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  • $12,490
    great price
    $3,120 below market
    • 182,489 miles
    • No accidents, 3 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • VENE-AUTO (371 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Tampa, FL / 371 miles away from Montgomery, AL

    Introducing the powerful and stylish 2015 GMC Sierra 1500 2WD Crew Cab 143.5 SLT Automatic. This truck boasts a sleek design and a comfortable interio...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    19 Combined MPG (16 City/23 Highway)

    Listing Information:

    VIN: 3GTP1VEC4FG499711
    Stock: 499711
    Certified Pre-Owned: No
    Listed since: 05-29-2025

  • $14,653
    great price
    $3,423 below market
    • 155,253 miles
    • 1 accident, 3 owners, personal use
    • 5'9” bed, 4.3l, 6cyl
    • Anchor Auto Outlet (483 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Cary, NC / 483 miles away from Montgomery, AL

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    20 Combined MPG (18 City/24 Highway)

    Listing Information:

    VIN: 3GTP1UEH5FG287356
    Stock: 54548T
    Certified Pre-Owned: No
    Listed since: 05-30-2025

  • $24,995
    great price
    $4,289 below market
    • 80,944 miles
    • 1 accident, 3 owners, corporate fleet vehicle
    • 5'9” bed, 5.3l, 8cyl
    • First Automotive TN (238 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Murfreesboro, TN / 238 miles away from Montgomery, AL

    Visit First Automotive TN online at firstautomotivetn.net to see more pictures of this vehicle or call us at 615-890-4007 today to schedule your test...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (16 City/22 Highway)

    Listing Information:

    VIN: 3GTU2VEC1FG392048
    Stock: 92048
    Certified Pre-Owned: No

  • Price Drop
    $16,989
    great price
    $8,010 below market
    • 101,277 miles
    • No accidents, 4 owners, personal use
    • 5'9” bed, 5.3l, 8cyl
    • VIP Auto Enterprise (391 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Orlando, FL / 391 miles away from Montgomery, AL

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    19 Combined MPG (16 City/23 Highway)

    Listing Information:

    VIN: 3GTP1VEC3FG379088
    Stock: 379088
    Certified Pre-Owned: No

  • Advertisement

    7 Offers Nearby

    2025 GMC Sierra 1500
    $65,400
    starting MSRP
    • 5 Colors
    • 1 Trim
    • 7 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • Price Drop
    $15,988
    good price
    $2,662 below market
    • 150,813 miles
    • No accidents, 1 owner, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Toyota of Murfreesboro (242 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Murfreesboro, TN / 242 miles away from Montgomery, AL

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 3GTP1UEC4FG536377
    Stock: W541615B
    Certified Pre-Owned: No
    Listed since: 06-09-2025

  • $22,291
    great price
    $5,244 below market
    • 111,478 miles
    • 1 accident, 4 owners, personal use
    • 5'9” bed, 6.2l, 8cyl
    • Rayyan Auto Mall (403 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Lexington, KY / 403 miles away from Montgomery, AL

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 3GTU2VEJ5FG415569
    Stock: 844751
    Certified Pre-Owned: No

  • New Listing
    $15,500
    fair price
    $1,095 below market
    • 196,849 miles
    • No accidents, 3 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Dan Cummins Chevrolet Buick of Paris (415 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Power Driver Seat
    Close

    Located in Paris, KY / 415 miles away from Montgomery, AL

    This 2015 GMC Sierra 1500 SLE 4x4 is being offered to you as an alternative to us taking to the auction. This Sierra 1500 is a sought after truck equi...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 3GTU2UEC3FG184926
    Stock: 123268C
    Certified Pre-Owned: No
    Listed since: 07-26-2025

  • Stock photo**
    $23,847
    good price
    $2,599 below market
    • 119,000 miles
    • No accidents, 3 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • John Thornton Buick GMC (105 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Carrollton, GA / 105 miles away from Montgomery, AL

    Recent Arrival! Thank you for considering this beautiful 2015 GMC Sierra 1500 SLT finished in stunning Iridium Metallic with Jet Black/Dark Ash Leathe...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (16 City/22 Highway)

    Listing Information:

    VIN: 3GTU2VEC1FG325515
    Stock: K4440A
    Certified Pre-Owned: No
    Listed since: 07-25-2025

  • Advertisement

    7 Offers Nearby

    2025 GMC Sierra 1500
    $65,400
    starting MSRP
    • 5 Colors
    • 1 Trim
    • 7 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • $17,573
    good price
    $2,008 below market
    • 144,632 miles
    • 1 accident, 2 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Anchor Auto Outlet (483 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Cary, NC / 483 miles away from Montgomery, AL

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 3GTU2UEC5FG480255
    Stock: 54482
    Certified Pre-Owned: No
    Listed since: 04-30-2025

  • Price Drop
    $13,990
    good price
    $1,870 below market
    • 188,628 miles
    • 1 accident, 2 owners, personal use only
    • 6'7” bed, 5.3l, 8cyl
    • Autocar Trader (396 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Mount Vernon, IN / 396 miles away from Montgomery, AL

    Please call us at 812-831-3535 today to schedule your test drive.Information deemed reliable but not guaranteed. Interested parties should confirm al...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GTV2UEC7FZ152758
    Stock: 15-152758
    Certified Pre-Owned: No

  • Price Drop
    $11,995
    fair price
    $60 below market
    • 145,693 miles
    • No accidents, 3 owners, corporate fleet vehicle
    • 8'2” bed, 5.3l, 8cyl
    • Pinkerton Chevrolet (486 mi away)
    • Tire Pressure Warnin...
    • USB Inputs
    • Upgraded Engine
    • Trip Computer
    • Stability Control
    Close

    Located in Salem, VA / 486 miles away from Montgomery, AL

    Extremely rare regular cab GMC Sierra 1500. Great work truck!

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: Yes

    Features and Specs:

    Listing Information:

    VIN: 1GTN1TEC0FZ900845
    Stock: P10333
    Certified Pre-Owned: No
    Listed since: 04-26-2025

  • $23,311
    fair price
    $288 below market
    • 139,660 miles
    • No accidents, 2 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Mossy of Picayune GM Superstore (244 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Picayune, MS / 244 miles away from Montgomery, AL

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (16 City/22 Highway)

    Listing Information:

    VIN: 3GTU2VEC0FG508050
    Stock: 508050TA
    Certified Pre-Owned: No
    Listed since: 06-11-2025

  • Advertisement

    7 Offers Nearby

    2025 GMC Sierra 1500
    $65,400
    starting MSRP
    • 5 Colors
    • 1 Trim
    • 7 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • $21,351
    fair price
    $29 below market
    • 119,803 miles
    • No accidents, 1 owner, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • AutoNation Ford St. Petersburg (379 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Saint Petersburg, FL / 379 miles away from Montgomery, AL

    Slt Crew Cab Value PackageWheels; 20" X 9" (50.8 Cm X 22.9 Cm) Polished AluminumAssist Steps; Chromed Tubular; 6" RectangularBose Sound With 6 Spea...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    19 Combined MPG (16 City/23 Highway)

    Listing Information:

    VIN: 3GTP1VEC7FG359121
    Stock: FG359121
    Certified Pre-Owned: No
    Listed since: 07-23-2025

  • $19,998
    fair price
    $376 below market
    • 117,587 miles
    • No accidents, 3 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Walt Sweeney Ford (474 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Cincinnati, OH / 474 miles away from Montgomery, AL

    Searching for a reliable, powerful, and feature-packed truck in Cincinnati? Look no further than this exceptional 2015 GMC Sierra SLE, available now a...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: Yes

    Features and Specs:

    Listing Information:

    VIN: 3GTP1UEC5FG256130
    Stock: FG256130
    Certified Pre-Owned: No
    Listed since: 07-23-2025

  • New Listing
    Stock photo**
    $23,411
    fair price
    $1,392 below market
    • 94,614 miles
    • No accidents, 1 owner, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Serra Chevrolet Buick GMC (275 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Jackson, TN / 275 miles away from Montgomery, AL

    Recent Arrival! 10-Way Power Driver's Seat Adjuster, 110-Volt AC Power Outlet, 150 Amp Alternator, 4.2" Diagonal Color Display Driver Info Center, Bod...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 3GTU2UEC5FG438281
    Stock: 5T37427A
    Certified Pre-Owned: No
    Listed since: 07-28-2025

  • Price Drop
    $28,260
    fair price
    $99 below market
    • 94,638 miles
    • No accidents, 2 owners, personal use only
    • 5'9” bed, 6.2l, 8cyl
    • McLarty Nissan of Little Rock (394 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Little Rock, AR / 394 miles away from Montgomery, AL

    Recent Arrival! Clean CARFAX. **CUSTOMER'S ARE #1 @ MCLARTY NISSAN OF LITTLE ROCK***ARKANSAS' #1 NISSAN DEALER** BEST PRICES, BEST INVENTORY, BEST OVE...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 3GTU2WEJXFG414892
    Stock: FG414892
    Certified Pre-Owned: No
    Listed since: 07-22-2025

  • Advertisement

    7 Offers Nearby

    2025 GMC Sierra 1500
    $65,400
    starting MSRP
    • 5 Colors
    • 1 Trim
    • 7 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • $19,000
    good price
    $1,195 below market
    • 185,792 miles
    • 2 accidents, 4 owners, personal use
    • 5'9” bed, 5.3l, 8cyl
    • Ralph Sellers Chrysler Dodge Jeep Ram (319 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Gonzales, LA / 319 miles away from Montgomery, AL

    Onyx Black exterior and Jet Black interior. Heated/Cooled Leather Seats, NAV, Back-Up Camera, 4x4, Bed Liner, Alloy Wheels, AUDIO SYSTEM, 8 DIAGONAL C...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (16 City/22 Highway)

    Listing Information:

    VIN: 3GTU2WEC1FG134022
    Stock: 25R0042A
    Certified Pre-Owned: No
    Listed since: 06-07-2025

  • $24,995
    fair price
    $601 above market
    • 79,440 miles
    • No accidents, 3 owners, personal use only
    • 6'7” bed, 5.3l, 8cyl
    • Hoover Toyota (78 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Birmingham, AL / 78 miles away from Montgomery, AL

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: Yes

    Features and Specs:

    18 Combined MPG (16 City/22 Highway)

    Listing Information:

    VIN: 1GTV2VEC3FZ242639
    Stock: TFZ242639
    Certified Pre-Owned: No
    Listed since: 07-20-2025

  • $19,992
    fair price
    $680 above market
    • 140,185 miles
    • No accidents, 4 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Curry Buick Chevrolet GMC (469 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Bloomington, IN / 469 miles away from Montgomery, AL

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 3GTU2UEC3FG243070
    Stock: 250628B
    Certified Pre-Owned: No
    Listed since: 07-11-2025

  • New Listing
    $23,490
    fair price
    $726 below market
    • 117,276 miles
    • No accidents, 3 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Jansen Ford of Breese (471 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Breese, IL / 471 miles away from Montgomery, AL

    2015 GMC Sierra 1500 SLTOdometer is 20434 miles below market average!The Jansen Advantage: Complimentary Carfax on all vehicles, Complimentary S...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (16 City/22 Highway)

    Listing Information:

    VIN: 3GTU2VEC2FG292931
    Stock: F25141B
    Certified Pre-Owned: No
    Listed since: 07-27-2025

  • New Listing
    Stock photo**
    $20,832
    fair price
    $237 below market
    • 116,704 miles
    • No accidents, 2 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Myrtle Beach Chrysler Jeep (429 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Myrtle Beach, SC / 429 miles away from Montgomery, AL

    2015 GMC Sierra 1500 SLT Clean CARFAX.Myrtle Beach Chrysler Jeep will take the time to get to know what you want and work with you to ensure that&rsqu...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    19 Combined MPG (16 City/23 Highway)

    Listing Information:

    VIN: 3GTP1VEC9FG408819
    Stock: P1841A
    Certified Pre-Owned: No
    Listed since: 07-24-2025

Showing 1 - 21 out of 10,222 listings

Consumer Reviews for the GMC Sierra 1500

Read recent reviews for the GMC Sierra 1500
Overall Consumer Rating
3.4 out of 5 stars72 Reviews
Write a vehicle reviewSee all 72 reviews
  • 5 star
    (33%)
  • 4 star
    (24%)
  • 3 star
    (11%)
  • 2 star
    (10%)
  • 1 star
    (22%)
5 out of 5 stars

2015 GMC Sierra 1500 Crew Cab SLT

papanav, 11/02/2014
2015 GMC Sierra 1500 SLT 4dr Crew Cab 5.8 ft. SB (5.3L 8cyl 6A)
Purchased a 2015 Sierra 1500 SLT (crew cab) and traded in my 2014 Sierra 1500 SLE (double cab). I usually keep a vehicle for 10 years or more however, the only reason I traded was because of the very good incentive on the 2015 and the excellent deal I had gotten on the 2014 and the reasonable trade in price on the 2014. I now have 13,000 miles on the 2015 and feel that it is also an … excellent truck with many more amenities. The safety features to include back-up camera, parking warning, lane changing, navigation and hands free make for a very safe truck. I have not been able to attain quite the mileage I got on my 2014 even though I have a tonneau cover and drive the truck in a similar manner. The best I have been able to attain is 21.6 on a long trip. The advantage of a large vehicle with plenty of interior comfort, good mileage numbers, tons of room for luggage and smooth ride made this vehicle my vehicle of choice over a sedan or suv. I will add on to the information above which has not changed. I took a long trip to Michigan and pretty much backed up what I ha determined in the first review that I sent to you. I did attain 22mpg on one leg of the trip and 21.5 on the second leg of the trip. Truck still very comfortable, spacious and has given me absolutely no problems. I have had the oil, filter and tires rotated on schedule and had one recall corrected on the airbag system. I have owned the truck now for 25 months and still feel that it is a nice looking well made vehicle. I took a recent trip and was able to get 23.0 mpg which is slightly higher than advertised. The sweet spot is right about 70mph when the 5.3L engine is in 4v and on flat terrain. In that configuration it gets excellent mileage. The other sweet spot is driving a steady 55mph when the truck is in 4v. Presently I have 22,500 miles on the odometer and I am very satisfied with the vehicle. This is my third review after owning the truck for two and a half years. I have over 27,000 miles on the truck so far with no problems. I did notice that my transmission temp was running much hotter than the allison transmission that I have in my diesel but in looking into it further I found that 190 degrees is not an unusual temperature for this engine and transmission combination. This is my fourth review of my Sierra 1500 Crew Cab with just over 37,000 miles. So far so good, the truck continues to run very well with no complaints.. I changed the oil and filter myself and was surprised to see that the 5.3 liter engine takes 8.5 quarts of 0w-20 oil. In looking at the new GMC Sierra's as well as Ford and Ram 1500 series trucks I am amazed at how many gadgets they have placed in these vehicles with a corresponding price increase. Almost all of these vehicles are now priced in the mid 60 thousand dollar price range and the manufacturers are offering 10 year financing. Unbelievable!!! I recently replaced all four tires at 46,000 miles. They were original equipment and wore well. They were Goodyear Wrangler 275/55R20's. There was still probably 10.000 miles of wear left but I am not sure they would have been good for winter 9 months from now. My first check engine light came on indicating an evaporations leak code po455. I replaced the gas cap which of course did not fix it so I will find out what the problem is when I get the truck inspected this month. The evap system leak was found and determined to be a crack in a hose that was replaced and check engine light disappeared. I have taken trips using the range plug in unit that keeps my engine running on 8 cylinders all the time and I still was getting 21.5 mpg. Still no problems to speak of and still a handsome truck. At 51,000 miles I had all the fluids changed to include transmission, coolant, differential and transaxles. I now have 63,000 on the truck. I did have to replace the battery about 6 months ago but other than that absolutely no problems.
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Used 2015 GMC Sierra 1500 in Montgomery, AL Values

Estimated values
2015 GMC Sierra 1500 SLT 4dr Crew Cab 5.8 ft. SB (5.3L 8cyl 6A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$14,695$17,491$19,340
Clean$14,126$16,776$18,508
Average$13,178$15,584$17,122
Rough$11,945$14,035$15,320

The average list price of a used 2015 GMC Sierra 1500 in Montgomery, Alabama is $19,760. The average mileage on a used GMC Sierra 1500 2015 for sale in Montgomery, Alabama is 132,512. Based on the average mileage of 132,512 for used 2015 GMC Sierra 1500 for sale in Montgomery, AL and using an average vehicle condition rating, which means the vehicle may have a few mechanical and/or cosmetic problems and may require a considerable amount of reconditioning, we appraise the average trade-in value of a used GMC Sierra 1500 2015 in Montgomery, Alabama to be $13,178.

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