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8,360 listings
  • $12,490
    great price
    $3,263 below market
    • 182,489 miles
    • No accidents, 3 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • VENE-AUTO (335 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Tampa, FL / 335 miles away from Pensacola, FL

    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

  • Price Drop
    $16,989
    great price
    $7,934 below market
    • 101,277 miles
    • No accidents, 4 owners, personal use
    • 5'9” bed, 5.3l, 8cyl
    • VIP Auto Enterprise (386 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Orlando, FL / 386 miles away from Pensacola, FL

    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

  • $24,995
    good price
    $4,391 below market
    • 80,944 miles
    • 1 accident, 3 owners, corporate fleet vehicle
    • 5'9” bed, 5.3l, 8cyl
    • First Automotive TN (374 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Murfreesboro, TN / 374 miles away from Pensacola, FL

    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

  • $15,988
    good price
    $2,655 below market
    • 150,813 miles
    • No accidents, 1 owner, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Toyota of Murfreesboro (377 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Murfreesboro, TN / 377 miles away from Pensacola, FL

    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: 06-08-2025

  • 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.
  • Stock photo**
    $23,847
    good price
    $2,592 below market
    • 119,000 miles
    • No accidents, 3 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • John Thornton Buick GMC (254 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Carrollton, GA / 254 miles away from Pensacola, FL

    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

  • Price Drop
    $22,997
    fair price
    $601 below market
    • 139,660 miles
    • No accidents, 2 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Mossy of Picayune GM Superstore (138 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Picayune, MS / 138 miles away from Pensacola, FL

    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

    • 181,719 miles
    • No accidents, 4 owners, personal use only
    • 5'9” bed, 6.2l, 8cyl
    • DeMontrond Mazda (471 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Webster, TX / 471 miles away from Pensacola, FL

    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: 3GTP1VEJ6FG391685
    Stock: TFG391685
    Certified Pre-Owned: No
    Listed since: 07-12-2025

  • $21,351
    fair price
    $8 below market
    • 119,803 miles
    • No accidents, 1 owner, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • AutoNation Ford St. Petersburg (336 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Saint Petersburg, FL / 336 miles away from Pensacola, FL

    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

  • 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
    $1,247 below market
    • 185,792 miles
    • 2 accidents, 4 owners, personal use
    • 5'9” bed, 5.3l, 8cyl
    • Ralph Sellers Chrysler Dodge Jeep Ram (215 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Gonzales, LA / 215 miles away from Pensacola, FL

    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

  • New Listing
    Stock photo**
    $23,411
    good price
    $1,400 below market
    • 94,614 miles
    • No accidents, 1 owner, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Serra Chevrolet Buick GMC (371 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Jackson, TN / 371 miles away from Pensacola, FL

    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

    • 141,384 miles
    • No accidents, 2 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • AutoNation Chrysler Dodge Jeep Ram Spring (484 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Spring, TX / 484 miles away from Pensacola, FL

    Texas Slt Crew Cab Value PackageWheels; 20" X 9" (50.8 Cm X 22.9 Cm) Polished AluminumSlt Preferred PackageAssist Steps; Chromed Tubular; 6" Rectan...

    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: 3GTP1VEC0FG341267
    Stock: FG341267
    Certified Pre-Owned: No
    Listed since: 07-02-2025

  • $24,995
    fair price
    $602 above market
    • 79,440 miles
    • No accidents, 3 owners, personal use only
    • 6'7” bed, 5.3l, 8cyl
    • Hoover Toyota (202 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Birmingham, AL / 202 miles away from Pensacola, FL

    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: 07-19-2025

  • 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.
  • New Listing
    • 136,885 miles
    • No accidents, 2 owners, personal use only
    • Real Steal Auto Sales (486 mi away)
    • 4WD
    • Heated Seats
    • Reverse Camera
    • Multi-Function Remot...
    • Sirius XM Bluetooth ...
    Close

    Located in Gastonia, NC / 486 miles away from Pensacola, FL

    Total Price is Listed at $26,995 for financing purposes! Excludes Tags, Taxes, and Title Fees! *$2500-5500+ Down Payment!* $150-175+ a week guaranteed...

    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: 3GTU2VEC0FG193654
    Stock: 193654
    Certified Pre-Owned: No
    Listed since: 06-19-2025

  • Stock photo**
    $18,876
    fair price
    $606 below market
    • 113,216 miles
    • 2 accidents, 2 owners, corporate fleet vehicle
    • 6'7” bed, 5.3l, 8cyl
    • Mazda of Columbia (441 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Columbia, SC / 441 miles away from Pensacola, FL

    South Carolinas best kept secret Mazda of Columbia presents you this newest addition to the pre-owned portfolio. This 2015 Iridium Metallic GMC Sierra...

    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:

    Listing Information:

    VIN: 1GTV2UEC0FZ228997
    Stock: PM5458B
    Certified Pre-Owned: No
    Listed since: 07-26-2025

  • New Listing
    $22,154
    fair price
    $70 below market
    • 153,634 miles
    • 5'9” bed, 5.3l, 8cyl
    • Subaru of Orange Park (334 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Jacksonville, FL / 334 miles away from Pensacola, FL

    Used 2015 GMC Sierra 1500 SLT For sale Near Me Jacksonville Florida. Stone Blue Metallic 4WD 6-Speed Automatic Electronic with Overdrive EcoTec3 5.3L ...

    AutoCheck Vehicle History Summary Unavailable.

    Features and Specs:

    18 Combined MPG (16 City/22 Highway)

    Listing Information:

    VIN: 3GTU2VEC2FG298177
    Stock: FG298177T
    Certified Pre-Owned: No
    Listed since: 07-31-2025

    • 85,404 miles
    • 1 accident, 1 owner, personal use only
    • 5'9” bed, 6.2l, 8cyl
    • Driveway (473 mi away)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Houston, TX / 473 miles away from Pensacola, FL

    Back-Up Camera,Bluetooth,Chrome Wheels,Heated Seats,Heated Steering Wheel,Leather Seats,Navigation System,Remote Start,Satellite Radio,Tow Hitch,WiFi ...

    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: 3GTP1VEJ9FG425277
    Stock: FG425277P
    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.
  • $22,390
    good price
    $2,040 below market
    • 158,359 miles
    • No accidents, 3 owners, personal use only
    • 6'7” bed, 6.2l, 8cyl
    • Car Field (381 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Orlando, FL / 381 miles away from Pensacola, FL

    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: 3GTU2WEJ6FG347255
    Stock: 2428
    Certified Pre-Owned: No

  • New Listing
    • 109,080 miles
    • No accidents, 4 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Carvana - Atlanta (285 mi away)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Atlanta, GA / 285 miles away from Pensacola, FL

    At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...

    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:

    19 Combined MPG (16 City/23 Highway)

    Listing Information:

    VIN: 3GTP1VEC6FG533910
    Stock: 2003737118
    Certified Pre-Owned: No
    Listed since: 05-28-2025

    • 81,201 miles
    • 1 accident, 1 owner, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Planet Ford (484 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Spring, TX / 484 miles away from Pensacola, FL

    Don't sacrifice on quality. Drive away in this 2015 Sierra 1500 today. Tow your boat, camper, motorcycle, just go have some fun! Gross Vehicle Weight...

    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: Yes

    Features and Specs:

    18 Combined MPG (16 City/22 Highway)

    Listing Information:

    VIN: 3GTU2VEC9FG475940
    Stock: PS0060A
    Certified Pre-Owned: No
    Listed since: 07-08-2025

    • 103,240 miles
    • No accidents, 2 owners, personal use only
    • 6'7” bed, 5.3l, 8cyl
    • Bozard Ford Lincoln (356 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Saint Augustine, FL / 356 miles away from Pensacola, FL

    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: 1GTV2UEC0FZ410649
    Stock: 244453B
    Certified Pre-Owned: No
    Listed since: 07-25-2025

    • 82,067 miles
    • No accidents, 2 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Carvana - Tampa (341 mi away)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Tire Pressure Warnin...
    • USB Inputs
    • Trip Computer
    Close

    Located in Tampa, FL / 341 miles away from Pensacola, FL

    At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...

    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:

    20 Combined MPG (18 City/24 Highway)

    Listing Information:

    VIN: 3GTP1UEC3FG296237
    Stock: 2003893247
    Certified Pre-Owned: No
    Listed since: 07-17-2025

Showing 1 - 21 out of 8,360 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 Pensacola, FL 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$15,243$19,433$22,190
Clean$14,653$18,638$21,236
Average$13,670$17,315$19,646
Rough$12,391$15,594$17,578

The average list price of a used 2015 GMC Sierra 1500 in Pensacola, Florida is $21,839. The average mileage on a used GMC Sierra 1500 2015 for sale in Pensacola, Florida is 123,811. Based on the average mileage of 123,811 for used 2015 GMC Sierra 1500 for sale in Pensacola, FL 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 Pensacola, Florida to be $13,670.

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