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7,794 listings
  • New Listing
    $23,835
    fair price
    $780 below market
    • 98,218 miles
    • No accidents, 4 owners, corporate fleet vehicle
    • 5'9” bed, 5.3l, 8cyl
    • Frankman Motor Company (439 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Sioux Falls, SD / 439 miles away from Green Bay, WI

    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: No

    Features and Specs:

    18 Combined MPG (16 City/22 Highway)

    Listing Information:

    VIN: 3GTU2VEC5FG456012
    Stock: 456012
    Certified Pre-Owned: No
    Listed since: 05-29-2025

  • $21,494
    fair price
    $239 below market
    • 97,590 miles
    • No accidents, 1 owner, personal use only
    • 6'7” bed, 5.3l, 8cyl
    • Mike Anderson Chrysler Dodge Jeep Ram (254 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Rochester, IN / 254 miles away from Green Bay, WI

    2015 GMC Sierra 1500 SLE Bronze Alloy Metallic SLE 4WD EcoTec3 5.3L V8 6-Speed Automatic Electronic with Overdrive Odometer is 14949 miles below marke...

    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: 1GTV2UEC7FZ375849
    Stock: P6462A
    Certified Pre-Owned: No
    Listed since: 05-14-2025

  • $26,995
    fair price
    $507 below market
    • 87,677 miles
    • No accidents, 1 owner, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Laura Buick GMC (416 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Collinsville, IL / 416 miles away from Green Bay, WI

    1-Owner New Vehicle Trade, Sold Here New! SLT 5.3 V8 Crew Cab 4x4. Z71, Navigation System, Power Sunroof, Towing Package, Heavy Duty Trailering Packag...

    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: 3GTU2VEC4FG290565
    Stock: L252980A
    Certified Pre-Owned: No
    Listed since: 04-11-2025

  • New Listing
    $20,500
    fair price
    $698 below market
    • 144,979 miles
    • No accidents, 2 owners, personal use
    • 5'9” bed, 5.3l, 8cyl
    • Tom Kelley Chevrolet of Decatur (297 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Decatur, IN / 297 miles away from Green Bay, WI

    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: 3GTU2VEC5FG276089
    Stock: 3B48372
    Certified Pre-Owned: No
    Listed since: 05-31-2025

  • Advertisement

    Special offers available

    2025 GMC Sierra 1500
    $65,400
    starting MSRP
    • 1 Trim
    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.
  • $21,995
    fair price
    $771 above market
    • 130,428 miles
    • 1 accident, 1 owner, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Laura Buick GMC (416 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Collinsville, IL / 416 miles away from Green Bay, WI

    1-Owner New Vehicle Trade! SLE 5.3 V8 Crew Cab 4x4. Z71, Towing Package, Heavy Duty Trailering Package, 3.42 Rear Axle Ratio With Locking Rear Differe...

    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: 3GTU2UEC3FG357733
    Stock: L252534A
    Certified Pre-Owned: No
    Listed since: 04-26-2025

  • Stock photo**
    $22,995
    fair price
    $124 below market
    • 130,162 miles
    • No accidents, 2 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Serra Buick GMC (274 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Washington, MI / 274 miles away from Green Bay, WI

    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: 3GTU2WEC0FG265524
    Stock: T601312B
    Certified Pre-Owned: No
    Listed since: 05-21-2025

  • $20,991
    fair price
    $513 below market
    • 136,120 miles
    • 1 accident, 2 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Zimmerman Honda (245 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Moline, IL / 245 miles away from Green Bay, WI

    *Check out this good looking 2015 GMC Sierra 1500 SLT!* Fully powered with heated leather seating, seat memory, integrated navigation, steering wheel ...

    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: 3GTU2VECXFG343639
    Stock: S1413B
    Certified Pre-Owned: No
    Listed since: 05-14-2025

  • $21,572
    fair price
    $403 below market
    • 120,416 miles
    • 1 accident, 3 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Jeff Wyler Superior Hyundai (409 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Cincinnati, OH / 409 miles away from Green Bay, WI

    Jeff Wyler Superior Hyundai is very proud to offer this outstanding 2015 GMC Sierra 1500 SLT in Sonoma Red Metallic. Well equipped with: Off-Road Susp...

    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: 3GTU2VEC5FG426444
    Stock: 6113844A
    Certified Pre-Owned: No
    Listed since: 05-02-2025

  • Advertisement

    Special offers available

    2025 GMC Sierra 1500
    $65,400
    starting MSRP
    • 1 Trim
    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
    $19,808
    fair price
    $58 below market
    • 92,058 miles
    • 1 accident, 2 owners, personal use only
    • 6'7” bed, 5.3l, 8cyl
    • DeHaven Chevrolet (274 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Fort Wayne, IN / 274 miles away from Green Bay, WI

    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: 1GTV2UEC9FZ292312
    Stock: S397B
    Certified Pre-Owned: No
    Listed since: 03-22-2025

  • $13,590
    good price
    $828 below market
    • 188,491 miles
    • 1 accident, 2 owners, personal use only
    • 6'7” bed, 5.3l, 8cyl
    • Jansen Chevrolet (420 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Germantown, IL / 420 miles away from Green Bay, WI

    2015 GMC Sierra 1500 SLEClean CARFAX.The Jansen Advantage: Complimentary Carfax on all vehicles, Complimentary Service Loaners, Complimentary Oil Chan...

    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: J3768A
    Certified Pre-Owned: No
    Listed since: 05-14-2025

  • New Listing
    $23,995
    fair price
    $353 above market
    • 97,322 miles
    • No accidents, 3 owners, personal use
    • 6'7” bed, 5.3l, 8cyl
    • Blossom Chevrolet (340 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Indianapolis, IN / 340 miles away from Green Bay, WI

    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: 1GTV2UEC4FZ234169
    Stock: 25P272A
    Certified Pre-Owned: No
    Listed since: 05-23-2025

  • Stock photo**
    $23,491
    fair price
    $47 below market
    • 138,626 miles
    • No accidents, 1 owner, personal use only
    • 5'9” bed, 6.2l, 8cyl
    • Integrity Motors Group (451 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Evansville, IN / 451 miles away from Green Bay, WI

    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: 3GTU2WEJ2FG322157
    Stock: 322157
    Certified Pre-Owned: No
    Listed since: 05-22-2025

  • Advertisement

    Special offers available

    2025 GMC Sierra 1500
    $65,400
    starting MSRP
    • 1 Trim
    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.
  • $25,715
    fair price
    $259 above market
    • 102,154 miles
    • No accidents, 1 owner, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Nyhus Family Sales (396 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Perham, MN / 396 miles away from Green Bay, WI

    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: 3GTU2WEC1FG226389
    Stock: 226389
    Certified Pre-Owned: No
    Listed since: 05-02-2025

  • New Listing
    Stock photo**
    $17,500
    fair price
    $714 above market
    • 128,248 miles
    • No accidents, 1 owner, personal use only
    • 6'7” bed, 5.3l, 8cyl
    • John Tapper Automotive (189 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Paw Paw, MI / 189 miles away from Green Bay, WI

    Vehicle DetailsDiscover the perfect blend of power, reliability, and style with this 2015 GMC Sierra 1500 SLE, an exceptional choice for those...

    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 (17 City/22 Highway)

    Listing Information:

    VIN: 1GTV2UEC6FZ161502
    Stock: 3607B
    Certified Pre-Owned: No
    Listed since: 05-31-2025

  • Price Drop
    $20,999
    fair price
    $509 above market
    • 100,055 miles
    • No accidents, 5 owners, personal use only
    • 6'7” bed, 5.3l, 8cyl
    • Walt Sweeney Ford (409 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Cincinnati, OH / 409 miles away from Green Bay, WI

    Reliable Used Truck: 2015 GMC Sierra 1500 SLE Z71 with Remote Start & Backup CameraLooking for a capable, reliable, and feature-packed used pickup t...

    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: 1GTV2UEC5FZ302320
    Stock: FZ302320
    Certified Pre-Owned: No
    Listed since: 05-13-2025

    • 94,141 miles
    • Rebuilt vehicle reported, 3 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Ben Davis Chevrolet (261 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Auburn, IN / 261 miles away from Green Bay, WI

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Issue reported

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 3GTU2UEC6FG297771
    Stock: P9382
    Certified Pre-Owned: No
    Listed since: 05-23-2025

  • Advertisement

    Special offers available

    2025 GMC Sierra 1500
    $65,400
    starting MSRP
    • 1 Trim
    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.
  • $17,995
    fair price
    $1,254 above market
    • 94,493 miles
    • 1 accident, 1 owner, personal use
    • 6'7” bed, 5.3l, 8cyl
    • North Oakland Motors (263 mi away)
    • AWD/4WD
    • Tire Pressure Warnin...
    • USB Inputs
    • Upgraded Engine
    • Trip Computer
    Close

    Located in Waterford, MI / 263 miles away from Green Bay, WI

    Call/Text North Oakland Motors 248-574-5500 Fast Easy Credit Approval For Everyone! Price includes nationwide ASC warranty, and 1 year buyback protect...

    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: 1GTV2TEC4FZ213512
    Stock: 213512
    Certified Pre-Owned: No

  • $17,300
    great price
    $3,465 below market
    • 102,723 miles
    • No accidents, 1 owner, personal use
    • 6'7” bed, 4.3l, 6cyl
    • Joe Lunghamer Chevrolet (264 mi away)
    • Five Star Dealer
    • Upgraded Headlights
    • Tire Pressure Warnin...
    • USB Inputs
    • Trip Computer
    • Rear Bench Seats
    Close

    Located in Waterford, MI / 264 miles away from Green Bay, WI

    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: 1GTR1LEH9GZ232929
    Stock: A519847
    Certified Pre-Owned: No
    Listed since: 04-17-2025

  • Price Drop
    • 29,560 miles
    • No accidents, 2 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Tri State Chrysler Dodge Jeep Ram (457 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Maryville, MO / 457 miles away from Green Bay, WI

    EquipmentBuilt with your needs in mind, our 2015 GMC Sierra 1500 SLE Crew Cab 4X4 is presented in beautiful Bronze Alloy Metallic. Powered by ...

    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 (17 City/22 Highway)

    Listing Information:

    VIN: 3GTU2UEC2FG289117
    Stock: 8737
    Certified Pre-Owned: No
    Listed since: 04-21-2025

  • $18,500
    fair price
    $714 above market
    • 125,869 miles
    • 1 accident, 3 owners, personal use only
    • 6'7” bed, 5.3l, 8cyl
    • Ed Napleton Honda St Peters (418 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Saint Peters, MO / 418 miles away from Green Bay, WI

    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: 1GTV2UEC7FZ241472
    Stock: H39829A
    Certified Pre-Owned: No
    Listed since: 05-20-2025

    • 162,811 miles
    • No accidents, 2 owners, personal use
    • 6'7” bed, 5.3l, 8cyl
    • Bergstrom Chevrolet Buick GMC of Oshkosh (47 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Oshkosh, WI / 47 miles away from Green Bay, WI

    2015 GMC Sierra 1500 SLE 4WD Iridium Metallic 6-Speed Automatic Electronic with Overdrive EcoTec3 5.3L V8 6-Speed Automatic Electronic with Overdrive,...

    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: 1GTV2UEC5FZ173737
    Stock: 258387A
    Certified Pre-Owned: No
    Listed since: 04-30-2025

Showing 22 - 42 out of 7,794 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 Green Bay, WI Values

Estimated values
2015 GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 6A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$17,483$20,919$23,192
Clean$16,806$20,064$22,195
Average$15,678$18,639$20,532
Rough$14,212$16,787$18,372

The average list price of a used 2015 GMC Sierra 1500 in Green Bay, Wisconsin is $21,417. The average mileage on a used GMC Sierra 1500 2015 for sale in Green Bay, Wisconsin is 114,388. Based on the average mileage of 114,388 for used 2015 GMC Sierra 1500 for sale in Green Bay, WI 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 Green Bay, Wisconsin to be $15,678.

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