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    • 79,775 miles
    • No accidents, 2 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Wells Auto Group (330 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Mckinney, TX / 330 miles away from Amarillo, TX

    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: 3GTU2VECXFG124549
    Stock: FG124549-AK
    Certified Pre-Owned: No
    Listed since: 03-14-2025

  • $9,995
    good price
    $1,167 below market
    • 198,669 miles
    • No accidents, 2 owners, personal use only
    • 6'7” bed, 5.3l, 8cyl
    • Briggs Supercenter Manhattan (396 mi away)
    • Back-up camera
    • Tire Pressure Warnin...
    • USB Inputs
    • Upgraded Engine
    • Trip Computer
    Close

    Located in Manhattan, KS / 396 miles away from Amarillo, TX

    This 2015 GMC Sierra 1500 , comes in Summit White exterior with Jet Black/Dark Ash interior. 198669 miles. Stock Number JMT29291C1 Important Package I...

    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: 1GTR1TEC6FZ216996
    Stock: JMT29291C1
    Certified Pre-Owned: No
    Listed since: 02-15-2025

  • Price Drop
    $19,297
    good price
    $1,844 below market
    • 157,821 miles
    • No accidents, 2 owners, personal use only
    • 6'7” bed, 6.2l, 8cyl
    • AutoNation Chevrolet North (361 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Denver, CO / 361 miles away from Amarillo, TX

    Engine; 6.2L Ecotec3 V8 With Active Fuel Management; Direct InjectionSlt Crew Cab Value PackageMax Trailering PackageWheels; 20" X 9" (50.8 Cm X 22...

    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: 3GTU2VEJ3FG415358
    Stock: FG415358
    Certified Pre-Owned: No
    Listed since: 04-05-2025

  • New Listing
    $16,950
    good price
    $2,111 below market
    • 168,000 miles
    • No accidents, 4 owners, personal use
    • 5'9” bed, 5.3l, 8cyl
    • Sterling Auto Sales (329 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Franktown, CO / 329 miles away from Amarillo, TX

    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: 3GTU2VEC9FG523050
    Stock: 523050
    Certified Pre-Owned: No
    Listed since: 04-25-2025

  • 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.
  • New Listing
    $23,900
    fair price
    $906 below market
    • 111,527 miles
    • 1 accident, 2 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Briggs Supercenter Manhattan (396 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Manhattan, KS / 396 miles away from Amarillo, TX

    This 2015 GMC Sierra 1500 SLT, comes in Light Steel Gray Metallic exterior with Cocoa/Dune interior. 111527 miles. Stock Number AJMT59315C2 Important ...

    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: 3GTU2VECXFG311483
    Stock: AJMT59315C
    Certified Pre-Owned: No
    Listed since: 03-21-2025

  • $28,198
    fair price
    $107 above market
    • 76,823 miles
    • No accidents, 2 owners, personal use only
    • 6'7” bed, 5.3l, 8cyl
    • Seth Wadley Chevrolet GMC of Perry (266 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Perry, OK / 266 miles away from Amarillo, TX

    2015 Summit White GMC Sierra 1500 SLT 4WD EcoTec3 5.3L V8 This GMC Sierra 1500 has many features and is well equipped including, 10-Way Power Driver'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: 3GTU2VEC5FG134972
    Stock: KC0018
    Certified Pre-Owned: No
    Listed since: 03-17-2025

    • 145,649 miles
    • No accidents, 1 owner, personal use only
    • 6'7” bed, 5.3l, 8cyl
    • Dow Autoplex (407 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Mineola, TX / 407 miles away from Amarillo, TX

    Take command of the road in the 2015 GMC Sierra 1500! Comprehensive style mixed with all around versatility makes it an outstanding choice! Top featur...

    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: 1GTR1UEC4FZ283067
    Stock: FZ283067
    Certified Pre-Owned: No
    Listed since: 04-14-2025

  • New Listing
    $23,888
    fair price
    $769 below market
    • 120,000 miles
    • No accidents, 2 owners, personal use
    • 5'9” bed, 5.3l, 8cyl
    • Patriot Chrysler Dodge Jeep Ram of Tulsa (342 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Tulsa, OK / 342 miles away from Amarillo, TX

    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: 3GTU2WEC8FG498423
    Stock: PT3024AA
    Certified Pre-Owned: No
    Listed since: 04-22-2025

  • 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.
  • Price Drop
    $28,240
    fair price
    $1,321 below market
    • 68,594 miles
    • No accidents, 2 owners, personal use only
    • 5'9” bed, 6.2l, 8cyl
    • Modern Classic Motors (455 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Grand Junction, CO / 455 miles away from Amarillo, TX

    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: 3GTU2VEJ9FG393298
    Stock: 29747
    Certified Pre-Owned: No
    Listed since: 04-02-2025

  • $19,950
    fair price
    $1,731 below market
    • 96,453 miles
    • 2 accidents, 2 owners, corporate fleet vehicle
    • 6'7” bed, 4.3l, 6cyl
    • Chase Auto Credit (243 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Oklahoma City, OK / 243 miles away from Amarillo, TX

    WE TAKE OFFERS PLEASE CONTACT US WITH ANY OFFERS YOU MAY HAVE >>>>>>>>>>>>>>>>>> 405-601-8020 FINANCING AVAILABLE VISIT OUR WEBSITE TO FILL...

    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:

    20 Combined MPG (18 City/24 Highway)

    Listing Information:

    VIN: 1GTR1UEHXFZ401909
    Stock: 1938
    Certified Pre-Owned: No

  • $24,200
    fair price
    $1,041 below market
    • 113,059 miles
    • 2 accidents, 3 owners, personal use
    • 5'9” bed, 5.3l, 8cyl
    • AutoNation USA Denver 104 (365 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Northglenn, CO / 365 miles away from Amarillo, TX

    All Terrain Slt Crew Cab "Plus" PackageAll-Terrain PackageSunroof; PowerWhite Diamond TricoatAssist Steps; Chromed Tubular; 6" RectangularWheels;...

    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: 3GTU2VEC3FG261655
    Stock: FG261655
    Certified Pre-Owned: No
    Listed since: 04-09-2025

  • New Listing
    • 65,613 miles
    • No accidents, 5 owners, corporate fleet vehicle
    • 5'9” bed, 5.3l, 8cyl
    • Carvana - San Antonio (447 mi away)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Power Driver Seat
    Close

    Located in San Antonio, TX / 447 miles away from Amarillo, TX

    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: 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:

    19 Combined MPG (16 City/23 Highway)

    Listing Information:

    VIN: 3GTP1VECXFG402589
    Stock: 2003658367
    Certified Pre-Owned: No
    Listed since: 04-24-2025

  • 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.
  • $16,997
    fair price
    $303 above market
    • 113,080 miles
    • No accidents, 4 owners, personal use only
    • 8'2” bed, 5.3l, 8cyl
    • Mark Allen Pre-Owned (332 mi away)
    • AWD/4WD
    • Back-up camera
    • Tire Pressure Warnin...
    • USB Inputs
    • Upgraded Engine
    Close

    Located in Tulsa, OK / 332 miles away from Amarillo, TX

    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: 1GTN2TEC3FZ283339
    Stock: U283339
    Certified Pre-Owned: No
    Listed since: 04-07-2025

  • $29,500
    fair price
    $355 above market
    • 79,756 miles
    • No accidents, 4 owners, corporate fleet vehicle
    • 6'7” bed, 6.2l, 8cyl
    • Dillon's Auto (483 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Lincoln, NE / 483 miles away from Amarillo, TX

    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:

    Listing Information:

    VIN: 3GTU2VEJ6FG413068
    Stock: 413068
    Certified Pre-Owned: No
    Listed since: 09-26-2024

  • $19,500
    fair price
    $427 above market
    • 168,331 miles
    • 1 accident, 1 owner, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Dave Cross Motors (486 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Lees Summit, MO / 486 miles away from Amarillo, TX

    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: 3GTU2VEC6FG347946
    Stock: CG24315A
    Certified Pre-Owned: No
    Listed since: 03-28-2025

  • New Listing
    Stock photo**
    $20,998
    fair price
    $372 above market
    • 144,991 miles
    • No accidents, 3 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Conklin Newton Chevrolet (320 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Newton, KS / 320 miles away from Amarillo, TX

    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: 3GTU2VEC0FG273889
    Stock: SU9718A
    Certified Pre-Owned: No
    Listed since: 04-21-2025

  • 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.
    • 85,376 miles
    • 1 accident, 1 owner, personal use only
    • 5'9” bed, 6.2l, 8cyl
    • Driveway (333 mi away)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Dallas, TX / 333 miles away from Amarillo, TX

    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

  • New Listing
    $24,587
    fair price
    $470 above market
    • 79,004 miles
    • 2 accidents, 3 owners, corporate fleet vehicle
    • 5'9” bed, 4.3l, 6cyl
    • Briggs Supercenter Manhattan (396 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Manhattan, KS / 396 miles away from Amarillo, TX

    This 2015 GMC Sierra 1500 SLE, comes in Summit White exterior with Jet Black interior. 79004 miles. Stock Number ARCT40065 Important Package Informat...

    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:

    19 Combined MPG (17 City/22 Highway)

    Listing Information:

    VIN: 3GTU2UEH3FG440901
    Stock: ARCT40065
    Certified Pre-Owned: No
    Listed since: 04-24-2025

  • New Listing
    • 66,881 miles
    • No accidents, 3 owners, personal use only
    • 8'2” bed, 5.3l, 8cyl
    • CarMax Albuquerque (265 mi away)
    • Tire Pressure Warnin...
    • USB Inputs
    • Upgraded Engine
    • Trip Computer
    • Stability Control
    Close

    Located in Albuquerque, NM / 265 miles away from Amarillo, TX

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    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: 1GTN1TEC1FZ900059
    Stock: 26740153
    Certified Pre-Owned: No

  • Price Drop
    $24,300
    great price
    $3,732 below market
    • 114,672 miles
    • No accidents, 2 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Sterling Auto Sales (329 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Franktown, CO / 329 miles away from Amarillo, TX

    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: 3GTU2NEC0GG214357
    Stock: GG214357STK
    Certified Pre-Owned: No
    Listed since: 03-21-2025

  • New Listing
    • 74,598 miles
    • No accidents, 2 owners, personal use
    • 5'9” bed, 5.3l, 8cyl
    • Carvana - Oklahoma City (247 mi away)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Oklahoma City, OK / 247 miles away from Amarillo, TX

    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:

    19 Combined MPG (16 City/23 Highway)

    Listing Information:

    VIN: 3GTP1VEC9FG521668
    Stock: 2003628686
    Certified Pre-Owned: No
    Listed since: 04-11-2025

Showing 1 - 21 out of 4,381 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 Amarillo, TX 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$18,313$21,727$23,986
Clean$17,604$20,839$22,955
Average$16,422$19,359$21,236
Rough$14,886$17,435$19,001

The average list price of a used 2015 GMC Sierra 1500 in Amarillo, Texas is $22,777. The average mileage on a used GMC Sierra 1500 2015 for sale in Amarillo, Texas is 110,889. Based on the average mileage of 110,889 for used 2015 GMC Sierra 1500 for sale in Amarillo, TX 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 Amarillo, Texas to be $16,422.

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