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3,084 listings
  • $12,500
    great price
    $3,471 below market
    • 182,489 miles
    • No accidents, 3 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • VENE-AUTO (134 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Tampa, FL / 134 miles away from Naples, 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
    $20,266
    great price
    $3,288 below market
    • 152,713 miles
    • 1 accident, 2 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Subaru of Orange Park (280 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Jacksonville, FL / 280 miles away from Naples, 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

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

  • $20,992
    good price
    $2,208 below market
    • 119,803 miles
    • No accidents, 1 owner, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • AutoNation Ford St. Petersburg (125 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Saint Petersburg, FL / 125 miles away from Naples, 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

  • Price Drop
    $15,799
    fair price
    $539 below market
    • 129,801 miles
    • No accidents, 3 owners, personal use only
    • 6'7” bed, 4.3l, 6cyl
    • Florida Fine Cars Margate (97 mi away)
    • AWD/4WD
    • Tire Pressure Warnin...
    • USB Inputs
    • Trip Computer
    • Rear Bench Seats
    Close

    Located in Margate, FL / 97 miles away from Naples, 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 (17 City/22 Highway)

    Listing Information:

    VIN: 1GTV2TEH2FZ417155
    Stock: 149990
    Certified Pre-Owned: No
    Listed since: 03-29-2025

  • Advertisement

    7 Offers Nearby

    2025 GMC Sierra 1500
    $65,400
    starting MSRP
    • 5 Colors
    • 1 Trim
    • 8 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.
  • $14,499
    good price
    $2,947 below market
    • 121,216 miles
    • 1 accident, 2 owners, personal use only
    • 6'7” bed, 5.3l, 8cyl
    • Hollywood Top Cars (98 mi away)
    • Tire Pressure Warnin...
    • USB Inputs
    • Upgraded Engine
    • Trip Computer
    • Rear Bench Seats
    Close

    Located in Hollywood, FL / 98 miles away from Naples, FL

    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: 1GTR1TEC1FZ350041
    Stock: 350041
    Certified Pre-Owned: No

  • Price Drop
    • 118,585 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 5'9” bed, 5.3l, 8cyl
    • Lakeland DriveTime (130 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Lakeland, FL / 130 miles away from Naples, FL

    Shop at DriveTime: Get started on your personalized car-buying journey today. With no credit impact, you can get approved for your real, personalized ...

    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: 3GTP1VEC9FG513781
    Stock: 1060214312
    Certified Pre-Owned: No
    Listed since: 08-12-2025

  • $22,390
    fair price
    $1,318 below market
    • 158,359 miles
    • No accidents, 3 owners, personal use only
    • 6'7” bed, 6.2l, 8cyl
    • Car Field (163 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Orlando, FL / 163 miles away from Naples, 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

    • 72,779 miles
    • No accidents, 1 owner, personal use only
    • 6'7” bed, 5.3l, 8cyl
    • George Moore Chevrolet (286 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Jacksonville, FL / 286 miles away from Naples, FL

    6-Speed Automatic Electronic with Overdrive, Cocoa/Dune Leather, 10-Way Power Driver's Seat Adjuster, 110-Volt AC Power Outlet, 150 Amp Alternator, 4-...

    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: 1GTR1VECXFZ369750
    Stock: 158314A
    Certified Pre-Owned: No
    Listed since: 08-19-2025

  • Advertisement

    7 Offers Nearby

    2025 GMC Sierra 1500
    $65,400
    starting MSRP
    • 5 Colors
    • 1 Trim
    • 8 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**
    • 76,620 miles
    • No accidents, 2 owners, personal use
    • 5'9” bed, 6.2l, 8cyl
    • Lee Auto Group Tampa (126 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Tampa, FL / 126 miles away from Naples, 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: 3GTU2WEJ9FG396658
    Stock: T3279
    Certified Pre-Owned: No
    Listed since: 08-27-2025

  • $20,995
    fair price
    $525 below market
    • 156,608 miles
    • No accidents, 3 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Auto Exchange of Central Florida (148 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Kissimmee, FL / 148 miles away from Naples, 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: 3GTU2VEC9FG272627
    Stock: 272627
    Certified Pre-Owned: No

  • $27,990
    fair price
    $551 below market
    • 109,672 miles
    • No accidents, 3 owners, personal use only
    • 5'9” bed, 6.2l, 8cyl
    • Diamond Cut Autos (30 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Fort Myers, FL / 30 miles away from Naples, 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: 3GTU2VEJ3FG405526
    Stock: 1085
    Certified Pre-Owned: No

  • $21,500
    good price
    $1,527 below market
    • 138,618 miles
    • 2 accidents, 3 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • 5th Gear Auto Group (130 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Auburndale, FL / 130 miles away from Naples, FL

    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: 3GTU2VECXFG426472
    Stock: 426472
    Certified Pre-Owned: No

  • Advertisement

    7 Offers Nearby

    2025 GMC Sierra 1500
    $65,400
    starting MSRP
    • 5 Colors
    • 1 Trim
    • 8 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.
  • $24,995
    fair price
    $905 below market
    • 114,707 miles
    • 1 accident, 2 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • JC Auto Market (171 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Winter Park, FL / 171 miles away from Naples, FL

    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: 3GTU2VEC6FG530005
    Stock: 530005
    Certified Pre-Owned: No

  • New Listing
    $19,995
    fair price
    $278 above market
    • 172,531 miles
    • 1 accident, 4 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Pensacola Auto Brokers (447 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Pensacola, FL / 447 miles away from Naples, FL

    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: 3GTU2VEC9FG438290
    Stock: 16490
    Certified Pre-Owned: No

  • New Listing
    $24,995
    fair price
    $1,064 above market
    • 128,845 miles
    • 2 accidents, 2 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Pensacola Auto Brokers (447 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Pensacola, FL / 447 miles away from Naples, FL

    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:

    19 Combined MPG (16 City/23 Highway)

    Listing Information:

    VIN: 3GTP1WEC9FG466256
    Stock: 16535
    Certified Pre-Owned: No

    • 153,288 miles
    • No accidents, 1 owner, personal use only
    • Car Field (163 mi away)
    Close

    Located in Orlando, FL / 163 miles away from Naples, 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: 3GTU2WEC4FG124553
    Stock: 2442
    Certified Pre-Owned: No

  • Advertisement

    7 Offers Nearby

    2025 GMC Sierra 1500
    $65,400
    starting MSRP
    • 5 Colors
    • 1 Trim
    • 8 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.
  • $13,990
    great price
    $3,784 below market
    • 149,861 miles
    • No accidents, 2 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Car Field (163 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Orlando, FL / 163 miles away from Naples, 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: 3GTU2UEC8EG158790
    Stock: 2394
    Certified Pre-Owned: No

  • Stock photo**
    $16,900
    good price
    $2,727 below market
    • 144,719 miles
    • 2 accidents, 2 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Starling Chevrolet GMC (146 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Saint Cloud, FL / 146 miles away from Naples, FL

    2014 GMC Sierra 1500 SLT 110-Volt AC Power Outlet, 150 Amp Alternator, 4.2" Diagonal Color Display Driver Info Center, 6" Rectangular Chromed Tubular ...

    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:

    19 Combined MPG (16 City/23 Highway)

    Listing Information:

    VIN: 3GTP1VEC6EG213985
    Stock: 213985T
    Certified Pre-Owned: No
    Listed since: 07-22-2025

  • $18,990
    good price
    $2,895 below market
    • 48,520 miles
    • No accidents, 2 owners, personal use only
    • 6'7” bed, 4.3l, 6cyl
    • Auto Show (97 mi away)
    • Back-up camera
    • Bluetooth
    • Tire Pressure Warnin...
    • USB Inputs
    • Trip Computer
    Close

    Located in Fort Lauderdale, FL / 97 miles away from Naples, FL

    Recent Arrival! 2014 GMC Sierra 1500 SLE Quicksilver MetallicOdometer is 84626 miles below market average!*CLEAN TITLE*, *CLEAN CARFAX*, *BACK UP CA...

    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: 1GTR1UEHXEZ283262
    Stock: 13001B1
    Certified Pre-Owned: No
    Listed since: 08-21-2025

  • New Listing
    • 154,633 miles
    • No accidents, 3 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Pensacola Auto Brokers (447 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Pensacola, FL / 447 miles away from Naples, 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: 3GTU2VEC8FG152608
    Stock: 16550
    Certified Pre-Owned: No

    • 111,599 miles
    • No accidents, 4 owners, personal use only
    • 5'9” bed, 5.3l, 8cyl
    • Diamond Cut Autos (30 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Fort Myers, FL / 30 miles away from Naples, 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: 3GTP1VEC8FG518034
    Stock: 1084
    Certified Pre-Owned: No

Showing 1 - 21 out of 3,084 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 Naples, 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$15,382$18,442$20,465
Clean$14,786$17,688$19,585
Average$13,794$16,432$18,118
Rough$12,504$14,799$16,211

The average list price of a used 2015 GMC Sierra 1500 in Naples, Florida is $20,974. The average mileage on a used GMC Sierra 1500 2015 for sale in Naples, Florida is 129,332. Based on the average mileage of 129,332 for used 2015 GMC Sierra 1500 for sale in Naples, 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 Naples, Florida to be $13,794.

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