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3,206 listings
  • $19,120
    great price
    $4,390 below market
    65,655 miles
    No accidents, 2 Owners, Personal use
    6'7” Bed, 4.3L, 6cyl
    Ford of Port Jeff (237 mi away)
    • AWD/4WD
    • Tire Pressure Warnin...
    • USB Inputs
    • Trip Computer
    • Rear Bench Seats
    Close

    Located in Port Jefferson Station, NY / 237 miles away from South Portland, ME

    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: 1GTV2TEH9FZ359383
    Stock: JU1786M
    Certified Pre-Owned: No
    Listed since: 03-25-2024

  • New Listing
    $23,995
    great price
    $3,811 below market
    106,158 miles
    No accidents, 2 Owners, Personal use only
    6'7” Bed, 5.3L, 8cyl
    Kia Of Riverdale (277 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Riverdale, NJ / 277 miles away from South Portland, ME

    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: 3GTU2VECXFG220729
    Stock: 220729T01
    Certified Pre-Owned: No
    Listed since: 04-12-2024

  • $24,998
    great price
    $3,923 below market
    46,735 miles
    No accidents, 2 Owners, Corporate fleet vehicle
    6'7” Bed, 5.3L, 8cyl
    112 Mitsubishi (242 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Medford, NY / 242 miles away from South Portland, ME

    Clean CARFAX. Odometer is 54372 miles below market average! 6-Speed Automatic Electronic with Overdrive, 4WD, Black Cloth. 2015 GMC Sierra 1500 SLE 4W...

    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: 1GTV2UEC5FZ236075
    Stock: CE605A
    Certified Pre-Owned: No
    Listed since: 09-04-2023

  • $25,995
    great price
    $4,267 below market
    75,090 miles
    No accidents, 2 Owners, Personal use only
    6'7” Bed, 5.3L, 8cyl
    Summit View Auto (377 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Spencerport, NY / 377 miles away from South Portland, ME

    2015 GMC Sierra 1500 SLT, 4WD. Odometer Is Below Market Average. Exterior Color in Stone Blue Metallic with Jet Black Leather. Clean CARFAX. Options 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:

    18 Combined MPG (16 City/22 Highway)

    Listing Information:

    VIN: 3GTU2VEC9FG470480
    Stock: ROC470480
    Certified Pre-Owned: No
    Listed since: 11-03-2023

  • Advertisement
    Also Consider

    13 Offers Nearby

    2024 GMC Sierra 1500 Denali
    $69,900
    starting MSRP
    • 6 Colors
    • 1 Trim
    • 6 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 © eVox Productions**
    $27,000
    great price
    $3,011 below market
    51,098 miles
    No accidents, 1 Owner, Personal use
    6'7” Bed, 5.3L, 8cyl
    Romeo Chevrolet Buick GMC (221 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Lake Katrine, NY / 221 miles away from South Portland, ME

    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: 1GTV2VEC4FZ385132
    Stock: 24553B
    Certified Pre-Owned: No
    Listed since: 04-09-2024

  • $16,749
    great price
    $2,494 below market
    162,932 miles
    1 Accident, 2 Owners, Personal use
    6'7” Bed, 5.3L, 8cyl
    Performance Toyota (375 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Sinking Spring, PA / 375 miles away from South Portland, ME

    <b>Equipment</b> The leather seats in this unit are a must for buyers looking for comfort, durability, and style. An off-road package is installed on ...

    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: 3GTU2VECXFG446155
    Stock: 245017B
    Certified Pre-Owned: No
    Listed since: 03-20-2024

  • $22,500
    good price
    $2,241 below market
    65,812 miles
    No accidents, 3 Owners, Personal use
    6'7” Bed, 5.3L, 8cyl
    Lee GMC Truck Center (33 mi away)
    • AWD/4WD
    • Tire Pressure Warnin...
    • USB Inputs
    • Upgraded Engine
    • Trip Computer
    Close

    Located in Auburn, ME / 33 miles away from South Portland, ME

    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: 1GTV2TEC4FZ365290
    Stock: GT365290
    Certified Pre-Owned: No
    Listed since: 04-15-2024

  • $24,884
    good price
    $2,764 below market
    110,772 miles
    No accidents, 2 Owners, Personal use only
    5'9” Bed, 5.3L, 8cyl
    Sloane Toyota of Malvern (370 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Malvern, PA / 370 miles away from South Portland, ME

    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: 3GTU2WEC5FG228615
    Stock: 6403091
    Certified Pre-Owned: No
    Listed since: 03-15-2024

  • Advertisement
    Also Consider

    13 Offers Nearby

    2024 GMC Sierra 1500 Denali
    $69,900
    starting MSRP
    • 6 Colors
    • 1 Trim
    • 6 Packages
    View Offers
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • Price Drop
    $18,958
    good price
    $1,327 below market
    140,134 miles
    No accidents, 2 Owners, Corporate fleet vehicle
    6'7” Bed, 5.3L, 8cyl
    AutoNation Toyota Leesburg (491 mi away)
    Five Star Dealer
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Leesburg, VA / 491 miles away from South Portland, ME

    All-Terrain Package Slt Preferred Package Lpo; Assist Steps; Chromed Tubular; 6" Rectangular Wheels; 20" X 9" (50.8 Cm X 22.9 Cm) Ultra Bright Machine...

    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: 1GTV2VEC0FZ234630
    Stock: FZ234630
    Certified Pre-Owned: No
    Listed since: 03-14-2024

  • $22,388
    good price
    $1,806 below market
    84,251 miles
    No accidents, 2 Owners, Personal use only
    6'7” Bed, 5.3L, 8cyl
    Upstate Dodge Chrysler Jeep Ram (407 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Attica, NY / 407 miles away from South Portland, ME

    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: 1GTV2UEC8FZ380753
    Stock: T23088A
    Certified Pre-Owned: No
    Listed since: 04-04-2024

  • $19,800
    fair price
    $731 below market
    61,243 miles
    No accidents, 1 Owner, Personal use
    6'7” Bed, 4.3L, 6cyl
    Sabattus Auto & Truck Sales (32 mi away)
    • Tire Pressure Warnin...
    • USB Inputs
    • Trip Computer
    • Rear Bench Seats
    • Stability Control
    Close

    Located in Sabattus, ME / 32 miles away from South Portland, ME

    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: 1GTR1TEH0FZ169184
    Stock: 3572P
    Certified Pre-Owned: No
    Listed since: 11-27-2023

  • $22,790
    good price
    $1,590 below market
    99,754 miles
    No accidents, 4 Owners, Personal use only
    5'9” Bed, 5.3L, 8cyl
    Fafama Auto Sales (123 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Milford, MA / 123 miles away from South Portland, ME

    WARRANTY A Limited Warranty is included with this vehicle. Contact seller for more information. KEY FEATURES AND OPTIONS Comes equipped with: Air Cond...

    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: 3GTU2UEC3FG119526
    Stock: 23004
    Certified Pre-Owned: No
    Listed since: 04-09-2024

  • Price Drop
    $22,990
    fair price
    $316 below market
    81,844 miles
    No accidents, 3 Owners, Personal use
    6'7” Bed, 5.3L, 8cyl
    Granite Subaru (86 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Hudson, NH / 86 miles away from South Portland, ME

    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: 1GTV2UECXFZ301020
    Stock: P1021
    Certified Pre-Owned: No
    Listed since: 03-26-2024

  • $16,990
    good price
    $1,902 below market
    141,741 miles
    1 Accident, 2 Owners, Corporate fleet vehicle
    6'7” Bed, 5.3L, 8cyl
    Auto Valley Group (311 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Tire Pressure Warnin...
    • USB Inputs
    Close

    Located in E Stoudsburg, PA / 311 miles away from South Portland, ME

    Carfax Available on our website! Call us 570-664-2999 OVER 100 CARS IN STOCK. We work with all credit scores! Extended Warranty available on most vehi...

    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: 1GTV2UEC8FZ351639
    Stock: 351639
    Certified Pre-Owned: No

  • $23,995
    fair price
    $779 below market
    79,927 miles
    No accidents, 3 Owners, Personal use
    6'7” Bed, 5.3L, 8cyl
    Toyota of Colchester (178 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Colchester, CT / 178 miles away from South Portland, ME

    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: 1GTV2UEC6FZ348724
    Stock: 20083
    Certified Pre-Owned: No
    Listed since: 01-10-2024

  • $22,995
    fair price
    $12 below market
    107,353 miles
    No accidents, 2 Owners, Personal use
    5'9” Bed, 5.3L, 8cyl
    Macdonald Motors Chrysler Dodge Jeep Ram (33 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Bridgton, ME / 33 miles away from South Portland, ME

    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: 3GTU2UEC0FG112002
    Stock: R7211B
    Certified Pre-Owned: No
    Listed since: 03-28-2024

  • Stock photo © eVox Productions**
    $28,999
    good price
    $2,555 below market
    43,758 miles
    1 Accident, 2 Owners, Personal use only
    6'7” Bed, 6.2L, 8cyl
    Romeo Chevrolet Buick GMC (221 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Lake Katrine, NY / 221 miles away from South Portland, ME

    KBB.com Brand Image Awards. Only 43,736 Miles! Scores 21 Highway MPG and 15 City MPG! This GMC Sierra 1500 boasts a Gas V8 6.2L/376 engine powering th...

    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: 1GTV2VEJ1FZ417470
    Stock: R4102A
    Certified Pre-Owned: No
    Listed since: 04-01-2024

  • $23,962
    good price
    $1,636 below market
    59,409 miles
    1 Accident, 2 Owners, Personal use only
    6'7” Bed, 4.3L, 6cyl
    Tradition Chevrolet GMC (347 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Newark, NY / 347 miles away from South Portland, ME

    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 (17 City/22 Highway)

    Listing Information:

    VIN: 1GTV2UEH0FZ261493
    Stock: N24191C
    Certified Pre-Owned: No
    Listed since: 04-10-2024

  • $25,530
    fair price
    $332 below market
    76,384 miles
    1 Accident, 2 Owners, Personal use
    6'7” Bed, 5.3L, 8cyl
    Lexus of Watertown (100 mi away)
    Five Star Dealer
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Watertown, MA / 100 miles away from South Portland, ME

    Heated Leather Seats, Tow Hitch, Onboard Communications System, CD Player, Back-Up Camera, 4x4, Alloy Wheels, SEATS, FRONT FULL-FEATURE LEATHER-APPOIN...

    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: 1GTV2VEC9FZ204543
    Stock: 1500829C
    Certified Pre-Owned: No
    Listed since: 04-02-2024

  • New Listing
    $22,814
    fair price
    $753 below market
    114,463 miles
    No accidents, 1 Owner, Personal use
    5'9” Bed, 5.3L, 8cyl
    Bob Johnson 390 Chevrolet (379 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Tire Pressure Warnin...
    • USB Inputs
    Close

    Located in Avon, NY / 379 miles away from South Portland, ME

    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: 3GTU2UEC2FG413631
    Stock: BLTTA241254A
    Certified Pre-Owned: No
    Listed since: 04-13-2024

  • $26,500
    fair price
    $1,222 below market
    49,543 miles
    No accidents, 2 Owners, Personal use
    6'7” Bed, 5.3L, 8cyl
    Auto Showcase Of Bel Air (428 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Power Driver Seat
    Close

    Located in Fallston, MD / 428 miles away from South Portland, ME

    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: 1GTV2UEC1FZ396017
    Stock: 20608
    Certified Pre-Owned: No
    Listed since: 04-11-2024

Showing 1 - 21 out of 3,206 listings

Consumer Reviews for the GMC Sierra 1500

Read recent reviews for the GMC Sierra 1500
Overall Consumer Rating
3.4 out of 5 stars68 Reviews
Write a vehicle reviewSee all 68 reviews
  • 5 star
    (34%)
  • 4 star
    (22%)
  • 3 star
    (12%)
  • 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 South Portland, ME Values

Estimated values
2015 GMC Sierra 1500 4dr Double Cab 4WD SB (4.3L 6cyl 6A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$14,327$18,850$22,039
Clean$13,828$18,168$21,213
Average$12,996$17,032$19,837
Rough$11,914$15,555$18,047

The average list price of a used 2015 GMC Sierra 1500 in South Portland, Maine is $23,045. The average mileage on a used GMC Sierra 1500 2015 for sale in South Portland, Maine is 86,860. Based on the average mileage of 86,860 for used 2015 GMC Sierra 1500 for sale in South Portland, ME 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 South Portland, Maine to be $12,996.

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