Used GMC Sierra 1500 SLT for Sale nearUnity, ME
259 vehicles found
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Summit White
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 43,186
- Stock #:
- P18859
- VIN:
- 3GTUUDED0PG146364
Sponsored by K & R Auto Sales
2023 GMC Sierra 1500
SLT Crew Cab 4WD
43,186 mi
Auburn, ME
55 mi away
Fair Deal
$46,693
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Gray
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 33,504
- Stock #:
- 6KS0022P
- VIN:
- 3GTUUDED8SG198902
New arrival
Sponsored Listing
2025 GMC Sierra 1500
SLT Crew Cab 4WD
33,504 mi
Saco, ME
91 mi away
Fair Deal
$46,589
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Black
- Fuel type:
- Diesel
- Transmission:
- 6-Speed Automatic
- Mileage:
- 53,976
- Stock #:
- 1354
- VIN:
- 1GTU9DET7MZ304851
Sponsored Listing
2021 GMC Sierra 1500
SLT Crew Cab 4WD
53,976 mi
Gorham, ME
81 mi away
Fair Deal
$38,800
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 77,442
- Stock #:
- 6GM0555T
- VIN:
- 3GTU9DED5MG464834
2021 GMC Sierra 1500
SLT Crew Cab 4WD
77,442 mi
Westbrook, ME
81 mi away
Good Deal
$34,254
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 89,753
- Stock #:
- 1931
- VIN:
- 3GTU2NECXJG308768
2018 GMC Sierra 1500
SLT Crew Cab 4WD
89,753 mi
Raymond, ME
75 mi away
Fair Deal
$29,394
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Jet Black/Spice Red
- Transmission:
- Automatic
- Mileage:
- 95,923
- Stock #:
- NV186743
- VIN:
- 3GTU2NEC7JG186743
2018 GMC Sierra 1500
SLT Crew Cab 4WD
95,923 mi
Home delivery from West Park, FL
Price includes $1,419 shipping
Great Deal
$25,859
- Year:
- 2014
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 5.3L V8 Flex Fuel Vehicle
- Exterior color:
- Green
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 84,008
- Stock #:
- U456184
- VIN:
- 3GTU2VEC3EG456184
2014 GMC Sierra 1500
SLT Crew Cab 4WD
84,008 mi
Union, ME
27 mi away
Good Deal
$22,112
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Titanium Rush Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 28,389
- Stock #:
- 163127T
- VIN:
- 3GTUUDED1RG163127
2024 GMC Sierra 1500
SLT Crew Cab 4WD
28,389 mi
Gorham, NH
92 mi away
Fair Deal
$48,249
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 16 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 42,626
- Stock #:
- P26011
- VIN:
- 1GTUUDELXNZ553998
2022 GMC Sierra 1500
SLT Crew Cab 4WD
42,626 mi
Home delivery from Arundel, ME
Price includes $144 shipping
Great Deal
$41,983
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 153,600
- Stock #:
- 104029
- VIN:
- 3GTP1NEC4JG104029
2018 GMC Sierra 1500
SLT Crew Cab
153,600 mi
Home delivery from Orlando, FL
Price includes $1,930 shipping
Good Deal
$20,918
- Year:
- 2016
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Brown (Tan)
- Transmission:
- Automatic
- Mileage:
- 176,017
- Stock #:
- 370795
- VIN:
- 3GTU2NEC3GG370795
2016 GMC Sierra 1500
SLT Crew Cab 4WD
176,017 mi
Home delivery from Baton Rouge, LA
Price includes $1,982 shipping
Fair Deal
$20,206
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- Brown
- Interior color:
- Black
- Mileage:
- 122,140
- Stock #:
- 4280
- VIN:
- 1GTU9DEL3LZ107349
New arrival
2020 GMC Sierra 1500
SLT Crew Cab 4WD
122,140 mi
Home delivery from Yakima, WA
Price includes $3,639 shipping
Fair Deal
$32,596
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- White Frost Tricoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 61,352
- Stock #:
- P79759
- VIN:
- 3GTU9DELXKG179759
2019 GMC Sierra 1500
SLT Crew Cab 4WD
61,352 mi
Home delivery from Tulsa, OK
Price includes $2,259 shipping
Fair Deal
$41,047
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- White
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 45,337
- Stock #:
- 6GM0614T
- VIN:
- 3GTUUDE86PG285188
2023 GMC Sierra 1500
SLT Crew Cab 4WD
45,337 mi
Westbrook, ME
81 mi away
Good Deal
$45,141
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Sterling Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 110,418
- Stock #:
- G25950A
- VIN:
- 3GTUUDEL9PG198695
2023 GMC Sierra 1500
SLT Crew Cab 4WD
110,418 mi
Home delivery from Arundel, ME
Price includes $144 shipping
Great Deal
$35,703
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 95,918
- Stock #:
- 191092
- VIN:
- 3GTU9DEL5LG191092
Price drop
-$1,177
2020 GMC Sierra 1500
SLT Crew Cab 4WD
95,918 mi
Home delivery from Frederick, CO
Price includes $1,831 shipping
Good Deal
$34,577
$33,400
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Blue
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 104,217
- Stock #:
- MX4683
- VIN:
- 1GTU9DED8KZ421327
New arrival
2019 GMC Sierra 1500
SLT Crew Cab 4WD
104,217 mi
Home delivery from Michigan Center, MI
Price includes $1,381 shipping
Great Deal
$29,566
- Year:
- 2016
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Quicksilver Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 140,824
- Stock #:
- 11356
- VIN:
- 3GTU2NECXGG204984
2016 GMC Sierra 1500
SLT Crew Cab 4WD
140,824 mi
Home delivery from Waukegan, IL
Price includes $2,348 shipping
Fair Deal
$23,202
- Year:
- 2015
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- White
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 175,485
- Stock #:
- 474640
- VIN:
- 3GTP1VEC3FG474640
New arrival
2015 GMC Sierra 1500
SLT Crew Cab
175,485 mi
Home delivery from Madison, NC
Price includes $1,190 shipping
Fair Deal
$16,984
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 73,933
- Stock #:
- 4160
- VIN:
- 1GTU9DED5KZ418031
2019 GMC Sierra 1500
SLT Crew Cab 4WD
73,933 mi
Home delivery from Yakima, WA
Price includes $3,639 shipping
Fair Deal
$37,446
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Black
- Fuel type:
- Diesel
- Transmission:
- 6-Speed Automatic
- Mileage:
- 53,976
- Stock #:
- 1354
- VIN:
- 1GTU9DET7MZ304851
2021 GMC Sierra 1500
SLT Crew Cab 4WD
53,976 mi
Gorham, ME
81 mi away
Fair Deal
$38,800
- Year:
- 2014
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 5.3L V8 Flex Fuel Vehicle
- Exterior color:
- Black
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 95,417
- Stock #:
- 464869A
- VIN:
- 3GTU2VEC9EG464869
2014 GMC Sierra 1500
SLT Crew Cab 4WD
95,417 mi
Home delivery from Schenectady , NY
Price includes $390 shipping
Great Deal
$19,385
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- ONYX BLACK
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 100,644
- Stock #:
- V25522A
- VIN:
- 3GTUUDE85PG325972
2023 GMC Sierra 1500
SLT Crew Cab 4WD
100,644 mi
Home delivery from Lithia Springs, GA
Price includes $2,208 shipping
Great Deal
$38,603
- Year:
- 2014
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 5.3L V8 Flex Fuel Vehicle
- Exterior color:
- Green
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 84,008
- Stock #:
- U456184
- VIN:
- 3GTU2VEC3EG456184
Sponsored Listing
2014 GMC Sierra 1500
SLT Crew Cab 4WD
84,008 mi
Union, ME
27 mi away
Good Deal
$22,112
FAQs
How much does the GMC Sierra 1500 SLT cost in Unity, ME?
The average GMC Sierra 1500 SLT costs about $11,665.75. The average price has increased by 1.7% since last year. The 252 for sale near Unity, ME on CarGurus, range from $8,841 to $70,111 in price.
How many GMC Sierra 1500 SLT vehicles in Unity, ME have no reported accidents or damage?
192 out of 252 for sale near Unity, ME have no reported accidents or damage.
What is the fuel economy of the GMC Sierra 1500 SLT?
Depending on the engine and options, the GMC Sierra 1500 SLT gets between 14 and 24 MPG (or EV battery range).
What fuel types are available?
Diesel, Flex Fuel Vehicle, Gasoline engines are available.
Relevant articles
CarGurus Editorial Team
The Best Gas Mileage Trucks of 2026
No one wants to cover unnecessary fuel expenses, particularly when operating a business. Here are the top 9 pickup trucks in the US market with the best fuel efficiency.
Craig Fitzgerald
The Best Trucks Under $25,000 in 2026
New trucks cost more than ever, but the prices of used ones finally seem to be cooling. You still can't find the latest and fanciest full-sizes for budget prices, but fortunately, there are plenty of good trucks under $25,000 these days. Here, we've assembled a list of the best.
CarGurus Editorial Team
Best Truck Lease Deals in June 2026
Leasing a truck can be a great way to get into one of the latest models, with the best technology, at a more affordable monthly price. Here are the best deals we've found this month.
GMC Sierra 1500 SLT in Unity MEGMC Sierra 1500 Denali in Unity MEGMC Sierra 1500 AT4 in Unity MEGMC Sierra 1500 Elevation in Unity MEGMC Sierra 1500 SLE in Unity MEGMC Sierra 1500 Base in Unity MEGMC Sierra 1500 Work Truck in Unity MEGMC Sierra 1500 SL in Unity MEGMC Sierra 1500 SLE1 in Unity MEGMC Sierra 1500 SLE2 in Unity ME
GMC Sierra 1500 in Unity MEOBS 1990s-era Chevy and Ford Trucks for Sale in Unity MEUsed GMC Electric Cars for SaleLifted GMC trucks for sale in Unity MEWork Trucks for Sale in Unity MEAmerican Made Trucks For Sale in Unity MEGM Certified Preowned Vehicles for Sale Near Unity MEBest Pickup Trucks For Sale in Unity ME
All Used CarsManual Transmission CarsLuxury CarsCars with Red InteriorCheap Manual CarsHybrid CarsSports CarsElectric SUVsCheap TrucksSmall CarsThird Row SUVsThree Quarter Ton TrucksLifted TrucksManual Transmission TrucksDiesel TrucksHybrid SUVsDually TrucksOne Ton TrucksCheap SUVsLifted Ford Trucks4x4 TrucksWork TrucksAWD SUVsFord TrucksChevrolet TrucksToyota TrucksTrucks Under $10,000Cars Under $15,000Sports Cars Under $20,000Trucks Under $20,000Used Sedans for Sale with Low Mileage in UnityUsed SUVs / Crossovers for Sale with Low Mileage in UnityUsed Hatchbacks for Sale with Low Mileage in UnityUsed Convertibles for Sale with Low Mileage in UnityUsed Vans for Sale with Low Mileage in UnityUsed Minivans for Sale with Low Mileage in UnityUsed Pickup Trucks for Sale with Low Mileage in UnityUsed Coupes for Sale with Low Mileage in UnityUsed Wagons for Sale with Low Mileage in Unity
