Used Gray GMC Sierra 1500 for Sale inUnity, ME
138 vehicles found
- 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:
- Gray
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 69,140
- Stock #:
- T406B
- VIN:
- 1GTR9CED4MZ436359


Sponsored by Casco Bay Ford
2021 GMC Sierra 1500
Elevation Double Cab 4WD
69,140 mi
$33,484
- 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

Sponsored Listing
2025 GMC Sierra 1500
SLT Crew Cab 4WD
33,504 mi
$46,589
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Gray
- Combined gas mileage:
- 15 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 24,055
- Stock #:
- P2387A
- VIN:
- 3GTUUFEL8RG241177

Sponsored Listing
2024 GMC Sierra 1500
AT4X Crew Cab 4WD
24,055 mi
$62,750
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Gray
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 13,715
- Stock #:
- 70033177
- VIN:
- 1GTUUGEL2RZ353351

2024 GMC Sierra 1500
Denali Crew Cab 4WD
13,715 mi
$59,297
- 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:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 54,367
- Stock #:
- HH204443A
- VIN:
- 1GTR9BED9KZ194787

2019 GMC Sierra 1500
SLE Double Cab 4WD
54,367 mi
$30,397
- 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:
- Gray
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 69,140
- Stock #:
- T406B
- VIN:
- 1GTR9CED4MZ436359

2021 GMC Sierra 1500
Elevation Double Cab 4WD
69,140 mi
$33,484
- 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:
- Gray
- Combined gas mileage:
- 16 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 72,261
- Stock #:
- 5HN0222A
- VIN:
- 3GTUUGEL0NG671205

2022 GMC Sierra 1500
Denali Crew Cab 4WD
72,261 mi
$38,593
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Gray (Dark Sky Metallic)
- Combined gas mileage:
- 16 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black w/Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 121,173
- VIN:
- 1GTP9EEL5MZ226461

2021 GMC Sierra 1500
AT4 Crew Cab 4WD
121,173 mi
$33,674
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 98,588
- Stock #:
- b258586
- VIN:
- 1GTU9FELXLZ258586

2020 GMC Sierra 1500
Denali Crew Cab 4WD
98,588 mi
$33,068
- 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:
- Gray
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 56,358
- Stock #:
- 19809
- VIN:
- 1GTRUBED0PZ259824

2023 GMC Sierra 1500
SLE Double Cab 4WD
56,358 mi
$36,888
- 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:
- Gray (Satin Steel Metallic)
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 75,726
- Stock #:
- G26556A
- VIN:
- 3GTU9CED4MG403520

2021 GMC Sierra 1500
Elevation Crew Cab 4WD
75,726 mi
$35,983
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Gray (Steel Metallic)
- Combined gas mileage:
- 16 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 111,552
- Stock #:
- 446945
- VIN:
- 1GTP9EEL9MZ446945

2021 GMC Sierra 1500
AT4 Crew Cab 4WD
111,552 mi
$34,048
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Gray ([G9K] Satin Steel Metallic)
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 81,967
- Stock #:
- 429321S
- VIN:
- 3GTP8CED7MG429321
![Gray ([G9K] Satin Steel Metallic) 2021 GMC Sierra 1500 Pickup Truck 4X2 Automatic](https://static.cargurus.com/images/forsale/2026/06/05/17/38/2021_gmc_sierra_1500-pic-9057248470881592356-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
2021 GMC Sierra 1500
Elevation Crew Cab RWD
81,967 mi
$30,594
- 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:
- Gray
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 28,250
- Stock #:
- 22756
- VIN:
- 1GTUUCED6RZ239743

2024 GMC Sierra 1500
Elevation Crew Cab 4WD
28,250 mi
$42,914
- 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:
- Gray
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Transmission:
- Automatic
- Mileage:
- 83,094
- Stock #:
- MX4548
- VIN:
- 1GTU9CETXMZ376525

2021 GMC Sierra 1500
Elevation Crew Cab 4WD
83,094 mi
$32,362
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 2.7L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 30,973
- Stock #:
- 28792200
- VIN:
- 3GTPUJEK6PG129997

2023 GMC Sierra 1500
Elevation Standard Crew Cab 4WD
30,973 mi
$41,497
- 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:
- Gray
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 69,065
- Stock #:
- MX4177
- VIN:
- 1GTU9BED1KZ282324

2019 GMC Sierra 1500
SLE Crew Cab 4WD
69,065 mi
$29,187
- Year:
- 2022
- 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
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 80,414
- Stock #:
- G26297A
- VIN:
- 3GTUUGEDXNG686657

2022 GMC Sierra 1500
Denali Crew Cab 4WD
80,414 mi
$41,474
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Thunderstorm Gray
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Diesel
- Interior color:
- Black (Obsidian Rush)
- Transmission:
- Automatic
- Mileage:
- 54,695
- Stock #:
- 7381P
- VIN:
- 3GTUUFE88RG275986

2024 GMC Sierra 1500
AT4X Crew Cab 4WD
54,695 mi
$57,232
- Year:
- 2017
- 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
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 163,309
- Stock #:
- 9709C
- VIN:
- 3GTU2MEC1HG475539

2017 GMC Sierra 1500
SLE Crew Cab 4WD
163,309 mi
$19,478
- Year:
- 2017
- 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:
- 6-Speed Automatic
- Mileage:
- 145,000
- Stock #:
- 2565
- VIN:
- 1GTV2LECXHZ336735

2017 GMC Sierra 1500
Base Double Cab 4WD
145,000 mi
$16,768
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Gray (Dark Sky Metallic)
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 110,329
- Stock #:
- JJ11283A
- VIN:
- 3GTU9FET9LG256361

2020 GMC Sierra 1500
Denali Crew Cab 4WD
110,329 mi
$32,999
- 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
- Transmission:
- Automatic
- Mileage:
- 44,076
- Stock #:
- P2434
- VIN:
- 3GTUUDEDXSG263491

-$1,000
2025 GMC Sierra 1500
SLT Crew Cab 4WD
44,076 mi
$42,750
$41,750
- 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:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 54,367
- Stock #:
- HH204443A
- VIN:
- 1GTR9BED9KZ194787

Sponsored Listing
2019 GMC Sierra 1500
SLE Double Cab 4WD
54,367 mi