
2026 GMC Sierra 1500
Mileage: 6 · Westbrook, ME
2026 GMC Sierra 1500 SLT Crew Cab 4WD
Westbrook, ME
$65,545
MSRP
$68,795
Dealer rating
Request information
Features
Mileage
6
Drivetrain
Four-Wheel Drive
Exterior color
Onyx Black
Interior color
Jet Black, Perforated Leather-Appointed Front Outb
MPG
24 MPG
Engine
3L I6 Diesel
Fuel type
Diesel
Transmission
Automatic
Finance in advance
Overview
- Make:GMC
- Model:Sierra 1500
- Year:2026
- Trim:SLT
- Body type:Pickup Truck
- Exterior color:Onyx Black
- Interior color:Jet Black, Perforated Leather-Appointed Front Outb
- Mileage:6 mi
- Condition:New
- VIN:3GTUUDE88TG252672
- Stock number:6GM15005
Fuel economy
- Fuel tank size:24 gal
- Combined gas mileage:24 MPG
- City gas mileage:22 MPG
- Highway gas mileage:26 MPG
- Fuel type:Diesel
Performance
- Transmission:Automatic
- Drivetrain:Four-Wheel Drive
- Engine:3L I6 Diesel
Safety
- ABS Brakes
- Curtain Airbags
- Driver Airbag
- Front Side Airbags
- Passenger Airbag
Measurements
- Doors:4 doors
- Front legroom:44 in
- Back legroom:43 in
- Cabin size:Crew Cab
- Cargo volume:69 in
Options
Engine, Duramax 3.0L Turbo-Diesel I6
History
Clean title
No issues reported.
0 accidents reported
No accidents or damage reported.
Pricing
- Selling slowlyOn the market longer than average. There may be flexibility on price.
- No price changes
Dealer

Dealer reviews
Dealer's description
Scores 26 Highway MPG and 22 City MPG! This GMC Sierra 1500 boasts a Turbocharged Diesel I6 3.0L/ engine powering this Automatic transmission. ENGINE, DURAMAX 3.0L TURBO-DIESEL I6 (305 hp [227 kW] @ 3750 rpm, 495 lb-ft of torque [671 Nm] @ 2750 rpm) (Includes (KW5) 220-amp alternator and (K05) engine block heater., Wireless, Apple CarPlay / Wireless Android Auto, Wipers, front rain-sensing. * This GMC Sierra 1500 Features the Following Options * Windows, power rear, express down, Windows, power front, drivers express up/down, Window, power front, passenger express up/down, Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.), Wheels, 18" x 8.5" (45.7 cm x 21.6 cm) 6-spoke machined aluminum with Dark Grey Metallic accents, Wheelhouse liners, rear, Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare, USB Ports, 2, Charge/Data ports located on instrument panel, USB ports, (2) charge-only, rear, Transmission, 10-speed automatic, (Column shifter) electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking.
By clicking "Email me," you agree to our Privacy Policy and Terms of Use.
* Fuel economy figures shown are provided from EPA mileage estimates and may not be comparable across different model years. Actual mileage will vary, depending on specific options selected, vehicle maintenance and your driving habits
Vehicle information is provided by the seller or other third parties; CarGurus is not responsible for the accuracy of such information. Price may exclude certain taxes, fees, and/or charges. See seller for details.







