44 used GMC Sierra cars in Westbrook, ME

Exterior Color: summit white, Interior Color: jet black, Body: Pickup Truck, Engine: Gas V8 5.3L, Fuel: Gas

Scores 21 Highway MPG and 15 City MPG! This GMC Sierra 1500 delivers a Gas V8 5.3L engine powering this Automatic transmission. X31 OFF-ROAD...

Only 95,986 Miles! Scores 18 Highway MPG and 13 City MPG! This GMC Sierra 1500 delivers a Gas/Ethanol V8 4.8L/293 engine powering this...

Only 54,844 Miles! Boasts 18 Highway MPG and 12 City MPG! This GMC Sierra 1500 boasts a Gas/Ethanol V8 6.2L/378 engine powering this Automatic...

Only 10,683 Miles! This GMC Sierra 2500HD boasts a Gas/Ethanol V8 6.0L/366 engine powering this Automatic transmission. Wireless charging...

Recent Arrival! Onyx Black 2024 GMC Sierra 2500HD SLE 4WD 10-Speed Automatic 6.6L V8 Our Mission: Family owned and customer driven the Bill...

Exterior Color: summit white, Interior Color: jet black, Body: Pickup Truck, Engine: Gas V8 5.3L/325, Fuel: Gas

Boasts 22 Highway MPG and 16 City MPG! This GMC Sierra 1500 boasts a Gas V8 5.3L/325 engine powering this Automatic transmission. Wireless...

Exterior Color: dark sky metallic, Interior Color: jet black, Body: Pickup Truck, Engine: Diesel I6 3.0L/183, Fuel: Diesel

Exterior Color: cayenne red tintcoat, Interior Color: jet black, Body: Pickup Truck, Engine: Gas V8 5.3L/325, Fuel: Gas

Exterior Color: onyx black, Interior Color: obsidian rush, Body: Pickup Truck, Engine: Gas V8 6.2L/376, Fuel: Gas

Recent Arrival! White Frost Tricoat 2019 GMC Sierra 3500HD Denali 4WD Allison 1000 6-Speed Automatic Duramax 6.6L V8 TurbodieselOur Mission...

2015 GMC Sierra 2500HD Denali with 96,492 miles for $0. Located in Westbrook, ME.

Recent Arrival! Cardinal Red 2021 GMC Sierra 1500 Elevation 4WD 8-Speed Automatic EcoTec3 5.3L V8Our Mission: Family owned and customer driven...

Recent Arrival! Onyx Black 2021 GMC Sierra 1500 AT4 4WD 10-Speed Automatic 3.0L I6Our Mission: Family owned and customer driven, the Bill...

Recent Arrival! White Frost Tricoat 2023 GMC Sierra 1500 Denali 4WD 10-Speed Automatic EcoTec3 5.3L V8Our Mission: Family owned and customer...

Exterior Color: fire red, Interior Color: ebony, Body: Pickup Truck, Engine: Turbocharged Diesel V8 6.6L/403, Fuel: Diesel

Recent Arrival! Cayenne Red Tintcoat 2021 GMC Sierra 1500 Elevation 4WD 8-Speed Automatic EcoTec3 5.3L V8Our Mission: Family owned and...

...Front Ventilated disc brakes 1st and 2nd row curtain head airbags Passenger Airbag Side airbag Bluetooth wireless phone connectivity Premium GMC...

Certified. Volcanic Red Tintcoat 2023 GMC Sierra 1500 Denali 4WD 10-Speed Automatic EcoTec3 6.2L V8 10-Way Power Driver Seat Adjuster w/Lumbar...

Exterior Color: summit white, Body: Pickup, Engine: V8 6.60L, Fuel: Diesel, Doors: 2

Exterior Color: cardinal red, Interior Color: dark ash, Body: Pickup Truck, Engine: Gas/Ethanol V8 6.0L/366, Fuel: Gas

2021 GMC Sierra 1500 4X4 Elevation 4DR Crew Cab 6.6 ft. SB. Check out for more information!

Exterior Color: onyx black, Cylinders: 6, Doors: 4

...Front Ventilated disc brakes 1st and 2nd row curtain head airbags Passenger Airbag Side airbag Bluetooth wireless phone connectivity Premium GMC...