GMC Sierra – Car Specs Catalog

2020-2023 GMC Sierra 3500HD V (GMTT1XX) Regular Cab Long Bed 6.6 V8 (401 Hp) SRW Automatic

The GMC Sierra 3500HD, specifically the V (GMTT1XX) Regular Cab Long Bed configuration powered by the 6.6-liter V8 engine producing […]

The GMC Sierra 3500HD, specifically the V (GMTT1XX) Regular Cab Long Bed configuration powered by the 6.6-liter V8 engine producing

The GMC Sierra 3500HD, specifically the V (GMTT1XX) Regular Cab Long Bed configuration with the 6.6-liter V8 engine producing 401

The GMC Sierra 3500HD, specifically the V (GMTT1XX) Regular Cab Long Bed configuration with the 6.6-liter V8 engine producing 401

The GMC Sierra 3500HD, specifically the fifth generation (GMTT1XX) produced from 2020 to 2023, represents GMC’s heavy-duty full-size pickup truck

The GMC Sierra 3500HD, specifically the fifth generation (GMTT1XX) produced from 2020 to 2023, represents GMC’s heavy-duty full-size pickup truck

The GMC Sierra 3500HD, specifically the fifth generation (GMTT1XX) produced from 2020 to 2023, represents GMC’s heavy-duty full-size pickup truck

The GMC Sierra 3500HD, in its fifth generation (GMTT1XX), represents GMC’s heavy-duty full-size pickup truck offering. Produced from 2020 to

The GMC Sierra 3500HD, in its fifth generation (GMTT1XX), received a significant facelift for the 2024 model year. This iteration

The GMC Sierra 3500HD, in its fifth generation (GMTT1XX), received a significant facelift for the 2024 model year. This iteration

The GMC Sierra 3500HD, specifically the 2024 model year facelift in its Regular Cab Long Bed configuration with the 6.6-liter

The GMC Sierra 3500HD, in its fifth generation (GMTT1XX), received a significant facelift for the 2024 model year. This iteration