GMC

SierraHD Specs

2007–present • Pick Up

Vehicle Version

Generation

Model years: 2007 - 2015

Facelift

Compare

Chassis

Engine & Performance

6.6-DURAMAX-T-E4

Power 365 HP

Fuel Diesel

Engine Code LMM

Drivetrain & Chassis

Chassis Pick Up

Gearbox code 1000

Platform GMT900

Dimensions

Length —

Width —

Height —

Wheelbase —

Top speed

Fuel

Combined

Engine	HP	Fuel	CO₂
6.0 V8 (360 Hp) SRW Automatic	360 HP	Petrol	—
6.6 Duramax TD V8 (365 Hp) SRW Automatic	365 HP	Diesel	—

Gearbox

Note: Performance figures may vary based on market and conditions.

Loading specifications…

Engine speed (1k/rpm)

Figures from catalog data; real-world values may differ.