Truck Trend is the source for official specifications, payload, towing capacity, and other information that matters to real truck users. Check out the latest info for the 2010 GMC Sierra Hybrid full-size pickup truck. The Sierra Hybrid is powered by a 332-horsepower Vortec 6.0L V-8 engine with a 2-Mode continuous electric ratio hybrid transmission with four fixed gears.


2010 GMC Sierra Hybrid Technical Specifications
Overview
Model:GMC Sierra Hybrid
Body style / driveline:full-size, 4-door pickup; front-engine, 2WD & 4WD
Construction:body-on-frame, all-welded, fully-boxed, ladder-type channel design, with hydroformed front and rear sections
EPA vehicle class:full-size pickup
Manufacturing location:Silao, Mexico
Engine
Type:Vortec 6.0L V-8 FlexFuel (LZ1)
Application:Sierra Hybrid
Displacement (cu in / cc):364 / 5967
Bore & stroke (in / mm):4.00 x 3.62 / 101.6 x 92
Block material:cast aluminum
Cylinder head material:cast aluminum
Valvetrain:overhead valve, two valves per cylinder, variable valve timing
Ignition system:coil-near-plug ignition, iridium electrode tip/iridium core spark plugs, low resistance spark plug wires
Fuel delivery:Active Fuel Management; sequential fuel injection
Compression ratio:10.8:1
Horsepower (hp / kW @ rpm):332 / 248 @ 5100*
Torque (lb-ft / Nm @ rpm):367 / 498 @ 4100*
Recommended fuel:regular unleaded or E85
Maximum engine speed (rpm):6000
Emissions controls:close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O2 sensor
EPA estimated fuel economy (city / hwy):2WD: 21 / 22
4WD: 21 / 22
Transmission
Type:2-mode continuous electric ratio hybrid transmission with four fixed gears
Gear ratios (:1):
First:3.69
Second:1.70
Third:1.00
Fourth:0.73
Reverse:infinite - 1.70
EVT1:infinite - 1.70
EVT2:1.70 - 0.5
Final drive ratio:3.08
Vehicle Power System
Power electronics system:300-volt (transmission, air conditioning; 42-volt (power steering); 12-volt (vehicle accessories)
Batteries:300-volt (hybrid system); 12-volt (vehicle accessories)
Chassis / Suspension
Front:independent, coil-over-shock
Rear:two-stage leaf spring
Steering type:42-volt electric power-assisted rack-and-pinion
Steering ratio:17.75:1
Steering wheel turns, lock-to-lock:3
Brakes
Type:power-assisted four-wheel discs with fully blended regenerative braking control, standard stability control, traction control and four-channel ABS; vented front discs, solid rear discs; twin-piston front calipers, single-piston rear calipers
Rotor diameter x thickness (in / mm):front: 13 x 1.18 / 330.2 x 30
rear: 13.5 x 0.79 / 345 x 20
Wheels/Tires
Wheel size and type:18 x 8-inch chrome-clad aluminum
Tires:P265/65R18 AL2