See also:

Powertrain details
The GMC Sierra All Terrain HD concept is propelled by the new, production 6.6L Duramax turbo-diesel V-8 and Allison 1000 six-speed automatic transmission powertrain combination offered in the 2011 ...

Average Economy
Press the trip/fuel button until AVG ECONOMY displays. This display shows the approximate average liters per 100 kilometers (L/100 km) or miles per gallon (mpg). This number is calculated based on the ...

2009 GMC Canyon Review
Remember the Chevrolet El Camino — the car that doubled as a truck? It's been gone from the U.S. market for more than 20 years, and GM's plan to produce its virtual successor in the Pontiac G8 s ...