2006 GMC Sierra Truck
Facts, opinions, photos. The 2006 GMC Sierra truck, a full-size pickup truck manufactured by General Motors.
2006 GMC Sierra EPA Fuel Economy Ratings
A comparison of EPA fuel economy ratings for 2006 GMC Sierra trucks. Compare ratings for trucks in the 2006 Sierra lineup.
A comparison of EPA fuel economy ratings for 2006 GMC Sierra trucks. Compare ratings for trucks in the 2006 Sierra lineup.
2006 GMC Sierra Truck
There's a hybrid-electric option on the 2006 GMC Sierra truck, but some of its other features are somewhat behind the times when compared to other current full size trucks.
There's a hybrid-electric option on the 2006 GMC Sierra truck, but some of its other features are somewhat behind the times when compared to other current full size trucks.