The 2006 GMC Sierra-2500HD is 6 ft. 7.7 in. (79.7 in.)12V front power outlet(s) wide.
It's worth about $13,000. See quotes at http://www.edmunds.com/gmc/sierra2500hd/2006/index.html
The 2006 GMC Canyon is 5 ft. 7.6 in. (67.6 in.)12V front power outlet(s) wide.
The 2006 GMC Yukon is 6 ft. 6.9 in. (78.9 in.)1 one-touch power windows wide.
The 2006 GMC Savana is 6 ft. 7.4 in. (79.4 in.)12V front power outlet(s) wide.
The 2006 GMC Savana-Cargo is 6 ft. 7.4 in. (79.4 in.)12V front power outlet(s) wide.
The 2006 GMC Sierra-1500 is 6 ft. 6.5 in. (78.5 in.)12V front power outlet(s) wide.
The 2006 GMC Yukon-XL is 6 ft. 6.8 in. (78.8 in.)1 one-touch power windows wide.
The 2006 GMC Yukon has a V8 engine.
The 2006 GMC Yukon has 16 valves.
The 2006 GMC Savana has 12 valves.
The 2006 GMC Canyon has 16 valves.
The 2006 GMC Savana has a V6 engine.