The front track of the 2004 GMC Sierra-1500 is 5 ft. 5 in. (65 in.).
The front track of the 2004 GMC Sierra-2500HD is 5 ft. 8.6 in. (68.6 in.).
4x6 are the size of the door speakers on 2004 GMC Sierra. Standard cab
The 2004 GMC Sierra-2500HD is 6 ft. 7.7 in. (79.7 in.)12V front power outlet(s) wide.
The 2004 GMC Sierra-1500 is 6 ft. 6.5 in. (78.5 in.)12V front power outlet(s) wide.
The 2004 GMC Sierra-2500HD has rear wheel drive.
The 2004 GMC Sierra-1500 has rear wheel drive.
The 2004 GMC Sierra-2500HD has 16 valves.
The 2004 GMC Sierra-1500 has a V6 engine.
The 2004 GMC Sierra-2500HD has a V8 engine.
The 2004 GMC Sierra-1500 has 12 valves.
The 2004 GMC Sierra-1500 is a gas-powered vehicle.