The 2005 GMC Sierra-2500HD is 18 ft. 6.1 in. (222.1 in.) long.
It's worth about $13,000. See quotes at http://www.edmunds.com/gmc/sierra2500hd/2006/index.html
The 2005 GMC Savana is 18 ft. 8.1 in. (224.1 in.) long.
The 2005 GMC Yukon is 16 ft. 6.9 in. (198.9 in.) long.
The 2005 GMC Canyon is 16 ft. 0.8 in. (192.8 in.) long.
The 2005 GMC Sierra-1500 is 17 ft. 1.7 in. (205.7 in.) long.
The 2005 GMC Savana-Cargo is 18 ft. 8.1 in. (224.1 in.) long.
The 2005 GMC Yukon-XL is 18 ft. 3.3 in. (219.3 in.) long.
The 2005 GMC Yukon has a 6 yr./ 100000 mi. warranty against rust.
The 2005 GMC Savana has a 6 yr./ 100000 mi. warranty against rust.
The 2005 GMC Yukon includes 3 yr./ 36000 mi. of roadside assistance.
The 2005 GMC Canyon includes 3 yr./ 36000 mi. of roadside assistance.
The 2005 GMC Canyon has a 6 yr./ 100000 mi. warranty against rust.