The 2001 GMC Yukon has a 4-speed automatic.
The 2001 GMC Savana has a 4-speed automatic.
The 2001 GMC Savana-Cargo has a 4-speed automatic.
The 2001 GMC Yukon-XL has a 4-speed automatic.
The 2001 GMC Sierra-1500 has a 5-speed manual.
It's worth about $13,000. See quotes at http://www.edmunds.com/gmc/sierra2500hd/2006/index.html
The 2001 GMC Savana runs on regular unleaded.
The 2001 GMC Yukon runs on regular unleaded.
The 2005 GMC Yukon has a 4-speed automatic.
The 2009 GMC Yukon has a 4-speed automatic.
The 2004 GMC Yukon has a 4-speed automatic.
The 2009 GMC Savana has a 4-speed automatic.