Originally Posted by Adam Ginsberg
FWIW, when I began racing in 2003, I towed first with my wife's 1500, 5.7L Chevy van. It did a damn decent job.
Later, I switched to a 1995 5.0L Ford X-cab. It towed very well, albeit not very fast. ~16mpg in mixed driving, ~9mpg towing about 6000-7000lbs.
Moved to a brand new F250 CC TD. Best mixed mileage has been 17mpg, best straight highway usage is 20mpg. Best towing mileage has been 14mpg.
From experience - once you decide to buy a diesel, you'll wonder why you waited.