I dunno, I've put over 64,000 km on my dodge with the 5.7 in it and empty I consistently get over 20 empty, usually closer to 22 with speeds about 110-115 km/h. When towing it's a different story. Usually pulling over 7000 lbs, speeds about 100 km/h (tow for work, not going to race around with a load and hurt my truck lol) I only get about 13 mpg. this is a quad cab deal, great rig so far.
Next one though will be the 'yota I think with the crewmax. Most of my driving is empty, but when I do need it, noce to have the extra oomph the yota seems to have over any other gasser.
G.
You must mean 20-22 KM to imperial gallons? You running a 1500 Hemi with the MDS (mulit displacement system), 2500 5.7 dodges suck fuel like no tomorrow.
-Seeder