Disagree;
09 Toyota 4runner, FWD V8, combined MPG 15.
Subaru Tribeca, FWD V8, combined MPG 15.
VW Toureg, All motion V8, combined MPG 17.
KIA Borrego, V8 FWD combined MPG 17.
The above have unobstructed side and front visibility and more accomodating space for the driver. The V6 models get better combined MPG returns.
The 2010 Tahoe and Sequoia, both V8s and FWD, get better than 12 combined MPG, and those are full size vehicles.