might be a better comparison to do L per 100km's -

ours does about 10.5L per 100km's - v6 4wd
the little sports wagon i don't know - haven't tested since we got it - runs on the sniff of an oily rag. i put half a tank in about 6 weeks ago and just doing work and round the town trips, i still have about 1/8 of a tank now