I've got a 2010 Ford Fusion, and it has proven to be a great triathlon schlepping-mobile.
This summer, en route to a XTERRA race, I successfully fit two 29'er MTBs (along with tent, backpacks, sleeping bags) in the trunk with the rear seats folded down and the front wheels taken off.
With the 60/40 split fold down rear seats, I've also been able to get a third passenger in the back plus a road bike.
It gets around 30 mpg and is very low maintenance.