If you need a big wagon taken to the efficient extreme, you'll be hard pressed to do better than the one that's as familiar as the golden arches.
Replaced first by the ‘80s minivan, the ‘90s SUV and the ‘00s crossovers, big wagons fell out of favor and haven’t recovered. And not because they’ve lost any utility in the meantime.
I remember Teresa (Earnhardt) or Dad always having these big station wagons for Teresa to drive around. And they had these decal wood panelling on the side. We had a couple of those Chevrolets." ...