Assembled: Wentzville, Mo.
Percentage Made In U.S.: 82% The minivan is nice and all, but your eight-kid family or 14-member Little League team still can't wedge into one. That's where these shuttle-bus-sized vehicles come in. Usually a working van for contractors or emergency responders, the Express and Sierra are also popular enough as people movers to soak up nearly 45% of America's full-sized van market. That's still behind Ford's E-Series, but GM has a stronger claim to the Made in the U.S.A. Label.