Though hailed as top-tier, European supercars have frequently been rivaled in speed by their American counterparts.

The all-American V8 kicks out as much as 350 hp, but the V8 power isn't as mighty as it once was. These are the V6 motors that put the LS1 to shame.

Pontiac's Sunbird is one of the more long-lived nameplates on this list, first debuting in 1976 as a compact rear-wheel drive offering with a Buick V6 built on the H-body platform. But this first ...

This 1995 Buick LeSabre, with 109,000 miles, runs and drives but stalls when the check engine light comes on. Potential crank or cam sensor issue. Numerous new parts, including battery ...