New York auto show, Buick showed off a refreshed version of its already stunning Riviera coupe. Formerly fitted with fixed ...

The Aventador-based Lamborghini Sian FKP 37 was the Italian automaker's first hybrid ... Now there's one for sale on Bring a Trailer that could be yours if your pockets are deep enough.

The Audi RS6, Audi S6, and BMW M5 are all equipped with a powerful V-10 engine that can make Italian supercars from the 2000s ...