The Hyundai Genesis concept is a V8-powered rear-wheel-drive luxury sedan sized between a BMW 5- and 7-series. (Yes, that's right -- from Hyundai!) Though officially a concept, the Genesis hints strongly at a new production model from Hyundai due in about a year. Hyundai says the all-aluminum V8 produces "well over" 300 horsepower; mated to a 6-speed ZF automatic, it propels the Genesis concept to 60 in under 6 seconds. Look out, Lexus...

