The heart of the Mazda RX-8 is its high-revving, 1.3-liter rotary engine called the Renesis. This, along with balanced suspension tuning, sharp steering and a svelte 3,000-pound curb weight, makes the rear-wheel-drive "Mazda RX-8" one of the best-handling cars on the market. Current Mazda RX-8The Mazda RX-8 is a four-seat coupe with a pair of rear-hinged "suicide" doors that ease access to the