Can one improve on perfection? Audi just took the wraps off a new 553 hp R8 GT Spyder. Featuring Audi's 5.2-litre direct injection V10 engine, with a throaty 552bhp (up from 518bhp) and torque to 398lb ft (from 391lb ft). The new R8 will hit 0-62mph in 3.8 seconds and can attain a 197mph top speed. Production will be limited to 333 units and those lucky enough to get on the shortlist for GT Spyder will spend around $187,000.