The Toyota-owned Lexus brand has given the motoring world some truly desirable sports cars, and even a legendary supercar. Yamaha-tuned naturally aspirated 5.0-litre V8 engines have graced the engine bays of sedans, coupes and tourers, and a similarly developed 4.8-litre V10 found under the long bonnet of the Lexus LFA supercar is often cited as one of the world's best-sounding.