Stuart Martin and Cara Jenkin compare the BMW M4 against the Mercedes-Benz C63 AMG, Nissan GT-R and Audi RS5. Some cars are sensible, some cost $150K-plus, some cover both bases. Australian buyers are ...
Two heavily tuned AMG beasts go head-to-head — a 700HP GAD Motors C63 Edition 507 and an 820HP GT R by LA Performance. Watch them battle in sound, speed, and style. Which one would you take home?