1) In the 1960s, American automakers created high-performance "muscle cars" that were mid-sized, rear-wheel drive cars with powerful V8 engines. 2) Australian and South African automakers also developed their own muscle car traditions during this period to compete in long-distance racing. 3) Muscle cars were typically two-door cars with seating for two in the front and two smaller seats in the back, and were intended for sporty performance and racing.