You would think that after 140 years of producing automobiles, the industry would have settled on a basic layout. After all, bicycles don't have heaps of alternative ...

Long before the mid-engine layout became the standard for exotic high-performance rides, these road-legal sports cars went all in on placing the motor behind the driver, making history in the process.

Since its inception, the 911, Porsche's most iconic road car, has been powered by rear-mounted engines. However, throughout its history, Porsche has developed several epic mid-engine street cars.