Contrary to convention, this four-cylinder engine block has 20 DOHC valves in the valvetrain. According to traditional automotive design, a powertrain of such a caliber should have a maximum of 16 DOHC valves. The peak output ratings of the 2.5 L TFSI engine are 394 hp and 354 lb-ft of torque. When the tachometer reaches critical levels, this sporty Audi sedan can attain a top track speed of 155 MPH. Additionally, it takes only 3.9 seconds for the RS 3 to reach a cruising speed of 60 MPH from a standstill. Equipped with a rear diffuser, this sedan surely has an aggressive and bold stance. The Quattro All-Wheel Drive also allows this luxurious model to stay within its intended path.