2024 Audi RS 6, RS 7 performance vrooms to the next level

Audi's RS 6 wagon and RS 7 coupe-like sedan are getting improved performance trims with larger turbochargers bolted to their 4.0-liter biturbo V-8 engine, boosting horsepower by 30 to 621 and giving the cars a 0-to-60-mph sprint time of just 3.3 seconds. There is added torque as well: 627 pound-feet, up 37.