BT’s top-tier "Power R" tune extracts up to 730 hp and 920 Nm of torque from the 4.0L twin-turbo V8, dropping the 0-100 km/h sprint from 3.9 seconds down to a blistering 3.1 seconds—matching the Ferrari F12 of its era.
ABT
ABT
@ABT Sportsline RS4-R#abtsportsliners4r By Alexander Migl - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=77677060
@ABT Sportsline RS4-R#abtsportsliners4r By Alexander Migl - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=77677060