For owners or enthusiasts, keeping an RS4 performing at its peak requires specific attention: Quick Buyers guide to the Audi RS4
: Features a 2.9L biturbo V6 producing 444 hp and 443 lb-ft of torque. It hits 0–62 mph in 4.1 seconds . AUDI RS4 1.44
: Uses a high-revving 4.2L V8 (redline of 8,250 RPM) making 420 hp . This model is famous for its manual-only gearbox and raw V8 soundtrack. Essential Maintenance & Reliability For owners or enthusiasts, keeping an RS4 performing
The is Audi's high-performance version of the A4, positioned above the S4 as a sports-focused "RennSport" (Racing Sport) model. While "1.44" is not a standard factory engine size or version number, it likely refers to a specific version used in simulation games like Euro Truck Simulator 2 (ETS2) or Assetto Corsa , or a highly specific tuning package for the modern 2.9L twin-turbo V6 or classic 4.2L V8 engines . Core Performance Specs (Standard Models) This model is famous for its manual-only gearbox
Across its generations, the RS4 has transitioned from naturally aspirated power to high-torque turbocharging.