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Specifications for Audi RS4
The Audi RS4 RS4 4.2 V8 FSI produces 450 HP in standard configuration. Based on available tuning data, Stage 1 optimization can increase output approximately with 10%.
Below you will find detailed performance figures and technical specifications, including engine information, ECU details and supported read methods where available.
Engine Specifications
Bore × Stroke
84.5 X 92.8 mm
Displacement
4163 CC
ECU Type
Bosch MED17.1.1
Compression Ratio
11.0 : 1
Engine Code
CFSA
Read Method
ktag
Read Method
powergate
Stage 1
POWER
450 HP
450 HP
→ +30
TORQUE
430 Nm
430 Nm
→ +25
PRICE
€ 790,-