WHICH S4 ARE YOU COMPARING WITH THE RS4 (THE 2.7 BI-TURBO OR THE 4.2 V8).
THE RS4 IS A 2.7 BI-TURBO LIKE WHATS FITTED TO THE PRE 2001 S4'S. BUT IT HAS HIGHER HORSE POWER DUE TO BIGGER TURBOS AND INJECTORS WITH GREATER FLOW ETC. WHERE AS THE 2000 ON WARDS S4 HAS THE 4.2 V8 NON- TURBO.
|