What are the RS4’s main competitors?
It is only available with Audi’s Torsen-based trademark quattro permanent four-wheel drive system. Its main market competitors include the BMW M3, Mercedes-Benz C 63 AMG, Lexus IS-F (formerly) and Cadillac ATS-V (now Cadillac CT4-V Blackwing). Its main market competitors include the BMW M3, Mercedes-Benz C 63 AMG, Lexus IS-F (formerly) and Cadillac ATS-V (now Cadillac CT4-V Blackwing).