After installing Revo’s Stage 2 tune, the Audi S4 takes on the RS4 again in standing and rolling runs. Power rises to around ...

At a private runway, the latest Audi RS4 takes on a stock B9 S4 in a series of drag and rolling races. Both cars feature Quattro all-wheel drive and similar 3.0L turbocharged setups, but the RS4’s ...

The 2021 Mercedes-Benz E-Class is a 4-, 5-, or 7-seat Convertible with Hybrid and Gasoline powertrain options starting at $64,900. The 2021 Audi S4 is a Sedan that offers 4, 5 or 7 seats and is ...

The 2021 Lexus LS 500 AWD comes in 1 different trims, ranging in Canadian pricing from $104,750 to $104,750 while the 2021 Audi S4 comes in 2 trim levels and its Canadian pricing starts at $60,600 and ...