The Competition: BMW M3 V8 and Audi RS4 Audi was the first to employ a high-revving V8 in its compact RS4 sports sedan. Paired with quattro all-wheel-drive, it was rapid off the line and sure-footed ...

Ignore the sideways action and 500-hp engines. This video from the Tyre Reviews YouTube channel featuring an Audi RS4 Avant ...

The RS4’s advancing years are felt in the cabin ... but the visuals are a little dated. The BMW Curved Display in an M3 Touring looks, feels – and is – a generation ahead.

Are you looking to buy a car but can't decide between a Audi RS4 or BMW 540i? Use our side by side comparison to help you make a decision. We compare design, practicality, price, features, engine, ...

That makes the RS4 and RS5 the most affordable in their competitor set, below a BMW M3 Competition xDrive Touring ($183,500) and Mercedes-AMG C63 S E Performance hybrid, which is $187,900, before ...