Audi RS6 vs BMW M550i


Mat Watson races a BMW 550i against an Audi RS6 in one of CarWow’s recent webisode.

We can always count on Mat Watson from CarWow to bring us some exciting drag races. In one of its most recent webisodes, the YouTube channel pits an Audi RS6 against a BMW M550i. Both contenders were evenly matched, as the 4.4-liter V8 motor in the BMW 550i produces 530 HP of maximum power and around 553 lb-ft of peak torque. The Audi comes equipped with a 600 HP 4.0-liter V8 engine which churns out 590 lb-ft of torque.

Watson was behind the wheel of the BMW 550i shares its TwinPower motor with the lauded BMW M5. Both cars get 8-speed automatic transmissions and all-wheel-drive layouts, but at around 4574 lbs, the Audi is 353 lbs heavier than BMW’s performance sedan. Both cars also come equipped with launch controls, but that did not help the BMW 550i. The BMW 550i completed the quarter-mile in 11.9 seconds, and the quattro equipped Audi RS6 made the same run in just 11.6 seconds.

“This (BMW 550i) kind of felt a little bit soft. It didn’t have the hard kick that you get in that,” said Watson.

Audi RS6 vs BMW M550i

Watson’s Beemer was quicker off the line than the Audi RS6, but the presenter attributed that to his reaction time. The two cars then participated in a rolling drag race traveling at 50 MPH in Comfort mode. The Audi RS6 took the lead straight away, which it maintained till the end of the race and even the track for that matter. Even in Sport mode, the Audi RS6 managed to pull away from Watson’s BMW 550i in a rolling drag race.

This (BMW 550i) picks up pretty nice, not quite as nice as that RS6, confessed Watson. He further added, “he’s (driver in the Audi RS6) just easing ahead but once again not by loads.”
The Audi RS6 was not just quick in a straight line, but also managed to decelerate faster than the 550i in the brake test. In the interest of full disclosure, the Audi RS6 is more expensive than the BMW 550i, but as Mat made evident in the video, you do get a lot more performance for the extra money.

Image Source: CarWow

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