Audi RS5 is Back and Challenges the Mercedes-AMG C63 S to a Duel

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The Audi RS5 is finally back in the fight. Packing a twin-turbo V6 and AWD, can it best the V8 hammer from AMG?

Recently, the small, German, sport coupe segment has been a market with only two options, the BMW M3/4 and the Mercedes-AMG C63. Finally, Audi is back in the game. The 2018 Audi RS5 is an all new machine, with an all new motor. Audi’s weapon of choice is the 2.9-liter twin-turbo V6, which makes 444 horsepower and  442 ft-lbs of torque. This is the same motor Porsche uses in the new Panamera 4S. It also has a ZF 8-speed automatic, which is also the same as the Panamera. The previous RS5 had the 444 hp 4.2-liter V8 out of the R8, so kind of a downgrade in terms of parts sharing. How does this fresh new Audi stack up to the veteran Mercedes?

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Motor Trend‘s Head 2 Head is in Wales to compare these two amazing rivals and reveal a new host. Jethro Bovingdon, an English bloke, is known for his ability to give wonderful reviews, while driving sideways on camera. Jonny Lieberman and Jethro start behind the wheel of the gorgeous green Audi RS5 and head out onto the lush Welsh backroads. The RS Audi has a 40/60 front to rear torque split on its Quattro system. Also to combat understeer, the RS5 has a torque vectoring rear differential.

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Behind the wheel, Jethro pushes the RS5 and finds the handling to be very neutral and balanced. The two host dig into the details and both really enjoy the Audi, until they drive the Mercedes. Once in the AMG the 4.0-liter twin-turbo V8 steals the show. The hosts are blown away by the performance and sound of the AMG V8. As they point out, the C63 S has faults, such as the old MCT transmission and overly loud exhaust. Watch the video to find out which German coupe takes the win and let us know what you think in the comments.

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Patrick Stevenson is an Internet Brands' contributor to 6SpeedOnline, Honda-Tech, Corvette Forums, 5series.net, and MBworld. He is also a host on The Motor Affair Podcast.

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