Expert Opinion: The Audi RS5 Coupe is up against some strong rivals and slides into battle with a 444 hp twin-turbo V6, quattro AWD, and a range of suspension and performance upgrades over the mid ...

Rumors have it that this will have the same twin-turbo 2.9-liter V6 as in the current RS5. But with the Mercedes-AMG C63 making 671 horsepower, Audi will need to go way up over the 444 hp it ...

These tweaks help the RS5 competition plus hit 60 in 3.8 seconds, 0.1 seconds quicker than the standard RS5. To find out if it's actually better to drive, we'll have to wait for it to go on sale ...

And is that exhaust really stock? However, the hero of the race is the blue Audi RS5 Coup e. While its 2.9-liter twin-turbo V6 only makes 450 PS, or 444 hp.

Both models made the same power, 444 hp (Audi used to say "450 hp", but that was a lie). But the twin-turbo 2.9-liter V6 has about 50% more torque delivered at low rpm, so it's faster.

Both the two-door RS5 Coupe and four-door Sportback are powered by a 2.9-liter V6 bi-turbo engine generating 444 horsepower and a healthy 442 pound-feet of torque, and both have Quattro all-wheel ...

Nothing has been touched in the engine bay, as both facelifted RS5 models feature the same 2.9-liter twin-turbo V6 TFSI gasoline engine delivering 450 PS (444 HP) at 5,700-6,700 rpm and 600 Nm ...

Audi has revised its RS5 Coupe and Sportback models, giving them a more aggressive appearance and new MMI touch technology. The 444 HP 2.9-liter TFSI twin turbo V6 unit however remains the same.

The newly turbocharged sport coupe trades the old RS5's naturally aspirated 4.2L V8 with a sky-high 8,200rpm redline and 420hp (313 kW) for a twin-turbo 2.9L V6 that shuts down by 6,500.