Beastly 900 HP Audi RS6 Makes Mincemeat of Modded BMW M3

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Audi RS6 vs BMW M3

With relatively equal power to weight ratios, this Audi RS6 uses sheer muscle to drive past a BMW M3 in every single race.

One could successfully argue that any Audi RS car is wicked quick, and they’d be absolutely right. Straight out of the box, these high-performance machines are quite powerful and capable, but as is usually the case, the right tune can make then even more so. We’ve seen this time and time again over they years, and now, we’re seeing it again with what might be the fastest Audi RS6 on the planet, which recently took on an equally modified BMW M3 in a drag race hosted by the folks behind the Officially Gassed YouTube channel.

This particular Audi RS6 has been modified in many ways, starting under the hood, where its twin-turbocharged 4.0-liter V8 was warmed over by the folks at QS Tuning. It features a stage 3+ ECU and TCU upgrade, a pair of TTE1020 turbos, CSF intercoolers, QST downpipes, exhaust, an Eventuri intake, and a QST MAP sensor. The results are a cool 916 horsepower, which flows to all four wheels via Michelin Pilot Sport 4 tires.

Audi RS6 vs BMW M3

With a perfect 3-0 record on this particular channel, the Audi RS6 seems to have its hands full on this particular day running against an 800 horsepower BMW M3 with a twin-turbo 3.0-liter flat-six, as it’s a bit lighter – around 3,924 pounds versus the wagon’s 4,574 pound curb weight. However, in the very first roll race, the Audi RS6 walks away from the BMW like it’s standing still, making easy work of the less powerful yet also lighter performance sedan.

Audi RS6 vs BMW M3

The second roll race produced essentially the same result, albeit with a slightly closer margin of victory of roughly two cars. However, the two move on to the series of dig races, which can oftentimes go far different than those that take place from a roll. This time, the M3 gets the jump and an early lead, but the Audi quickly chases it down, a feat that it repeats for the second and final dig race.

Given the power to weight ratios of these two cars – which are essentially even – it’s somewhat surprising to see one dominate the other in such fashion, but it’s clear that the Audi makes up for its weight disadvantage with pure power – just like the good old days of hot rodding, albeit in a large, family-friendly wagon.

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Brett Foote has been covering the automotive industry for over five years and is a longtime contributor to Internet Brands’ Auto Group sites, including Chevrolet Forum, Rennlist, and Ford Truck Enthusiasts, among other popular sites.
He has been an automotive enthusiast since the day he came into this world and rode home from the hospital in a first-gen Mustang, and he's been wrenching on them nearly as long.
In addition to his expertise writing about cars, trucks, motorcycles, and every other type of automobile, Brett had spent several years running parts for local auto dealerships.
You can follow along with his builds and various automotive shenanigans on Instagram: @bfoote.


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