If you need any more reason to watch the video above than Walter Röhrl and a pair of 600-hp Audi rally cars, you might want to reassess your life.

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Also joining the fun, piloting the Audi S1 EKS RX, rallycross car is team owner and rally driver Mattias Ekstrom. Röhrl, of course, pilots both the new car and the Ur-Quattro S1 of Group B fame and the car he once piloted in World Rally Championship competition.

The Audi S1 EKS RX features a 2.0-liter, 600-plus-horspeower engine driving all four wheels to deliver 0-60 mph acceleration as quick as 2.0 seconds—in the dirt. The car competed in this year’s World Rallycross championship.

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Here, you can watch the Swede and the legendary German put the car to the test at the Estering rallycross test track in Germany over the recent holiday.

Watch and see what this pair of S1s, separated by 30 years worth of technology, can do when put together on the track.