The legendary 1989 Audi 90 quattro IMSA GTO is one of the most iconic and best-sounding race cars ever built. Powered by a 2.2-liter 20-valve turbocharged five-cylinder engine producing around 720 HP, this brutal quattro machine delivers an unforgettable combination of raw power, turbo flutter and old-school motorsport noise.

In this onboard, uncut footage, former Audi works driver Hans-Joachim Stuck takes the legendary IMSA GTO around the Salzburgring. With its screaming five-cylinder engine and unmistakable turbocharger sounds echoing around the circuit, this is pure 1980s racing magic. Audi’s IMSA GTO program went on to achieve seven victories during the 1989 season, cementing the Audi 90’s place in motorsport history. For more content like this one follow us also on Facebook, Pinterest or Instagram!