Audi 5-cylinder 20v Turbo Engine Specs

The Audi 5-cylinder 20v Turbo is a 2.2-liter turbocharged inline-five petrol engine produced from 1991 to 2002, one of the most distinctive and celebrated engines in Audi's history and a direct spiritual successor to the original Audi five-cylinder engines that helped establish the brand's rallying and performance reputation in the 1980s. It powered a range of Audi's most desirable performance models of the era, including the S2, S4, and the legendary RS2 Avant - a car co-developed with Porsche and widely regarded as one of the first genuinely fast performance estate cars.

Producing 220hp and 285Nm of torque from 2,226cc, the 20v Turbo uses a DOHC 20-valve head (four valves per cylinder across five cylinders), a single turbocharger, and a compression ratio of 9.3:1, delivering a distinctive five-cylinder engine note that remains one of the most characterful sounds in Audi's back catalog, combined with genuinely strong turbocharged performance for its era, particularly when paired with Audi's quattro all-wheel-drive system across most of its applications.

As a now-classic performance engine approaching or exceeding three decades of age in any surviving example, ownership considerations lean heavily toward those of a classic or enthusiast car rather than everyday transportation. The timing belt is a critical, interference-engine component and must be replaced strictly on schedule, and given the age of these engines, verifying this history thoroughly - including the water pump, which should be replaced concurrently - is essential before purchase. Turbocharger health depends heavily on oil quality and consistent change intervals, and any example with an unclear maintenance history should be assessed carefully by a specialist familiar with these engines. Given the RS2 and S2's significant collector value, provenance, originality, and documented history matter enormously to both value and mechanical confidence, and buyers should seek out cars with thorough service records and, ideally, verification from an Audi or Audi-quattro specialist rather than a general workshop unfamiliar with this specific engine family's quirks.