Jul 7, 2023 · While the days of the IMSA silhouette cars are long gone, the legacy of the Audi 90 GTO speaks for itself. If it wasn’t for this car, and its SCCA older brother, Audi simply wouldn’t exist as we …

Feb 7, 2024 · Founded in 1966, two different classes of modified road cars were the original combatants; the first race was held at Sebring, and was won by Jochen Rindt in an Alfa Romeo GTA …

When those turbo flutters kick in, they raise the hairs on the arms of petrolheads worldwide. Famously driven by Hans-Joachim Stuck, Walter Röhrl and Hurley Haywood, the Audi 90 Quattro IMSA...

1989 Audi 90 Quattro IMSA GTO specs, lap times, performance data, engine specifications, pictures, updated August 2025.

Power was supplied by a five cylinder, 2190 ccm engine equipped with a KKK turbocharger. With Hans Stuck and Trans-Am champion Hurley Haywood at the controls, the Audi 90 GTO dominated IMSA …

Mar 18, 2013 · While the GT moniker suggested the IMSA GTO cars were production based, they were actually purpose-built racers with a silhouette body, which still somewhat resembled the road-going …

Only the silhouette of the Audi 90 quattro was retained: under the GTO’s carbon-fibre skin was a pure racing car. The five-cylinder engine, in its final development stage, produced 529 kW (720 bhp), and …

All specifications, performance and fuel economy data of Audi 90 Quattro IMSA-GTO (529.5 kW / 720 PS / 710 hp), edition of the year 1989 for North America racing/rallye , including acceleration times 0 …

Dec 18, 2022 · That is how the 90 Quattro IMSA GTO burst onto the scene and changed American sports car racing once and for all. Audi was in the midst of developing a prototype for Group B and S …

Nov 22, 2023 · As the Audi 90 quattro IMSA GTO was still under development at the start of the season, the car only made its debut in Miami. After Audi had therefore skipped the two highlights of the …