The new century begins with another year driving with Boris Said and BMW Team PTG in the ALMS.  Hans finishes first at Sears Point, but gets disqualified because of an oversized fuel cell. He also takes first place at Laguna Seca, second at Mosport and third at Las Vegas. He wins the VW Beetle Cup in Road Atlanta from 14th place on the grid.

This year Hans is primarily active in North America. He competes in the American Le Mans Series and the United States Road Racing Championship with BMW Team PTG in a BMW M3. He claims GT victories at Lime Rock Park and Sears Point Raceway and finishes runner-up at Mosport and Petit Le Mans, Atlanta. He wins the American Le Mans Series GT Personality of the Year award, presented by Le Mans Series & Sportscar Racer magazine.

Hans and his team achieve a unique success. In the 24-hour race at the Nürburgring, he drives a BMW 320d with Andy Bovensiepen, Christian Menzel and Marc Duez. They take overall victory – the first victory for a car with a diesel engine. He also takes second place at the ISRS Championship at the Nürburgring with Steve Soper in a Riley & Scott BMW prototype. Furthermore, he is employed as a development driver for the BMW V12 LMR, and is behind the wheel at the car’s first outing in the Le Mans 24-hour race.

This year Hans not only stars on the track. As well as writing Formula One columns for the BILD newspaper, he is also active as a co-commentator for television broadcaster RTL throughout the ADAC Super Touring Car Championship. Despite this, he also takes the wheel of a Porsche GT1 with Thierry Boutsen, and competes in the International GT Series for Porsche.

Hans drives an Opel Calibra for Team Rosberg in the International Touring Car Championship.  Victory in Helsinki helped him to sixth place in the overall standings. He becomes GT winner of the 12-hour race at Sebring with Bill Adam in a Champion Porsche 930 turbo, and GT winner in the 24 Hours of Le Mans with Bob Wollek and Thierry Boutsen in a Porsche GT1. He scores German BPR Series wins at Brands Hatch and Spa- Francorchamps with Thierry Boutsen in a Porsche GT1.

Hans takes fourth place in the German ADAC Super Touring Car Cup driving an Audi Quattro. In a Porsche 930 he finishes second in the 12 Hours at Sebring and another second in the 6 Hours of Watkins Glen U.S. IMSA Championship in a Porsche 930 turbo – both with Bill Adam. Again with Bill Adam, he takes another second in the 3-hour race at Sears Point. With Thierry Boutsen in a Kremer Spyder Porsche 962, he takes third place in the 24 Hours of Le Mans, France.

In the 24 Hours of Le Mans, with Thierry Boutsen and Danny Sullivan, Hans takes third place in a Porsche 962. He wins the Watkins Glen 6-hour race in the IMSA Championship with Walter Röhrl in a Porsche 930 turbo. He also wins the Touring Car World Final at Donington, driving for Germany in an Audi Quattro.

Hans wins the title in the U.S. IMSA Supercar Championship in a Porsche 930. He has an incredible tally with nine wins and 11 pole positions. In addition, he wins the 12 Hours at Sebring with Walter Röhrl in a Porsche 930 turbo.

In this year the Audi works team withdrew from the German Touring Car Championship mid-season.  Hans took second at Nürburgring Germany, and had two wins at the U.S. IMSA Supercar Championship in a Porsche 930 turbo.

In the German Touring Car Championship, Hans takes third in an Audi V8 Quattro with wins at Norisring, Diepholz and Singen. He also records three wins in the U.S. IMSA Supercar Championship in a Brumos Porsche 930 turbo.