GM has participated over the years in the World Touring Car Championship (WTCC), 24 Hours of Le Mans, NASCAR, SCCA, and many other world venues.
GM's engines were highy successful in the Indy Racing League (IRL) throughout the 1990s, winning many races in the small V-8 class. GM has also done much work in the development of electronics for GM auto racing. An unmodified Aurora V-8 in the Aerotech, captured 47 world records, including the record for speed endurance in the Motorsports Hall of Fame of America. Recently, the Cadillac V-Series has entered motorsports racing.
GM has also used many cars in the American racing series NASCAR. Currently the Chevrolet Impala is the only entry in the series but in the past the Pontiac Grand Prix, Buick Regal, Oldsmobile Cutlass, Chevrolet Lumina, Chevrolet Malibu, and the Chevrolet Monte Carlo were also used. GM has won a total of 40 NASCAR Sprint Cup Series manufacturer's championships, including 34 with Chevrolet, the most of any make in NASCAR history, 3 with Oldsmobile, 2 with Buick, and 1 with Pontiac. GM leads all other automobile manufacturers in races won in NASCAR's premier series at 1,011. Chevrolet leads individual makes with 677 wins.
In Australia, there is the V8 Supercar Championship which is battled out by the two main rivals of (GM) Holden and Ford. The current Holden Racing Team cars are based on the Holden Commodore and run a 5.0-litre V8-cylinder engine producing 635 bhp (474 kW). These cars have a top speed of 298 km/h (185 mph) and run 0–100 km/h in 3.8 seconds. The Holden Racing Team is Australia's most successful team in Australian Touring Car History. In 2006 & 2007, the Drivers championship was won by the very closely linked HSV Dealer Team.
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