GTO - Grand touring-type cars with engines of 2.5L displacement or more, [5] the letter O meaning "over 2.5L". The GTO class was dominated by Corvettes, then by Shelby Mustangs, and then various factory teams consisting of Cougars, 280zxs, Celicas and finally, 300ZXs.

Grand Touring Over (GTO)[1] is the name of a former classification designated to grand touring cars competing in the IMSA GT Championship, and later by Grand-Am in the Rolex Sports Car Series. IMSA used the class between 1971 and 1991, [2] and Grand-Am used the class for a single season in 2000.

Mar 14, 2016 · The 1989 IMSA GTO Audi 90 which was the first car with all-wheel drive to compete in the championship.

The 1985 Camel GT Championship season was the 15th season of the IMSA GT Championship auto racing series. It was for prototypes in the existing GTP class and new, smaller Lights class, as well as Grand Tourer-style racing cars which ran in the GTO and GTU classes.It began on February 2, 1985, and ended on December 1, 1985, after seventeen rounds.

New Mustang GT3 Claims First IMSA GTD PRO Win; AWA Corvette, Tower ORECA Win GTD, LMP2

By 1985 Roush had taken over Ford's IMSA program from the company's in-house Special Vehicle Operations, and the results were almost instantaneous: the Mustang GTO won the manufacturer's title, and repeated as champions the following year.

The 1986 Toyota Celica IMSA GTO represents an opportunity to own a championship-winning design that remained competitive until taking its very last checkered flag—not to mention one that’s a rare example of a successful partnership between American engineering talent and Japanese muscle.

Jul 13, 2015 · After upsetting the Trans-Am officials as well as team and drivers and being pushed out of the championship through a specific rule banning all-wheel drive system for 1989, Audi departed and focused on the rival championship known as the IMSA Camel GT Championship with the Audi 90 IMSA GTO.

Jul 7, 2023 · To this end, Audi signed up for the 1989 IMSA season in the GTO category. And yes, in this category, they got to keep their AWD, and their trademark 5-cylinder lifted from the Quattro S1 E2. Haywood’s car being prepped in the Sears Point garage. IMSA’s an entirely different beast than Trans Am.

May 26, 2009 · The IMSA Audi 90 GTO was one of the wildest, most technologically advanced four-door race cars to ever hit the tracks. It was basically a 700bhp AWD Group B rally car engine-drive train package, mated to a space frame chassis, and draped with a carbon fiber silhouette body.