| | Upcoming |
28 Jun 26 | Sahlen's Six Hours of The Glen |
12 Jul 26 | Chevrolet Grand Prix |
02 Aug 26 | Motul SportsCar Endurance Grand Prix |
23 Aug 26 | Michelin GT Challenge at VIR |
20 Sep 26 | TireRack.com Battle On The Bricks |
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| | Results |
30 May 26 | Chevrolet Detroit Grand Prix Presented By Lear |
03 May 26 | Motul Course de Monterey |
18 Apr 26 | Acura Grand Prix of Long Beach |
21 Mar 26 | Mobil 1 Twelve Hours of Sebring |
25 Jan 26 | Rolex 24 At DAYTONA |
Gottfried Grasser GmbH racing as GRT Grasser Racing Team is an Austrian racing team. The team has raced in various Group GT3 based racing series with support from Lamborghini since 2015.
In 2004 Gottfried Grasser started the development of gthe Grasser-Ultima GTR. The Ultima GTR was introduced in 1999 by Ultima Sports. The car was raced in various championships such as the 2002 24 Hours of Daytona. After building the kit car Grasser tested it at the Pannonia Ring to conclude that the whole car had to be modified to compete in motorsports. With support from tire manufacturer Yokohama. The car was fitted with crashboxes, a flat bottom and diffuser. The car was fitted with a Porsche engine that was redeveloped by Richmond Racing Engines.