In Norway, the GT4 class refers to a specific category of sports car racing that follows the international GT4 regulations set by the FIA. Cars competing in the Norwegian GT4 class adhere to these regulations, which dictate certain specifications for the vehicles to ensure fair competition and control costs.

The Norwegian GT4 class involves races and championships held within Norway. These races feature cars that meet the GT4 criteria, which often include modified production-based vehicles from various manufacturers, with limitations on performance to maintain competitiveness.

Racing events in the Norwegian GT4 class provide a platform for drivers and teams to compete in a professional racing environment, showcasing their skills and the capabilities of these modified sports cars while entertaining motorsport enthusiasts across Norway.

Technical rules

There is several technical regulations for the cars, but the main regulation for a GT4 car is:

The power to weight ration is set to 4,9 for NA engines and 5,5 for turbo/supercharged cars. With a maximum of 250hp at the wheels.

Minimum weight 1000kg

Tires:
Dry: Toyo Proxes R888R
Wet: Toyo Proxes TR1
Maximum 255mm width

Wheels:
18×10″ Maximum.