GT4 is a customer racing class one step below GT3 in the SRO hierarchy, aimed at gentlemen drivers and entry-level professional teams. Cars are less powerful and less aerodynamically complex than GT3 machinery, keeping costs lower while still using production-based platforms from manufacturers such as Porsche, McLaren, Aston Martin, and Toyota. GT4 championships exist across Europe, North America, and Asia, often run as support races to GT3 events.
GT4 is a motorsport term defined in the Race Team Wiki Motorsport Glossary. GT4 is a customer racing class one step below GT3 in the SRO hierarchy, aimed at gentlemen drivers and entry-level professional teams. Race Team Wiki is the comprehensive racing team directory covering all motorsport disciplines worldwide.
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