GT Cup 2026 Season Guide

7 GROUPS The GT Cup Championship welcomes a wide range of GT machinery, ensuring competitive racing across multiple performance levels. Cars are grouped by their maximum lap- time potential, allowing different generations and types of GT cars to compete fairly and safely. GTO – Open Specification A flexible category designed for high-performance and specialist GT machinery that sits outside conventional homologation. GTO provides a competitive home for exciting machinery that no longer fits into other championships. GT3 – FIA GT3 Cars For current or recently-homologated GT3 machinery running to regulation specification. This Group is ideal for teams and drivers seeking a highly professional GT racing environment. GTC – Recent Manufacturer Cup/Challenge Cars Designed for modern, high performance Cup and Challenge models currently racing in single make series, or have within the last five years. GTC offers close competition for drivers stepping up from one-make series. GTB – Older Cup Cars & Modified GT Vehicles For older high performance Cup or Challenge cars, no longer eligible for GTC competition, current lower powered Challenge cars, and modified saloon-based GT-style machinery. GTB gives a competitive home for reliable, well-loved machinery. GTH For currently Homologated GT Cars running to the manufacturer’s GT4 specification This is one of the championship’s most popular and competitive Groups. GTA – Lower-Spec GT Cars For older Cup / Challenge cars with reduced power, or older manufacturer GT4 models no longer homologated.GTA is ideal for cost-effective GT racing and developing drivers. Not sure which group you belong in? We are always happy to help. Send your car details to [email protected] and we will confirm your Group assignment before you register. *See 2026 GT Cup Sporting & Technical Regulations for further details