The 2012 Avon Tyres British GT season was the 20th season of the British GT Championship. The season began on 9 April at Oulton Park and finished on 30 September at Donington Park, after ten rounds held over seven meetings. Motorbase Performance drivers Michael Caine and Daniele Perfetti won the GT3 category in a Porsche 997 GT3-R, Team WFR's Jody Fanin and Warren Hughes won the GT4 championship driving a Ginetta G50, while Ryan Hooker and Gary Eastwood took the GTC title in a Ferrari 458 Challenge driving for FF Corse.