The 2018 British GT Championship was the 26th British GT Championship, a sports car championship promoted by the Stéphane Ratel Organisation (SRO). The season began on 31 March at Oulton Park and finished on 23 September at Donington Park, after nine rounds held over seven meetings.
The calendar for the 2018 season was announced on 29 July 2017. All races except Belgian round at Spa, were held in the United Kingdom.
Bold indicates overall winner for each car class (GT3 and GT4).
Points are awarded as follows:
<sup>1</sup> â Driver scored 5 points for being fastest in the Am Driver qualifying session.