2018 Ginetta GT4 Supercup
The 2018 Michelin Ginetta GT4 Supercup is a multi-event, one make GT motor racing championship held across England and Scotland. The championship features a mix of professional motor racing teams and privately funded drivers, competing in Ginetta G55s that conform to the technical regulations for the championship. It forms part of the extensive program of support categories built up around the BTCC centrepiece. It is the eighth Ginetta GT4 Supercup, having rebranded from the Ginetta G50 Cup, which ran between 2008 and 2010. The season commenced on 1 April at Brands Hatch – on the circuit's Indy configuration – and concludes on 30 September at the same venue, utilising the Grand Prix circuit, after twenty-two races held at eight meetings, all in support of the 2017 British Touring Car Championship season.
Teams and drivers
Race calendar
| Round | Circuit | Date | Pole Position | Fastest Lap | Winner Driver | Winning Team | Winning Am Driver |
| 1 | Brands Hatch | 7 April |  Charlie Ladell | Charlie Ladell | Charlie Ladell | Rob Boston Racing | Jack Minshaw |
| 1 | Brands Hatch | 8 April | Charlie Ladell | Charlie Ladell | Rob Boston Racing | Michael Crees | |
| 1 | Brands Hatch | 8 April | Carl Boardley | Carl Boardley | Team HARD | Michael Crees | |
| 2 | Donington Park | 28 April | Harry King | Harry King | Charlie Ladell | Rob Boston Racing | Michael Crees |
| 2 | Donington Park | 29 April | Charlie Ladell | Tom Roche | Rob Boston Racing | Colin White | |
| 2 | Donington Park | 29 April | Carl Boardley | Harry King | Elite Motorsport | Colin White | |
| 3 | Oulton Park | 9 June | Charlie Ladell | Charlie Ladell | Charlie Ladell | Rob Boston Racing | David Brooks |
| 3 | Oulton Park | 10 June | Charlie Ladell | Charlie Ladell | Rob Boston Racing | Colin White | |
| 4 | Croft Circuit | 23 June | Angus Fender | Angus Fender | Carl Boardley | Team HARD | Michael Crees |
| 4 | Croft Circuit | 24 June | Charlie Ladell | Carl Boardley | Team HARD | Jack Minshaw | |
| 4 | Croft Circuit | 24 June | Jac Constable | Carl Boardley | Team HARD | Michael Crees | |
| 5 | Snetterton Circuit | 28 July | Harry King | Harry King | Harry King | Elite Motorsport | Michael Crees |
| 5 | Snetterton Circuit | 29 July | Tom Roche | Harry King | Elite Motorsport | Michael Crees | |
| 5 | Snetterton Circuit | 29 July | Adam Shepherd | Charlie Ladell | Rob Boston Racing | Colin White | |
| 6 | Rockingham Motor Speedway | 11 August | Tom Roche | Jac Constable | Tom Roche | Rob Boston Racing | Michael Crees |
| 6 | Rockingham Motor Speedway | 12 August | Carl Boardley | Carl Boardley | Team HARD | Colin White | |
| 6 | Rockingham Motor Speedway | 12 August | Harry King | Harry King | Elite Motorsport | Michael Crees | |
| 7 | Silverstone Circuit | 15 September | Charlie Ladell | Tom Roche | Charlie Ladell | Rob Boston Racing | Michael Crees |
| 7 | Silverstone Circuit | 15 September | Tom Roche | Charlie Ladell | Rob Boston Racing | Michael Crees | |
| 7 | Silverstone Circuit | 16 September | Tom Roche | Carl Boardley | Team HARD | Michael Crees | |
| 8 | Brands Hatch | 29 September | Charlie Ladell | Carl Boardley | Charlie Ladell | Rob Boston Racing | Jack Minshaw |
| 8 | Brands Hatch | 30 September | Angus Fender | Charlie Ladell | Rob Boston Racing | Colin White | |
| 8 | Brands Hatch | 30 September | Tom Roche | Tom Roche | Rob Boston Racing | Colin White |
Championship standings
;Notes- A driver's best 22 scores counted towards the championship, with any other points being discarded.
Drivers' championships