2020 D1 Grand Prix series

The 2020-21 Gran Turismo D1 Grand Prix series is the twentieth season of D1 Grand Prix series which started at Okuibuki Motorpark on 24 July 2020 and ended at Tsukuba Circuit on 31 January 2021. The season was supposed to start on 16 May, but was delayed due to the COVID-19 pandemic.

Masashi Yokoi entered the season as the defending champion.

Teams and drivers
Due to COVID-19 travel restrictions, only Japanese drivers participated in the season, with no foreigners competing.

Drivers' ranking
Note :


 * Bold : Tsuiso (Dual-run) Winner
 * Italic : Tanso (Single-run) WInner

Tanso series ranking
Note :

Bold : Tanso (Single-run) Winner

Teams' ranking
Source : 2020 D1GP series ranking