The jump to in the 2021 patch was huge. It turned the Switch version into the definitive portable racing sim, rivaling the PS3/Xbox 360 versions of the original game.

This makes the 18361741 NSP the definitive, "complete" version of the game. If you see a version claiming to be v1.6 or v2.0, it is likely a modded fan patch, not an official Nintendo release.

Access the Vehicle Upgrades menu through your garage or the Paddock Area before a race starts.

| Specification | Detail | | :--- | :--- | | | v1.5.0 (Build 18361741) | | Release Date (NA/EU) | June 14, 2021 | | File Size (NSP) | 2.1 GB (Approx.) | | Base Game Required | GRID Autosport (Base NSP v1.0) | | Required Firmware | Switch FW 12.0.0+ | | Signature Check | Requires SigPatches (for CFW users) |

Added 2-player split-screen and 8-player local wireless play.