TeamEditor für Grand Prix 4 ist eine Multifunktionswerkzeug, mit dem Kamerapositionen am Fahrzeug, Reifentexturen, Performancedaten und diverse Teameinstellungen geändert werden können.

Features (Quelle: Entwicklerhomepage):

- All onboard cameras editing
- Realtime preview of any modification on the 11 team's carshapes
- Textures preview through CamTextures folder (have to be converted to .tga before all)
- Car, Cockpit, Helmet and Tyre shapes directly imported from game
- Team Management and swapping
- Missing texture list built from all cars you installed in GP4
- Drivers' arm and tyre rims color editing for each team
- 4 wheels position editing (once for all cars)
- Tyre brands editing for each team
- Helmets position editing for each team
- External steering wheel position editing for each team
- Internal steering wheel and Dashboards position editing
- High Quality settings for cars, front tyres, rear tyres and helmet shapes
- Team and Driver Performances editing
- Performance Calculator to preview ingame drivers' balance
- Completely free choice of TeamEditor's data to save in .car files
- Performances files Import and Export (*.g4p/*.txt)
- Preview and management of Driver's and Grid car's images
- Windows XP Interface and 3D Display code optimisation
- New : TeamEditor User Guide + Annex dedicated to car modders