I actually make this design in Rocket League Sideswipe so I decided to make this exact design in Rocket League instead. Then here it is, I call this design 'Cartoon Octane' made by Electroxical

Car Design:

Body: Titanium White Octane

Decals: Grey Edgewise

Wheels: Grey Tunica

Boosts: Black Standard

Trails: Black Classic

Paint finish (P): Matte

Paint finish (S): Glossy