[Tim_Rocks]

Car Shop. -Fully Customized Car- Example: Color, Wheelz, Stripes, Colored HeadLights.
What I Was Thinking Is You Could Change The Wheels For Different Terrains.
For Example: When You Drive On The Grass Or Sand Your Car Slows Down, I Was Thinking Different Types Of Wheeles For What Ever You Plan On Doing.
The Cheap Wheels Would Be For Just Roads.
The Exspensive Wheels Would Be For All Terrain, Which Makes It So Your Car Only Slows Down A Little Bit On Grass Or Sand.

I posted this on my Suggestions and i think it could work with your idea and have buy able trunk spaces like upgrades and such...