Car Wars (Sixth Edition)

From BoardGameGeek:

Car Wars is a game featuring arenas and freeways of the future in which the right of way goes to those with the biggest guns. Players build their vehicle - complete with weapons, armor, suspension, and upgrades. Then they take them onto the road or into the arena. Sixth Edition is a streamlined update of the classic Car Wars. Quicker to build your car, quicker to learn to play, quicker to jump right in.