According to the website, that state that it's all about the wheels, roadsters and horsepower. And that games like Forza Motorsport 2 and Gran Turismo 5 have hundreds of different cars and thousands of different parts to add to said cars, but neither game will have the kind of vehicles or extension of customizable parts that are featured in Borderlands.
130°
220°
180°
40°
Ad 
30°
20°
40°
40°
40°
30°
