Fleg

Official site: http://www.racer.nl/ Completely free and there are tons and tons of mods for it.

Since 1981, the name GEMBALLA has been synonymous with bespoke tuned cars based on Porsche vehicles. Prior to that, the firm worked on a small handful of other premium brands by special request. In the ensuing years, innovative milestones were laid down by GEMBALLA, whose visionary ideas set the tone for the burgeoning luxury car personalisation industry. No other name is so strongly linked to the early days of aftermarket tuning, particularly working on Porsche vehicles.

…ofcourse there is HKS Drag 180SX but R33 takes the cake because of the 4WD.