AVUS Performance has released a customized version of the Audi A4 Avant and renamed it the A4 Avant Black Arrow. The German tuning firm kept the stock motor set which is a 2.7-liter turbo diesel engine. Tweaking the engine with their Stage 1 ECU tuning upgrade they were able to obtain 230 hp and 358 ft lbs of torque. Factory numbers from Audi show 190 hp with 295 ft lbs of torque. AVUS also offers performance kits for the 2.0 TDI and 3.0 TDI diesel versions. The exterior of the car was painted all black, hence the name Black Arrow, and several other modifications were included.