Audi aftermarket specialist ABT Sportsline has unveiled its latest project based on the Audi A4, which includes power upgrades and a new aerodynamic body kit for both the sedan and wagon variants. Power boosts are as follows: the 3.0-liter TDI can be upped by 55 horsepower and 51 pound-feet of torque to 300 hp and 420 lb-ft; the 2.0-liter TDI can be increased to 205 hp and 310 lb-ft; the 1.8-liter TFSI can be raised from 170 to 211 hp, while the 2.0-liter TFSI can be tuned to deliver 270 hp, up from 211.