Audi S8 sport sedan 2013 officially presented in late August 2011, and after almost a year specialists from the Abt Sportsline company announced a revised version of the flagship model of the automaker from Ingolstadt. Recall that under the hood of the base version installed S8 520-horsepower gasoline engine V8 with a twin-turbocharged, which sedan accelerates from zero to a hundred in 4.2 seconds, which can be called without an excellent indicator. But tuning modification Audi AS8 of ABT studio can boast the increased impact of the engine to 620 “horses”, while peak torque has increased from standard 650 to 780 Nm. Now it is gaining hundred sedan from standstill in 4.0 seconds, and the electronic speed limiter shifted from 250 to 290 km/h. From Audi AS8 visual differences can be noted only a lowered suspension and branded wheels from ABT, available with a diameter of 19 and 20 inches. The cost of improvements in the company did not specify.