ABT spices up the Audi S1 with 306HP under the hood!
The Audi S1 is not really what you would call slow, especially with a turbocharged 2.0-liter four cylinder engine that pushes out 231-horsepower and 273 lb-ft of torque. But obviously that is not enough in the eyes of the tuner ABT, so this cute little hatchback has received a blessing of more power and a …
