(http://media.il.edmunds-media.com/audi/senner-a1/ns/audi_senner-a1_f34_ns_12011_196.jpg) The German tuning house boosts output on Audi's baby to 154 horsepower.
Source: Senner Fine-Tunes Audi A1 (http://www.insideline.com:80/audi/a1/senner-fine-tunes-audi-a1.html)