2013 Audi S4 - Mission Impossible
Dennis Tang entrusted Tag Motorsports with his 2013 Audi S4 and was rewarded with a sedan version of the latest RS4.
2011 Audi S4 - S4 Rising
We test Revo’s 410hp Audi S4 software and are amazed at the results.
2012 Audi A4 and S4 - Web Exclusive
The new look for the A4 is said to further accentuates the horizontal lines at the front-end.