MTM Supercharged Audi S4 German tuners MTM have given the Audi S4 and S5 Cabrio enough power to compete with their up-trimmed siblings. Through the use of their M-Cantronic ECU system, MTM has given the two cars – both powered by the 3.0 TFSI V6 engine – 430 horsepower,... Read more

2010 Audi S4 Audi just sent out an email to newsletter subscribers to check out the new 2010 S4, which is now featured on their customer-facing AudiUSA.com website. The A4 is a fantastic vehicle, and serves as a high quality, luxurious and sporty version of a mid-range sedan. The... Read more