The latest Audi A4 is one of the best-looking cars on the ... a Eurocode front-mount intercooler and a custom exhaust and downpipe from ES Technical Roadsports. Open the trunk and you're ...

Exhaust and tuning specialists Milltek have just branched out into retro cars with a product line called Milltek Classic. The flagship piece appears to be a custom system for the legendary Audi Ur ...

You see, all of the A4 facelift models were supposed to have fake exhaust pipes ... "probably" because the A4 isn't as profitable for Audi as its SUVs. On the other hand, competition in this ...

Effectively a form of natural gas made from plants, the fuel was used this week to speed a modified B7 Audi A4 quattro to a new bio-gas world speed record of 226.6mph (364.6km/h). Despite running ...