What a year for Audi!  The brand is launching its first vehicles built on its new Premium Platform Combustion (PPC) ...

The Audi Q5 is one of the most popular models in one of the most popular segments in the USA. To say the compact luxury ...

Let's take a look at how this 45-year-old technology actually works and why it's still used on millions of cars today.

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration ...

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration ...

The Audi Sport Quattro Concept is powered by a 700-horsepower twin-turbo 4.0-liter V-8. Senior Features Editor Jonny Lieberman brings you the details from the 2013 Frankfurt Auto Show.