This underrated compact sedan has big power at a relatively small price.

This 2018 Audi RS3 Sedan in Daytona Gray Pearl, with 43,500 miles, is expertly maintained with Unitronic Stage 2+ Flex Tune and premium packages for luxury and performance.

Audi is marking 50 years of its five-cylinder engine with a special edition of the RS3 called the Competition Limited. Offered in both Sportback and Sedan forms, the model brings a handful of visual ...