That's how the first musclecars were brewed, and it's one of the philosophies behind Audi's newest 2004 Audi S4. ... Based on the new-for-'02 A4 platform, the S4 addresses both issues.

The previous-generation Audi S4 sports sedan drew power from a 340-hp, 4.2-liter V-8. A generation before that, a 250-hp, twin-turbo 2.7-liter V-6 powered the S4. When the 2010 S4 goes on sale in ...

For the 2004 model year, the Audi S4 received a major redesign and reengineering. A Cabriolet version of the Audi S4 was added alongside the sedan and wagon. The all-new look of the 2004 Audi S4 was ...

The WD Detailing crew turns around an Audi S4 disaster, revealing a stunning transformation inside and out. A woman who ...

Shop Audi S4 wagons for sale at Cars.com. Research, compare, and save listings, or contact sellers directly from 6 S4 models nationwide.

The 2010 Audi S4 drops the 4.2-liter V8 for a 3.0 supercharged V6 with less power and a strange "T" badge. Is that the recipe for a sport sedan finally capable of besting arch-rival BMW and making ...

Read our full 2015 Audi S4 review for pros, cons, pricing, and expert insights. Our editors test drive over 200 vehicles a year to help car shoppers pick the right vehicle for them.

So, the drivetrain in the S4 is Audi's tried-and-true 3.0-liter turbocharged V6 that makes a healthy, if unexceptional, 349 hp and 369 lb-ft of torque. It's not earth-shattering, ...

Shop Audi S4 convertibles for sale at Cars.com. Research, compare, and save listings, or contact sellers directly from 13 S4 models nationwide.