They may set car enthusiasts' hearts aflutter, but performance cars are often niche models that struggle to justify their existence with sales. But the Audi RS6 Avant isn't one of those unfortunate ...

Many modern-day performance cars feature turbocharging as a method of improving fuel economy without sacrificing power. While they might not sound as good as a naturally-aspirated V8, they benefit ...

The idea of a family wagon embarrassing low-slung exotics at the drag strip sounds like internet folklore, yet the twin-turbo V10 Audi RS6 has turned that fantasy into repeatable reality. With four ...