After a year off, the Roush Stage 3 is charging into model-year 2012 known simply as the RS3, now capitalizing on the basic greatness of Ford’s new 5.0L Coyote engine for a 540hp ROUSHcharged ...

2015 Audi RS3 Sportback: Looks to ... cars have S3 versions, equipped with 300 horsepower 2-liter turbo ... cut from the suspension will ensure this car will be a rally stage refugee on ...

Last time we reported on the 2015 Roush Stage 3 Mustang, a.k.a. RS3, the company had just opened the order banks and hinted to us that the final output figure of the RS3’s supercharged 5.0-liter ...

Eventuri takes on the 2017 Audi RS3 8V! Watch as we install the Eventuri intake and unlock more power with a Stage 1 tune. Performance gains, sound improvements, and a deeper dive into what makes ...

It turns out we were pretty close, as Roush has officially announced the Stage 3 Mustang, or RS3 for short, makes a mighty 670 hp and 545 lb-ft of torque. 0:00 / 0:00.

With the latest generation of the Audi RS3 having gained the German carmaker's monstrous 2.5-liter five-cylinder turbo, the hot compact became the kind of machine that can easily punch above its ...