Numerous upgrades differentiate the RS 3 from the already-sporty Audi S3, starting under the hood. The RS model features a unique turbocharged 2.5-liter five-cylinder engine, connected to a seven-speed dual-clutch transmission and all-wheel drive (AWD). The inline-five has been associated with the four-ring brand since its introduction in the 1976 Audi 100. With added turbocharging, it powered the legendary Audi Quattro to rally victories across the globe, transforming Audi from an anonymous maker of dowdy sedans to a motorsports and engineering powerhouse.
Today’s turbo-five produces 394 horsepower and 369 pound-feet of torque, increases of 66 hp and 74 lb-ft of torque over the turbocharged 2.0-liter inline-four that powers the Audi S3. Straight-line acceleration is predictably brutal, with an Audi-estimated zero to 60 mph time of 3.6 seconds. That’s 0.1 second over the two-door BMW M2 CS, and 0.4 second quicker than the 416-hp Mercedes-AMG CLA 45 S. Top speed is electronically limited to 155 mph, or 180 mph with the summer tires that come with the optional Dynamic Plus Package. A Nürburgring lap time of 7:33.123—a record for compact cars, Audi claims—provides further bragging rights.
Other RS-specific hardware includes adaptive damping, a brake-based torque-vectoring system, available carbon-ceramic front brakes (also part of the Dynamic Plus Package) and the RS Torque Splitter, which replaces a limited-slip differential with multidisc clutches for each rear axle, that sends extra power to the outside rear wheel to help reduce understeer. For 2025, Audi recalibrated the software controlling these features for better response when cornering, which helps make a new Audi RS 3 more than just a compelling collection of specs.
A powerful turbocharged engine, quick-shifting dual-clutch gearbox, and AWD grip is a familiar recipe for drama-free performance, but the 2025 RS 3’s chassis tuning makes all the difference. Even while the torque-splitting clutches are shunting twisting force in all directions, the RS 3 feels consistent and linear. And unlike so many cars that rely on technology to raise the limits of performance, it still feels engaging. This car’s small size helps with that, but Audi deserves credit for keeping the driver involved rather than just trying to spread a safety net around them.
Switch from the maximum-attack RS Performance and RS Individual modes (one is the factory setting, the other is customizable), and the RS 3 becomes a reasonably civilized daily driver. In Efficiency, Comfort, Auto, or Dynamic modes, the adaptive dampers and gearshifts soften up enough that your passengers won’t complain. Wind noise is also minimal, so the distinctive sound of the five-cylinder engine won’t be interrupted.