The Audi S3 was updated for the 2025 model year, with some impressive performance changes from last year's model.

in the form of a new torque-splitting differential that was pilfered from the RS3's parts bin. It can send all available rear-axle power to a single rear wheel, changing the S3's perceived balance.

VERDICT Audi updated the S3 with extra power and a trick new rear differential and the result is an even more entertaining small sports sedan.

Sticking with the base car — we’ll get to the medium-hot S3 in a bit — some new equipment standardization and trim tweaks make it more compelling. Inside, the biggest headlines are the new ...