2025 Audi S4 Review. Research the ratings, prices, pictures, mpg and more. The fast but not flashy 2025 audi s4 is particularly appealing for its adherence to traditionally stealthy german sport sedan principles.
So we are expecting the new audi s4 to offer similar combined/city/highway mileage of 24/21/29 mpge. Every s4 comes with the same powertrain and wheels, but the trim levels reflect.