Though it’s more expensive than ever, the updated and feature-rich 2025 Audi A3 and S3 make a fab case for the primo, pint-size sports sedan.

The A8 is Audi’s largest, most luxurious and most expensive sedan. Sitting above the mid-size A6, the A8 competes with the BMW 7 Series, Mercedes-Benz S-Class and Genesis G90. The A8’s cabin ...