New Audi A5/S5 replaces previous A5 and A4 models and impresses with its efficiency and keener drive.

T he distinction between the Audi S4 sedan and the coupe-sedan S5 Sportback has always been subtle, both cars offering four doors and turbo V6 power. Now Audi is simplifying matte

The archetypal sedan is dying, driven by a push towards crossovers and SUVs; but even with a push towards high-riding mass-market models, some brands are fighting to keep the sedan alive. Audi is one of them,

Successor to the current S5 Sportback, the new S5 is the first new model on Audi's last new combustion-engine vehicle architecture.

OK, so Audi changed the name. From here on out, the Audi A4 is gone. It’s dead. Kaput. Thirty years of history were thrown out the window and die-hard Audi fans are understandably big mad. The Audi A4 was always the car that Volkswagen Golf and Jetta owners aspired to afford when they got that promotion,

The 362-horsepower Audi S5 is shaper, nicer, and technically better than the car it replaces. But it's less thrilling, too.