Larger, sleeker, and better equipped, the all-new A4 sedan and Avant goes on sale in September starting at $32,700 and $34,500, respectfully. It will again be offered in front- and all-wheel drive, with a base turbocharged four-cylinder. New for 2009, the 2.0 TFSI engine features more horsepower (211...

Among the redesigned cars quietly heading to a showroom near you is the larger, sleeker, and more refined 2009 Audi A4 sedan and Avant wagon. On the auto show circuit this year, the A4 blended in with the expanding portfolio of models, seeming lost beside the A5, Q5, TT, and numerous S models. However...