In a battle of mid-size luxury sedans, Audi is throwing down the gauntlet with the redesigned V-6-only A6, taking on the long-standing six-cylinder BMW 540i. The Audi A6 has undergone significant revisions, shedding its V-8 and V-6 options in favor of a single V-6 powertrain, sparking questions about its performance and capabilities. Meanwhile, the BMW 540i has established itself as a stalwart in the segment, boasting a reputation for exceptional handling and refinement. As these two German luxury stalwarts clash, which will emerge victorious: the Audi A6's newfound efficiency or the BMW 540i's tried-and-true performance?


The redesigned V-6-only Audi A6 takes on the six-cylinder BMW 540i in a mid-size luxury-sedan showdown.