2021 BMW 540i xDrive vs Audi A6 quattro — Side by Side Comparison

How does the 2021 BMW 540i xDrive compare to the Audi A6 quattro? We put them side by side using EPA fuel economy data and NHTSA safety ratings.

Specifications Comparison

FeatureBMW 540i xDriveAudi A6 quattro
Combined MPG2626
City MPG2323
Highway MPG3131
Body StyleSedanSedan
DriveAWDAWD
Fuel TypePremiumPremium
Safety RatingN/A / 5N/A / 5
Recalls00
Trims Available12

Fuel Economy

The Audi A6 quattro is more fuel efficient by 0 MPG combined. Over a year, the BMW 540i xDrive saves approximately $200 in fuel costs.

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