2025 Mercedes-Benz Amg Glc63 S E Performance (Coupe) vs Audi RS 6 Avant — Side by Side Comparison

How does the 2025 Mercedes-Benz Amg Glc63 S E Performance (Coupe) compare to the Audi RS 6 Avant? We put them side by side using EPA fuel economy data and NHTSA safety ratings.

Specifications Comparison

FeatureMercedes-Benz Amg Glc63 S E Performance (Coupe)Audi RS 6 Avant
Combined MPG2017
City MPG1914
Highway MPG2121
Body StyleWagonWagon
DriveAWDAWD
Fuel TypePHEVPremium
Safety RatingN/A / 5N/A / 5
Recalls00
Trims Available11

Fuel Economy

The Mercedes-Benz Amg Glc63 S E Performance (Coupe) is more fuel efficient by 3 MPG combined. Over a year, the Mercedes-Benz Amg Glc63 S E Performance (Coupe) saves approximately $550 in fuel costs.

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