2025 Mercedes-Benz Amg Sl55 4matic Plus vs Porsche 911 Turbo Cabriolet — Side by Side Comparison

How does the 2025 Mercedes-Benz Amg Sl55 4matic Plus compare to the Porsche 911 Turbo Cabriolet? We put them side by side using EPA fuel economy data and NHTSA safety ratings.

Specifications Comparison

FeatureMercedes-Benz Amg Sl55 4matic PlusPorsche 911 Turbo Cabriolet
Combined MPG1616
City MPG1314
Highway MPG2120
Body StyleCompact SedanCompact Sedan
DriveAWDAWD
Fuel TypePremiumPremium
Safety RatingN/A / 5N/A / 5
Recalls00
Trims Available11

Fuel Economy

The Porsche 911 Turbo Cabriolet is more fuel efficient by 0 MPG combined. Over a year, the Porsche 911 Turbo Cabriolet saves approximately $0 in fuel costs.

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