Mercedes-Benz AMG C 63 S e Performance vs Porsche Panamera Turbo S E-Hybrid: real-world fuel use

In real life the Porsche Panamera Turbo S E-Hybrid uses 2.1 L/100 km less fuel than the Mercedes-Benz AMG C 63 S e Performance — about £437 a year at 15,000 km and £1.40/L.
2.0×the official figure
Official
6.8
Real world
13.8
0715 L/100 km
Full Mercedes-Benz AMG C 63 S e Performance data →
4.3×the official figure
Official
2.7
Real world
11.7
0715 L/100 km
Full Porsche Panamera Turbo S E-Hybrid data →
Mercedes-Benz AMG C 63 S e PerformancePorsche Panamera Turbo S E-Hybrid
Real fuel use (L/100 km)13.811.7
Official fuel use (L/100 km)6.82.7
Gap vs official2.0×4.3×
Distance with engine off10%21%
Real CO2 from fuel (g/km)319271
Official electric range (km)1353
Average kerb weight (kg)2,1772,439
Cars in the data837425
Bold = better. Source: EEA OBFCM real-world data, reporting year 2024, CC BY 4.0.

Which one is cheaper to run?

On fuel alone, the Porsche Panamera Turbo S E-Hybrid comes out ahead for the average owner. Your own result depends mostly on how often you charge. Owners drive the Mercedes-Benz AMG C 63 S e Performance 10% of the time with the engine off, and the Porsche Panamera Turbo S E-Hybrid 21%. Run the calculator with your own driving.

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