Mercedes-Benz AMG S 63 e Performance vs Porsche Cayenne Turbo S E-Hybrid: real-world fuel use
In real life the Porsche Cayenne Turbo S E-Hybrid uses 1.9 L/100 km less fuel than the Mercedes-Benz AMG S 63 e Performance — about £409 a year at 15,000 km and £1.40/L.
1,010 cars in the data
Mercedes-Benz AMG S 63 e Performance3.2×the official figure
Official
4.4
Real world
14.1
0715 L/100 km
890 cars in the data
Porsche Cayenne Turbo S E-Hybrid3.2×the official figure
Official
3.8
Real world
12.2
0715 L/100 km
| Mercedes-Benz AMG S 63 e Performance | Porsche Cayenne Turbo S E-Hybrid | |
|---|---|---|
| Real fuel use (L/100 km) | 14.1 | 12.2 |
| Official fuel use (L/100 km) | 4.4 | 3.8 |
| Gap vs official | 3.2× | 3.2× |
| Distance with engine off | 12% | 18% |
| Real CO2 from fuel (g/km) | 326 | 281 |
| Official electric range (km) | 32 | 43 |
| Average kerb weight (kg) | 2,605 | 2,592 |
| Cars in the data | 1,010 | 890 |
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 Cayenne 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 S 63 e Performance 12% of the time with the engine off, and the Porsche Cayenne Turbo S E-Hybrid 18%. Run the calculator with your own driving.