Mercedes-Benz S 580 e vs Porsche Panamera 4S E-Hybrid: real-world fuel use
In real life the Mercedes-Benz S 580 e uses 2.6 L/100 km less fuel than the Porsche Panamera 4S E-Hybrid — about £548 a year at 15,000 km and £1.40/L.
1,509 cars in the data
Mercedes-Benz S 580 e9.9×the official figure
Official
0.7
Real world
7.2
0715 L/100 km
1,488 cars in the data
Porsche Panamera 4S E-Hybrid4.0×the official figure
Official
2.4
Real world
9.8
0715 L/100 km
| Mercedes-Benz S 580 e | Porsche Panamera 4S E-Hybrid | |
|---|---|---|
| Real fuel use (L/100 km) | 7.2 | 9.8 |
| Official fuel use (L/100 km) | 0.7 | 2.4 |
| Gap vs official | 9.9× | 4.0× |
| Distance with engine off | 29% | 43% |
| Real CO2 from fuel (g/km) | 165 | 226 |
| Official electric range (km) | 106 | 55 |
| Average kerb weight (kg) | 2,391 | 2,312 |
| Cars in the data | 1,509 | 1,488 |
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 Mercedes-Benz S 580 e comes out ahead for the average owner. Your own result depends mostly on how often you charge. Owners drive the Mercedes-Benz S 580 e 29% of the time with the engine off, and the Porsche Panamera 4S E-Hybrid 43%. Run the calculator with your own driving.