BMW M760e xDrive vs Mercedes-Benz S 580 e 4MATIC: real-world fuel use
In real life the Mercedes-Benz S 580 e 4MATIC uses 1.7 L/100 km less fuel than the BMW M760e xDrive — about £351 a year at 15,000 km and £1.40/L.
1,030 cars in the data
BMW M760e xDrive7.5×the official figure
Official
1.2
Real world
8.7
0510 L/100 km
2,113 cars in the data
Mercedes-Benz S 580 e 4MATIC9.5×the official figure
Official
0.7
Real world
7.1
0510 L/100 km
| BMW M760e xDrive | Mercedes-Benz S 580 e 4MATIC | |
|---|---|---|
| Real fuel use (L/100 km) | 8.7 | 7.1 |
| Official fuel use (L/100 km) | 1.2 | 0.7 |
| Gap vs official | 7.5× | 9.5× |
| Distance with engine off | 22% | 30% |
| Real CO2 from fuel (g/km) | 202 | 163 |
| Official electric range (km) | 77 | 105 |
| Average kerb weight (kg) | 2,525 | 2,439 |
| Cars in the data | 1,030 | 2,113 |
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 4MATIC comes out ahead for the average owner. Your own result depends mostly on how often you charge. Owners drive the BMW M760e xDrive 22% of the time with the engine off, and the Mercedes-Benz S 580 e 4MATIC 30%. Run the calculator with your own driving.