Mercedes-Benz C 400 e 4MATIC vs Volvo S90: real-world fuel use
In real life the Mercedes-Benz C 400 e 4MATIC uses 0.4 L/100 km less fuel than the Volvo S90 — about £80 a year at 15,000 km and £1.40/L.
385 cars in the data
Mercedes-Benz C 400 e 4MATIC10.1×the official figure
Official
0.6
Real world
6.3
0510 L/100 km
1,844 cars in the data
Volvo S905.7×the official figure
Official
1.2
Real world
6.7
0510 L/100 km
| Mercedes-Benz C 400 e 4MATIC | Volvo S90 | |
|---|---|---|
| Real fuel use (L/100 km) | 6.3 | 6.7 |
| Official fuel use (L/100 km) | 0.6 | 1.2 |
| Gap vs official | 10.1× | 5.7× |
| Distance with engine off | 32% | 23% |
| Real CO2 from fuel (g/km) | 145 | 154 |
| Official electric range (km) | 108 | 78 |
| Average kerb weight (kg) | 2,137 | 2,113 |
| Cars in the data | 385 | 1,844 |
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 C 400 e 4MATIC comes out ahead for the average owner. Your own result depends mostly on how often you charge. Owners drive the Mercedes-Benz C 400 e 4MATIC 32% of the time with the engine off, and the Volvo S90 23%. Run the calculator with your own driving.