BMW 550e xDrive vs Mercedes-Benz E 300 de 4MATIC: real-world fuel use

In real life the Mercedes-Benz E 300 de 4MATIC uses 1.2 L/100 km less fuel than the BMW 550e xDrive — about £256 a year at 15,000 km and £1.40/L.
1,500 cars in the data
BMW 550e xDrive
8.0×the official figure
Official
0.9
Real world
7.1
0510 L/100 km
Full BMW 550e xDrive data →
9,905 cars in the data
Mercedes-Benz E 300 de 4MATIC
4.9×the official figure
Official
1.2
Real world
5.9
0510 L/100 km
Full Mercedes-Benz E 300 de 4MATIC data →
BMW 550e xDriveMercedes-Benz E 300 de 4MATIC
Real fuel use (L/100 km)7.15.9
Official fuel use (L/100 km)0.91.2
Gap vs official8.0×4.9×
Distance with engine off29%16%
Real CO2 from fuel (g/km)164156
Official electric range (km)8762
Average kerb weight (kg)2,2322,244
Cars in the data1,5009,905
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 E 300 de 4MATIC comes out ahead for the average owner. Your own result depends mostly on how often you charge. Owners drive the BMW 550e xDrive 29% of the time with the engine off, and the Mercedes-Benz E 300 de 4MATIC 16%. Run the calculator with your own driving.

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