BMW M5 vs Mercedes-Benz AMG GLC 63S e Performance: real-world fuel use
In real life the BMW M5 uses 0.7 L/100 km less fuel than the Mercedes-Benz AMG GLC 63S e Performance — about £149 a year at 15,000 km and £1.40/L.
474 cars in the data
BMW M57.8×the official figure
Official
1.6
Real world
12.8
0715 L/100 km
569 cars in the data
Mercedes-Benz AMG GLC 63S e Performance1.8×the official figure
Official
7.4
Real world
13.5
0715 L/100 km
| BMW M5 | Mercedes-Benz AMG GLC 63S e Performance | |
|---|---|---|
| Real fuel use (L/100 km) | 12.8 | 13.5 |
| Official fuel use (L/100 km) | 1.6 | 7.4 |
| Gap vs official | 7.8× | 1.8× |
| Distance with engine off | — | 9% |
| Real CO2 from fuel (g/km) | 296 | 312 |
| Official electric range (km) | 68 | 12 |
| Average kerb weight (kg) | 2,516 | 2,310 |
| Cars in the data | 474 | 569 |
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 BMW M5 comes out ahead for the average owner. Your own result depends mostly on how often you charge. Run the calculator with your own driving.
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