Audi Q8 55 TFSI e vs Mercedes-Benz GLE 400 e 4MATIC Coupe: real-world fuel use
In real life the Mercedes-Benz GLE 400 e 4MATIC Coupe uses 2.2 L/100 km less fuel than the Audi Q8 55 TFSI e — about £464 a year at 15,000 km and £1.40/L.
1,364 cars in the data
Audi Q8 55 TFSI e4.0×the official figure
Official
2.5
Real world
10.1
0715 L/100 km
1,623 cars in the data
Mercedes-Benz GLE 400 e 4MATIC Coupe8.5×the official figure
Official
0.9
Real world
7.9
0715 L/100 km
| Audi Q8 55 TFSI e | Mercedes-Benz GLE 400 e 4MATIC Coupe | |
|---|---|---|
| Real fuel use (L/100 km) | 10.1 | 7.9 |
| Official fuel use (L/100 km) | 2.5 | 0.9 |
| Gap vs official | 4.0× | 8.5× |
| Distance with engine off | 20% | 32% |
| Real CO2 from fuel (g/km) | 233 | 182 |
| Official electric range (km) | 55 | 100 |
| Average kerb weight (kg) | 2,512 | 2,670 |
| Cars in the data | 1,364 | 1,623 |
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 GLE 400 e 4MATIC Coupe comes out ahead for the average owner. Your own result depends mostly on how often you charge. Owners drive the Audi Q8 55 TFSI e 20% of the time with the engine off, and the Mercedes-Benz GLE 400 e 4MATIC Coupe 32%. Run the calculator with your own driving.