Audi Q8 55 TFSI e vs BMW X5 xDrive50e: real-world fuel use
In real life the BMW X5 xDrive50e uses 2.9 L/100 km less fuel than the Audi Q8 55 TFSI e — about £607 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
13,089 cars in the data
BMW X5 xDrive50e8.3×the official figure
Official
0.9
Real world
7.2
0715 L/100 km
| Audi Q8 55 TFSI e | BMW X5 xDrive50e | |
|---|---|---|
| Real fuel use (L/100 km) | 10.1 | 7.2 |
| Official fuel use (L/100 km) | 2.5 | 0.9 |
| Gap vs official | 4.0× | 8.3× |
| Distance with engine off | 20% | 36% |
| Real CO2 from fuel (g/km) | 233 | 166 |
| Official electric range (km) | 55 | 103 |
| Average kerb weight (kg) | 2,512 | 2,495 |
| Cars in the data | 1,364 | 13,089 |
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 X5 xDrive50e 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 BMW X5 xDrive50e 36%. Run the calculator with your own driving.