MG RX6 vs Opel Grandland (incl. Grandland X): real-world fuel use
In real life the Opel Grandland (incl. Grandland X) uses 0.6 L/100 km less fuel than the MG RX6 — about £130 a year at 15,000 km and £1.40/L.
1,300 cars in the data
MG RX63.5×the official figure
Official
1.8
Real world
6.3
0510 L/100 km
2,820 cars in the data
Opel Grandland (incl. Grandland X)4.3×the official figure
Official
1.3
Real world
5.7
0510 L/100 km
| MG RX6 | Opel Grandland (incl. Grandland X) | |
|---|---|---|
| Real fuel use (L/100 km) | 6.3 | 5.7 |
| Official fuel use (L/100 km) | 1.8 | 1.3 |
| Gap vs official | 3.5× | 4.3× |
| Distance with engine off | 21% | — |
| Real CO2 from fuel (g/km) | 146 | 131 |
| Official electric range (km) | 52 | 63 |
| Average kerb weight (kg) | 1,840 | 1,834 |
| Cars in the data | 1,300 | 2,820 |
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 Opel Grandland (incl. Grandland X) comes out ahead for the average owner. Your own result depends mostly on how often you charge. Run the calculator with your own driving.