Jeep Wrangler Unlimited vs Mercedes-Benz GLC 400 e 4MATIC: real-world fuel use
In real life the Mercedes-Benz GLC 400 e 4MATIC uses 2.7 L/100 km less fuel than the Jeep Wrangler Unlimited — about £573 a year at 15,000 km and £1.40/L.
2,289 cars in the data
Jeep Wrangler Unlimited2.4×the official figure
Official
3.6
Real world
8.6
0510 L/100 km
5,764 cars in the data
Mercedes-Benz GLC 400 e 4MATIC10.9×the official figure
Official
0.5
Real world
5.9
0510 L/100 km
| Jeep Wrangler Unlimited | Mercedes-Benz GLC 400 e 4MATIC | |
|---|---|---|
| Real fuel use (L/100 km) | 8.6 | 5.9 |
| Official fuel use (L/100 km) | 3.6 | 0.5 |
| Gap vs official | 2.4× | 10.9× |
| Distance with engine off | 8% | 41% |
| Real CO2 from fuel (g/km) | 199 | 136 |
| Official electric range (km) | 44 | 127 |
| Average kerb weight (kg) | 2,369 | 2,351 |
| Cars in the data | 2,289 | 5,764 |
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 GLC 400 e 4MATIC comes out ahead for the average owner. Your own result depends mostly on how often you charge. Owners drive the Jeep Wrangler Unlimited 8% of the time with the engine off, and the Mercedes-Benz GLC 400 e 4MATIC 41%. Run the calculator with your own driving.