BMW XM vs Porsche Panamera Turbo S E-Hybrid: real-world fuel use

In real life the BMW XM uses 0.2 L/100 km less fuel than the Porsche Panamera Turbo S E-Hybrid — about £50 a year at 15,000 km and £1.40/L.
2,846 cars in the data
BMW XM
6.9×the official figure
Official
1.7
Real world
11.5
0715 L/100 km
Full BMW XM data →
4.3×the official figure
Official
2.7
Real world
11.7
0715 L/100 km
Full Porsche Panamera Turbo S E-Hybrid data →
BMW XMPorsche Panamera Turbo S E-Hybrid
Real fuel use (L/100 km)11.511.7
Official fuel use (L/100 km)1.72.7
Gap vs official6.9×4.3×
Distance with engine off33%21%
Real CO2 from fuel (g/km)266271
Official electric range (km)8153
Average kerb weight (kg)2,7852,439
Cars in the data2,846425
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 XM comes out ahead for the average owner. Your own result depends mostly on how often you charge. Owners drive the BMW XM 33% of the time with the engine off, and the Porsche Panamera Turbo S E-Hybrid 21%. Run the calculator with your own driving.

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