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Tesla Model X P100D vs BMW iX xDrive40: which is cheaper to run?

What each kilometre costs, depending on your driving profile and how you charge. Annual projection and cumulative savings over 10 years.

large SUV · 2017 vs 2021 · 15,000 km/an · Mixed · Home 0.20 €/kWh · Methodology
Annual mileage
15,000 km
5,000 km50,000 km
Driving mix

30 % City · 50 % Road · 20 % Motorway

Charging type

Result · yearly energy cost

ATesla Model X P100D

682 €per year

22,7 kWh/100 km weighted · 4.55 € per 100 km · 3 411 kWh per year

Gap18 € per yearin favour of the iX xDrive40 (−3 %)≈ 8 L petrol 95
BBMW iX xDrive40

665 €per year

22,2 kWh/100 km weighted · 4.43 € per 100 km · 3 323 kWh per year

The verdict changes with your usage
ProfileSplitAA · ModelBB · iXGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway678 €566 €113 € · iX
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway682 €665 €Nearly level
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway686 €786 €100 € · Model

Cumulative saving for the iX xDrive40

1 year
18 €
3 years
53 €
5 years
88 €
10 years
176 €

Energy only. Excludes purchase, insurance, servicing, depreciation.

What produces these figures

WLTP combined
22.8 kWh/100 km · 21.3 kWh/100 km
Powertrain
Fully electric · Fully electric
Power
762 ch · 326 ch
Kerb weight
2,468 kg · 2,440 kg

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Frequently asked questions

On a 100 km mixed trip, the Tesla Model X P100D and BMW iX xDrive40 have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

Tesla Model X P100D offers more range: 465 km vs 425 km for BMW iX xDrive40 (WLTP/EPA). In real motorway use, expect 10-20% less depending on temperature.

The BMW iX xDrive40 is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.

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