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CayennePetrolvsiXBEV
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Porsche Cayenne Turbo 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 · 2014 vs 2021 · 15,000 km/an · Mixed · Petrol 95 2.17 €/L · Home 0.20 €/kWh · Methodology
Annual mileage
15,000 km
5,000 km50,000 km
Driving mix

30 % City · 50 % Road · 20 % Motorway

Fuel price
Petrol 95 2.17 €/L · Diesel 2.38 €/Lprix-carburants.gouv.fr — moyenne nationale du 05/10/2026 ; EDF Tarif Bleu Base au 01/08/2026 ; DC autoroute : moyenne des réseaux sans abonnement
Charging type

Result · yearly energy cost

APorsche Cayenne Turbo

4,476 €per year

13,8 L/100 km weighted · 29.84 € per 100 km · 2 063 L per year

Gap3,811 € per yearin favour of the iX xDrive40 (−85 %)≈ 1,756 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 · CayenneBB · iXGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway4,874 €566 €4,309 € · iX
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway4,476 €665 €3,811 € · iX
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway4,049 €786 €3,263 € · iX

Cumulative saving for the iX xDrive40

1 year
3,811 €
3 years
11,432 €
5 years
19,054 €
10 years
38,107 €

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

What produces these figures

WLTP combined
13.8 L/100 km · 21.3 kWh/100 km
Powertrain
Combustion · Fully electric
Power
520 ch · 326 ch
Kerb weight
2,170 kg · 2,440 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW iX xDrive40 is about 85% cheaper than the Porsche Cayenne Turbo with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the BMW iX xDrive40 is 425 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

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.

Cayenne
· iX