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Tesla Model X Long Range vs Porsche Cayenne S: 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 · 2020 vs 2013 · 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

ATesla Model X Long Range

645 €per year

21,5 kWh/100 km weighted · 4.30 € per 100 km · 3 225 kWh per year

Gap3,619 € per yearin favour of the Model X Long Range (−85 %)≈ 1,668 L petrol 95
BPorsche Cayenne S

4,264 €per year

13,1 L/100 km weighted · 28.43 € per 100 km · 1 965 L per year

The verdict changes with your usage
ProfileSplitAA · ModelBB · CayenneGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway617 €4,590 €3,973 € · Model
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway645 €4,264 €3,619 € · Model
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway651 €3,926 €3,274 € · Model

Cumulative saving for the Model X Long Range

1 year
3,619 €
3 years
10,856 €
5 years
18,094 €
10 years
36,188 €

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

What produces these figures

WLTP combined
22.6 kWh/100 km · 13.1 L/100 km
Powertrain
Fully electric · Combustion
Power
670 ch · 420 ch
Kerb weight
2,459 kg · 2,065 kg

Other similar comparisons

TeslaVSBMW

Model X Long Range vs iX xDrive50

gap 40 €/year
PorscheVSAudi

Cayenne S vs Q7 SUV

gap 999 €/year
TeslaVSBMW

Model X Long Range vs iX xDrive40

gap 26 €/year
PorscheVSAudi

Cayenne S vs Q7 SUV

gap 1 056 €/year

Frequently asked questions

On a 100 km mixed trip, the Tesla Model X Long Range is about 85% cheaper than the Porsche Cayenne S with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the Tesla Model X Long Range is 507 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

The Tesla Model X Long Range is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.

Model
· Cayenne