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CayennevsCaymanPetrol
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  • SpecsCayenne · Cayman

Porsche Cayenne S Coupe vs Porsche Cayman 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 2014 · 15,000 km/an · Mixed · Petrol 95 2.17 €/L · 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

Result · yearly energy cost

APorsche Cayenne S Coupe

4,116 €per year

12,6 L/100 km weighted · 27.44 € per 100 km · 1 897 L per year

Gap52 € per yearin favour of the Cayenne S Coupe (−1 %)≈ 24 L petrol 95
BPorsche Cayman S

4,168 €per year

12,8 L/100 km weighted · 27.79 € per 100 km · 1 921 L per year

The verdict changes with your usage
ProfileSplitAA · CayenneBB · CaymanGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway4,598 €5,528 €930 € · Cayenne
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway4,116 €4,168 €Nearly level
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,742 €3,353 €389 € · Cayman

Cumulative saving for the Cayenne S Coupe

1 year
52 €
3 years
157 €
5 years
261 €
10 years
523 €

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

What produces these figures

WLTP combined
12.1 L/100 km · 10.3 L/100 km
Powertrain
Combustion · Combustion
Power
420 ch · 330 ch
Kerb weight
2,143 kg · 1,320 kg

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Z4 M40i vs Cayman S

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Frequently asked questions

On a 100 km mixed trip, the Porsche Cayenne S Coupe and Porsche Cayman S have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

The Porsche Cayenne S Coupe is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.