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CayennevsCaymanPetrol
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  • SpecsCayenne · Cayman

Porsche Cayenne 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 Coupe

3,980 €per year

12,2 L/100 km weighted · 26.53 € per 100 km · 1 834 L per year

Gap188 € per yearin favour of the Cayenne Coupe (−5 %)≈ 87 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 % motorway4,446 €5,528 €1,082 € · Cayenne
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway3,980 €4,168 €188 € · Cayenne
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,618 €3,353 €265 € · Cayman

Cumulative saving for the Cayenne Coupe

1 year
188 €
3 years
565 €
5 years
942 €
10 years
1,883 €

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

What produces these figures

WLTP combined
11.7 L/100 km · 10.3 L/100 km
Powertrain
Combustion · Combustion
Power
340 ch · 330 ch
Kerb weight
2,115 kg · 1,320 kg

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Frequently asked questions

On a 100 km mixed trip, the Porsche Cayenne 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 Coupe is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.