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Cayennevs718Petrol
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  • SpecsCayenne · 718

Porsche Cayenne Turbo vs Porsche 718 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 · 2015 vs 2018 · 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 Turbo

3,844 €per year

11,8 L/100 km weighted · 25.62 € per 100 km · 1 771 L per year

Gap440 € per yearin favour of the Cayenne Turbo (−10 %)≈ 203 L petrol 95
BPorsche 718 Cayman S

4,283 €per year

13,2 L/100 km weighted · 28.56 € per 100 km · 1 974 L per year

The verdict changes with your usage
ProfileSplitAA · CayenneBB · 718Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway4,294 €5,575 €1,281 € · Cayenne
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway3,844 €4,283 €440 € · Cayenne
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,494 €3,516 €Nearly level

Cumulative saving for the Cayenne Turbo

1 year
440 €
3 years
1,319 €
5 years
2,199 €
10 years
4,397 €

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

What produces these figures

WLTP combined
11.3 L/100 km · 10.7 L/100 km
Powertrain
Combustion · Combustion
Power
520 ch · 350 ch
Kerb weight
2,185 kg · 1,355 kg

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Frequently asked questions

On a 100 km mixed trip, the Porsche Cayenne Turbo is about 10% cheaper than the Porsche 718 Cayman S with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

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