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  • SpecsPanamera · Cayman

Porsche Panamera 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.

limousine · 2018 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 Panamera

3,235 €per year

9,9 L/100 km weighted · 21.57 € per 100 km · 1 491 L per year

Gap933 € per yearin favour of the Panamera (−22 %)≈ 430 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 · PanameraBB · CaymanGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway3,486 €5,528 €2,042 € · Panamera
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway3,235 €4,168 €933 € · Panamera
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,008 €3,353 €345 € · Panamera

Cumulative saving for the Panamera

1 year
933 €
3 years
2,798 €
5 years
4,663 €
10 years
9,326 €

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

What produces these figures

WLTP combined
9.8 L/100 km · 10.3 L/100 km
Powertrain
Combustion · Combustion
Power
335 ch · 330 ch
Kerb weight
1,815 kg · 1,320 kg

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Frequently asked questions

On a 100 km mixed trip, the Porsche Panamera is about 20% cheaper than the Porsche Cayman S with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

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