PorschePetrolMost economical
Cayman S 981
Annual energy cost · 15 000 km
3 822€
25,48 € / 100 km
Equivalent to 1 921 L of petrol 95 per year
- Weighted consumption
- 12,8 L/100km
- Fuel price
- 1,99 €/L
- Fuel used
- 1920,8 L per year
Consumption comparison
Same car, two powertrains. The simulator below calculates the gap based on your mileage and charging type.
Annual mileage
15 000 km/an
Simulated driving mix
Drag anywhere on the bar to adjust
Fuel price
Petrol 95 : 1,99 €/L·Diesel : 1,75 €/L
Typical annual usage : Mix 30% city / 50% road / 20% motorway
Annual energy cost · 15 000 km
25,48 € / 100 km
Equivalent to 1 921 L of petrol 95 per year
Annual energy cost · 15 000 km
25,85 € / 100 km
Equivalent to 1 948 L of petrol 95 per year
Porsche Cayman S 981 costs 55 €/an less in energy than Porsche Boxster Spyder 987, over 15 000 km for this driving mix.
≈ 28 L of petrol 95 saved per year
Cumulative projection by annual mileage. The cheaper-to-run vehicle widens the gap year after year.
1 year
55 €
≈ 28 L petrol 95
3 years
165 €
≈ 83 L petrol 95
5 years
275 €
≈ 138 L petrol 95
10 years
551 €
≈ 277 L petrol 95
Cumulative savings for Porsche Cayman S 981 versus Porsche Boxster Spyder 987. Excluding purchase, insurance, maintenance and depreciation.
Projection over 15 000 km/year.
| Fuel | km/year | €/km | Annual cost |
|---|---|---|---|
| Annual fuel1,99 €/L | 15 000 km | 0,255 €/km | 3 822 € |
| Fuel | km/year | €/km | Annual cost |
|---|---|---|---|
| Annual fuel1,99 €/L | 15 000 km | 0,258 €/km | 3 877 € |
On a 100 km mixed trip, the Porsche Cayman S and Porsche Boxster Spyder have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.
The Porsche Cayman S is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.