PorschePetrol
911 GT3 991.1
Annual energy cost · 15 000 km
4 304€
28,70 € / 100 km
Equivalent to 2 163 L of petrol 95 per year
- Weighted consumption
- 14,4 L/100km
- Fuel price
- 1,99 €/L
- Fuel used
- 2163,0 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
28,70 € / 100 km
Equivalent to 2 163 L of petrol 95 per year
Annual energy cost · 15 000 km
19,45 € / 100 km
Equivalent to 1 466 L of petrol 95 per year
Porsche Cayman 981 costs 1 387 €/an less in energy than Porsche 911 GT3 991.1, over 15 000 km for this driving mix.
≈ 697 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
1 387 €
≈ 697 L petrol 95
3 years
4 161 €
≈ 2091 L petrol 95
5 years
6 935 €
≈ 3485 L petrol 95
10 years
13 870 €
≈ 6970 L petrol 95
Cumulative savings for Porsche Cayman 981 versus Porsche 911 GT3 991.1. 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 | 0,287 €/km | 4 304 € |
| Fuel | km/year | €/km | Annual cost |
|---|---|---|---|
| Annual fuel1,99 €/L | 15 000 km | 0,194 €/km | 2 917 € |
On a 100 km mixed trip, the Porsche Cayman is about 30% cheaper than the Porsche 911 GT3 with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.
The Porsche Cayman is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.