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
25,85 € / 100 km
Equivalent to 1 948 L of petrol 95 per year
Porsche Boxster Spyder 987 costs 427 €/an less in energy than Porsche 911 GT3 991.1, over 15 000 km for this driving mix.
≈ 215 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
427 €
≈ 215 L petrol 95
3 years
1 281 €
≈ 644 L petrol 95
5 years
2 135 €
≈ 1073 L petrol 95
10 years
4 270 €
≈ 2146 L petrol 95
Cumulative savings for Porsche Boxster Spyder 987 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 | 0,258 €/km | 3 877 € |
On a 100 km mixed trip, the Porsche Boxster Spyder is about 10% cheaper than the Porsche 911 GT3 with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.
The Porsche Boxster Spyder is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.