PorschePetrolMost economical
911 Turbo S Cabriolet 991.1
Annual energy cost · 15 000 km
3 582€
23,88 € / 100 km
Equivalent to 1 800 L of petrol 95 per year
- Weighted consumption
- 12,0 L/100km
- Fuel price
- 1,99 €/L
- Fuel used
- 1800,0 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
23,88 € / 100 km
Equivalent to 1 800 L of petrol 95 per year
Annual energy cost · 15 000 km
25,65 € / 100 km
Equivalent to 1 933 L of petrol 95 per year
Porsche 911 Turbo S Cabriolet 991.1 costs 265 €/an less in energy than Porsche Boxster 987, over 15 000 km for this driving mix.
≈ 133 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
265 €
≈ 133 L petrol 95
3 years
796 €
≈ 400 L petrol 95
5 years
1 327 €
≈ 667 L petrol 95
10 years
2 654 €
≈ 1334 L petrol 95
Cumulative savings for Porsche 911 Turbo S Cabriolet 991.1 versus Porsche Boxster 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 | 0,239 €/km | 3 582 € |
| Fuel | km/year | €/km | Annual cost |
|---|---|---|---|
| Annual fuel1,99 €/L | 15 000 km | 0,256 €/km | 3 847 € |
On a 100 km mixed trip, the Porsche 911 Turbo S Cabriolet and Porsche Boxster have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.
The Porsche 911 Turbo S Cabriolet is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.