Porsche 718 Petrol · 309 kW (420 hp)
Measured by the on-board fuel meters of 1,101 cars · 2024 data
Real-world consumption is 22% above official. 471 of the other 618 petrol cars in the data come closer to their official figure.
How much drivers actually use
Half of the cars use between 11.5 and 14.1 L/100 km. The most economical tenth stays under 10.7; the thirstiest tenth uses more than 16.0.
Each bar is a 0.5 L range; its height and the figure above it show what share of cars fall in that range.
Is my consumption normal?
What it costs to fuel
| Country | At official | At real | Difference |
|---|---|---|---|
| EU weighted average 2.01 €/L | €3,247 | €3,953 | +€706 |
| Austria 1.86 €/L | €3,013 | €3,668 | +€655 |
| Belgium 1.98 €/L | €3,194 | €3,888 | +€694 |
| Bulgaria 1.65 €/L | €2,664 | €3,243 | +€579 |
| Croatia 1.80 €/L | €2,913 | €3,546 | +€633 |
| Cyprus 1.76 €/L | €2,843 | €3,461 | +€618 |
| Czechia 1.86 €/L | €3,003 | €3,656 | +€653 |
| Denmark 2.66 €/L | €4,294 | €5,227 | +€933 |
| Estonia 1.92 €/L | €3,102 | €3,776 | +€674 |
| Finland 2.32 €/L | €3,746 | €4,560 | +€814 |
| France 2.21 €/L | €3,573 | €4,350 | +€776 |
| Germany 2.21 €/L | €3,577 | €4,354 | +€777 |
| Greece 2.20 €/L | €3,552 | €4,324 | +€772 |
| Hungary 1.75 €/L | €2,834 | €3,449 | +€616 |
| Ireland 1.98 €/L | €3,204 | €3,900 | +€696 |
| Italy 2.02 €/L | €3,265 | €3,974 | +€709 |
| Latvia 1.94 €/L | €3,139 | €3,821 | +€682 |
| Lithuania 1.93 €/L | €3,110 | €3,786 | +€676 |
| Luxembourg 1.88 €/L | €3,031 | €3,689 | +€658 |
| Malta 1.34 €/L | €2,165 | €2,635 | +€470 |
| Netherlands 2.46 €/L | €3,977 | €4,842 | +€864 |
| Poland 1.57 €/L | €2,536 | €3,087 | +€551 |
| Portugal 2.11 €/L | €3,409 | €4,149 | +€741 |
| Romania 1.90 €/L | €3,066 | €3,732 | +€666 |
| Slovakia 1.85 €/L | €2,982 | €3,630 | +€648 |
| Slovenia 1.76 €/L | €2,845 | €3,463 | +€618 |
| Spain 1.79 €/L | €2,892 | €3,520 | +€628 |
| Sweden 1.69 €/L | €2,733 | €3,327 | +€594 |
Fuel prices including taxes from the European Commission Weekly Oil Bulletin of 12 October 2026. Cost = consumption × price × distance. The default distance is an example; change it to yours.
Other Porsche 718 engines
| Engine | cars | Official (WLTP) | Real world | Gap |
|---|---|---|---|---|
| Petrol · 294 kW (400 hp) | 1,395 | 10.2 | 11.3 | +11% |
| Petrol · 220 kW (299 hp) | 1,337 | 9.0 | 10.5 | +17% |
| Petrol · 309 kW (420 hp) | 1,101 | 10.8 | 13.1 | +22% |
| Petrol · 368 kW (500 hp) | 855 | 13.1 | 16.5 | +26% |
| Petrol · 257 kW (349 hp) | 141 | 9.7 | 12.4 | +28% |
Similar cars from other models
Same powertrain, similar power and weight.
| Model and engine | cars | Official (WLTP) | Real world | Gap |
|---|---|---|---|---|
| Porsche 911 Petrol · 353 kW (480 hp) | 5,041 | 11.0 | 13.3 | +21% |
| Porsche 911 Petrol · 331 kW (450 hp) | 3,974 | 10.6 | 12.6 | +19% |
| Mercedes-Benz A-Class Petrol · 310 kW (421 hp) | 3,167 | 9.1 | 12.2 | +35% |
| Porsche 911 Petrol · 283 kW (385 hp) | 3,121 | 10.4 | 12.1 | +16% |
| Mercedes-Benz CLA-Class Petrol · 310 kW (421 hp) | 2,908 | 8.9 | 11.3 | +27% |
| BMW Z4 Petrol · 250 kW (340 hp) | 2,591 | 8.0 | 9.6 | +20% |
| Cupra Formentor Petrol · 287 kW (390 hp) | 1,986 | 10.1 | 11.6 | +15% |
| Audi RS 3 Petrol · 294 kW (400 hp) | 1,330 | 9.0 | 11.0 | +22% |
By country
| Country | cars | Real world | |
|---|---|---|---|
| Germany | 658 | 12.9 | −2% |
| Sweden | 72 | 13.8 | +5% |
| France | 66 | 14.2 | +8% |
| Italy | 65 | 13.3 | +1% |
| Belgium | 57 | 13.1 | ±0% |
Countries with at least 50 cars of this engine. Differences reflect climate, roads and driving habits as well as the car.
By reporting year
| cars | Official (WLTP) | Real world | Gap | |
|---|---|---|---|---|
| 2022 | 268 | 10.7 | 13.5 | +26% |
| 2023 | 721 | 10.8 | 13.2 | +23% |
| 2024 | 1,101 | 10.8 | 13.1 | +22% |
The same cars are reported again each year with their lifetime totals, so years are not added together.
About this data
| Cars in the data | 1,101 (2024) |
|---|---|
| Names in the registration data | 718 BOXSTER SPYDER, 718 CAYMAN GT4, 718 BOXSTER, 718 SPYDER, 718 BOXTER SPYDER |
| Registration years | 2021, 2022, 2023, 2024 |
| Engine size | 3,995 cm³ |
| Average mass in running order | 1,518 kg |
| Average distance on the meter | 12,970 km |
Hybrid includes mild hybrids (48 V) as registered by the manufacturer.
Source: European Environment Agency, real-world CO₂ emissions from cars, 2024 data (CC BY 4.0), based on on-board fuel consumption meters (Regulation (EU) 2019/631, Article 12). Grouping by model and engine, averages and percentiles by RealFuelConsumption. Not affiliated with the EEA or the manufacturer.