BMW Z4 Petrol · 250 kW (340 hp)
Measured by the on-board fuel meters of 2,591 cars · 2024 data
Real-world consumption is 20% above official. 428 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 8.9 and 10.4 L/100 km. The most economical tenth stays under 8.3; the thirstiest tenth uses more than 11.4.
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 | €2,415 | €2,906 | +€491 |
| Austria 1.86 €/L | €2,241 | €2,697 | +€456 |
| Belgium 1.98 €/L | €2,375 | €2,859 | +€483 |
| Bulgaria 1.65 €/L | €1,981 | €2,384 | +€403 |
| Croatia 1.80 €/L | €2,166 | €2,607 | +€441 |
| Cyprus 1.76 €/L | €2,115 | €2,545 | +€430 |
| Czechia 1.86 €/L | €2,234 | €2,688 | +€455 |
| Denmark 2.66 €/L | €3,194 | €3,843 | +€650 |
| Estonia 1.92 €/L | €2,307 | €2,776 | +€469 |
| Finland 2.32 €/L | €2,786 | €3,353 | +€567 |
| France 2.21 €/L | €2,658 | €3,199 | +€541 |
| Germany 2.21 €/L | €2,660 | €3,201 | +€541 |
| Greece 2.20 €/L | €2,642 | €3,180 | +€538 |
| Hungary 1.75 €/L | €2,107 | €2,536 | +€429 |
| Ireland 1.98 €/L | €2,383 | €2,867 | +€485 |
| Italy 2.02 €/L | €2,428 | €2,922 | +€494 |
| Latvia 1.94 €/L | €2,335 | €2,810 | +€475 |
| Lithuania 1.93 €/L | €2,313 | €2,784 | +€471 |
| Luxembourg 1.88 €/L | €2,254 | €2,713 | +€459 |
| Malta 1.34 €/L | €1,610 | €1,938 | +€328 |
| Netherlands 2.46 €/L | €2,958 | €3,560 | +€602 |
| Poland 1.57 €/L | €1,886 | €2,270 | +€384 |
| Portugal 2.11 €/L | €2,535 | €3,051 | +€516 |
| Romania 1.90 €/L | €2,280 | €2,745 | +€464 |
| Slovakia 1.85 €/L | €2,218 | €2,669 | +€451 |
| Slovenia 1.76 €/L | €2,116 | €2,546 | +€431 |
| Spain 1.79 €/L | €2,151 | €2,588 | +€438 |
| Sweden 1.69 €/L | €2,033 | €2,447 | +€414 |
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 BMW Z4 engines
| Engine | cars | Official (WLTP) | Real world | Gap |
|---|---|---|---|---|
| Petrol · 250 kW (340 hp) | 2,591 | 8.0 | 9.6 | +20% |
| Petrol · 145 kW (197 hp) | 2,241 | 7.2 | 8.2 | +15% |
| Petrol · 190 kW (258 hp) | 906 | 7.2 | 8.4 | +17% |
Similar cars from other models
Same powertrain, similar power and weight.
| Model and engine | cars | Official (WLTP) | Real world | Gap |
|---|---|---|---|---|
| Volkswagen Golf Petrol · 221 kW (300 hp) | 10,287 | 7.5 | 9.3 | +25% |
| Cupra Formentor Petrol · 228 kW (310 hp) | 9,812 | 8.5 | 10.2 | +21% |
| Ford Focus Petrol · 206 kW (280 hp) | 7,270 | 8.0 | 9.8 | +23% |
| Cupra Ateca Petrol · 221 kW (300 hp) | 7,022 | 9.0 | 10.3 | +15% |
| Volkswagen Golf Petrol · 235 kW (320 hp) | 5,312 | 7.9 | 10.5 | +33% |
| Volkswagen Arteon Petrol · 235 kW (320 hp) | 3,773 | 9.1 | 10.6 | +16% |
| Audi S3 Petrol · 228 kW (310 hp) | 3,740 | 7.9 | 10.0 | +26% |
| Volkswagen Tiguan Petrol · 235 kW (320 hp) | 3,347 | 9.9 | 10.8 | +9% |
By country
| Country | cars | Real world | |
|---|---|---|---|
| Germany | 2,014 | 9.6 | −1% |
| Italy | 83 | 10.3 | +7% |
| Austria | 81 | 9.1 | −5% |
| Netherlands | 72 | 9.2 | −5% |
| Belgium | 69 | 9.7 | ±0% |
| France | 50 | 10.3 | +6% |
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 | |
|---|---|---|---|---|
| 2021 | 124 | 8.0 | 10.0 | +25% |
| 2022 | 1,036 | 8.0 | 9.9 | +24% |
| 2023 | 1,790 | 8.0 | 9.7 | +22% |
| 2024 | 2,591 | 8.0 | 9.6 | +20% |
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 | 2,591 (2024) |
|---|---|
| Names in the registration data | Z4 M40I, Z4 M40I G29 B58, Z4 |
| Registration years | 2021, 2022, 2023, 2024 |
| Engine size | 2,998 cm³ |
| Average mass in running order | 1,634 kg |
| Average distance on the meter | 19,500 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.