BMW Z4 Petrol · 145 kW (197 hp)
Measured by the on-board fuel meters of 2,241 cars · 2024 data
Real-world consumption is 15% above official. 213 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 7.6 and 8.9 L/100 km. The most economical tenth stays under 7.2; the thirstiest tenth uses more than 9.6.
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 | €2,159 | €2,472 | +€314 |
| Austria 1.86 €/L | €2,003 | €2,294 | +€291 |
| Belgium 1.98 €/L | €2,123 | €2,432 | +€308 |
| Bulgaria 1.65 €/L | €1,771 | €2,028 | +€257 |
| Croatia 1.80 €/L | €1,936 | €2,218 | +€281 |
| Cyprus 1.76 €/L | €1,890 | €2,165 | +€275 |
| Czechia 1.86 €/L | €1,997 | €2,287 | +€290 |
| Denmark 2.66 €/L | €2,855 | €3,269 | +€415 |
| Estonia 1.92 €/L | €2,062 | €2,362 | +€300 |
| Finland 2.32 €/L | €2,491 | €2,852 | +€362 |
| France 2.21 €/L | €2,376 | €2,721 | +€345 |
| Germany 2.21 €/L | €2,378 | €2,723 | +€345 |
| Greece 2.20 €/L | €2,362 | €2,705 | +€343 |
| Hungary 1.75 €/L | €1,884 | €2,157 | +€274 |
| Ireland 1.98 €/L | €2,130 | €2,439 | +€309 |
| Italy 2.02 €/L | €2,171 | €2,486 | +€315 |
| Latvia 1.94 €/L | €2,087 | €2,390 | +€303 |
| Lithuania 1.93 €/L | €2,067 | €2,368 | +€300 |
| Luxembourg 1.88 €/L | €2,015 | €2,307 | +€293 |
| Malta 1.34 €/L | €1,439 | €1,648 | +€209 |
| Netherlands 2.46 €/L | €2,644 | €3,028 | +€384 |
| Poland 1.57 €/L | €1,686 | €1,931 | +€245 |
| Portugal 2.11 €/L | €2,266 | €2,595 | +€329 |
| Romania 1.90 €/L | €2,038 | €2,335 | +€296 |
| Slovakia 1.85 €/L | €1,983 | €2,271 | +€288 |
| Slovenia 1.76 €/L | €1,891 | €2,166 | +€275 |
| Spain 1.79 €/L | €1,922 | €2,202 | +€279 |
| Sweden 1.69 €/L | €1,817 | €2,081 | +€264 |
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 |
|---|---|---|---|---|
| Volvo XC40 Petrol · 120 kW (163 hp) | 18,439 | 7.2 | 8.2 | +13% |
| Kia Ceed Petrol · 118 kW (160 hp) | 18,081 | 5.9 | 6.9 | +16% |
| Mercedes-Benz GLA-Class Petrol · 120 kW (163 hp) | 15,030 | 6.8 | 7.9 | +15% |
| Mercedes-Benz CLA-Class Petrol · 120 kW (163 hp) | 12,528 | 6.3 | 7.4 | +17% |
| Mercedes-Benz A-Class Petrol · 120 kW (163 hp) | 11,341 | 6.2 | 7.3 | +19% |
| MINI Hatch Petrol · 131 kW (178 hp) | 9,209 | 6.2 | 7.6 | +23% |
| Kia X-Ceed Petrol · 118 kW (160 hp) | 9,106 | 6.2 | 7.2 | +15% |
| Mercedes-Benz GLB-Class Petrol · 120 kW (163 hp) | 8,733 | 7.2 | 8.2 | +14% |
By country
| Country | cars | Real world | |
|---|---|---|---|
| Germany | 1,305 | 8.1 | −2% |
| Italy | 252 | 8.5 | +3% |
| Belgium | 175 | 8.2 | ±0% |
| Austria | 126 | 8.0 | −3% |
| Spain | 104 | 8.5 | +3% |
| France | 104 | 8.8 | +7% |
| Netherlands | 81 | 7.9 | −4% |
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 | 145 | 7.1 | 8.5 | +20% |
| 2022 | 805 | 7.1 | 8.4 | +17% |
| 2023 | 1,623 | 7.1 | 8.3 | +16% |
| 2024 | 2,241 | 7.2 | 8.2 | +15% |
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 | 2,241 (2024) |
|---|---|
| Names in the registration data | Z4 SDRIVE20I, Z4 SDRIVE 20I, Z4 SDRIVE20I G29 B48, Z4 |
| Registration years | 2021, 2022, 2023, 2024 |
| Engine size | 1,998 cm³ |
| Average mass in running order | 1,512 kg |
| Average distance on the meter | 19,696 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.