Mclaren 540C 2021 running costs in Ireland
Official UK VCA merged archive figure for the 2021 Mclaren 540C: 12.3 L/100km, 276 g/km CO₂. At Ireland prices (€1.84/L petrol), driving 15,000 km a year costs about €3,395 — €0.23 per kilometre.
Official figures — 2021 Mclaren 540C
| Fuel type | Petrol |
|---|---|
| Official consumption | 12.3 L/100km |
| CO₂ (official) | 276 g/km |
| Configurations in source data | 1 |
| Data source | UK VCA merged archive — WLTP test cycle |
What it costs to run in Ireland
| Petrol (12.3 L/100km) | €3,395/year |
|---|---|
| NCT | €55.00/year |
| Typical annual road tax | €210/year |
| Estimated annual running cost | €3,660/year ≈ €305/month |
Assumes 15,000 km a year and the current average Ireland prices shown above (AA Ireland average, Sep 2026). Insurance is not included because it depends on your age, history and the policy — add it in the full ownership calculator. Servicing, tyres and repairs also vary by car and driver.
How it compares with other petrol cars in Ireland
The average petrol car in our Ireland dataset uses 7.9 L/100km. The 2021 Mclaren 540C uses 12.3 L/100km — about 55.7% more than that average, or roughly €1,214 extra a year at 15,000 km.
2021 Mclaren 540C — configurations in the official data
| Fuel | Consumption | CO₂ | Engine | Power | Source variant |
|---|---|---|---|---|---|
| Petrol | 12.3 L/100km | 276 g/km | — | — | 1 versions · WLTP · median 23 mpg (UK) |
Figures are the official certified values recorded in the UK VCA merged archive, grouped across 1 configuration. Real-world consumption is typically higher than the certified figure.
Related
Mclaren 540C 2020 · Mclaren 540C 2022 · Mclaren 540C 2019 · Mclaren 540C 2018 · All Ireland cars · Full Ireland running-cost calculator · Ireland fuel cost calculator
These are estimates built from official certified figures and current average prices. They are not financial advice. Verify the exact figure for the car you are buying — consumption varies by trim, tyres and driving style.