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M4vs218iPetrol
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  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsM4 · 218i

BMW M4 Convertible F82 vs BMW 218i Convertible F44: which is cheaper to run?

What each kilometre costs, depending on your driving profile and how you charge. Annual projection and cumulative savings over 10 years.

saloon · 2018 vs 2020 · 15,000 km/an · Mixed · Petrol 95 2.17 €/L · Methodology
Annual mileage
15,000 km
5,000 km50,000 km
Driving mix

30 % City · 50 % Road · 20 % Motorway

Fuel price
Petrol 95 2.17 €/L · Diesel 2.38 €/Lprix-carburants.gouv.fr — moyenne nationale du 05/10/2026 ; EDF Tarif Bleu Base au 01/08/2026 ; DC autoroute : moyenne des réseaux sans abonnement

Result · yearly energy cost

ABMW M4 Convertible F82

3,486 €per year

10,7 L/100 km weighted · 23.24 € per 100 km · 1 607 L per year

Gap947 € per yearin favour of the 218i Convertible (−27 %)≈ 436 L petrol 95
BBMW 218i Convertible F44

2,539 €per year

7,8 L/100 km weighted · 16.93 € per 100 km · 1 170 L per year

The verdict changes with your usage
ProfileSplitAA · M4BB · 218iGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway3,911 €2,889 €1,022 € · 218i
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway3,486 €2,539 €947 € · 218i
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,164 €2,269 €895 € · 218i

Cumulative saving for the 218i Convertible

1 year
947 €
3 years
2,842 €
5 years
4,736 €
10 years
9,472 €

Energy only. Excludes purchase, insurance, servicing, depreciation.

What produces these figures

WLTP combined
10.2 L/100 km · 7.4 L/100 km
Powertrain
Combustion · Combustion
Power
431 ch · 136 ch
Kerb weight
1,790 kg · 1,560 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW 218i Convertible is about 25% cheaper than the BMW M4 Convertible with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW 218i Convertible is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.