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i3BEVvs218iPetrol
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  • Specsi3 · 218i

BMW i3 I01 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.

city car · 2018 vs 2021 · 15,000 km/an · Mixed · Petrol 95 2.17 €/L · Home 0.20 €/kWh · 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
Charging type

Result · yearly energy cost

ABMW i3 I01

409 €per year

13,6 kWh/100 km weighted · 2.73 € per 100 km · 2 044 kWh per year

Gap2,130 € per yearin favour of the i3 (−84 %)≈ 982 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 · i3BB · 218iGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway348 €2,889 €2,541 € · i3
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway409 €2,539 €2,130 € · i3
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway484 €2,269 €1,785 € · i3

Cumulative saving for the i3

1 year
2,130 €
3 years
6,390 €
5 years
10,650 €
10 years
21,300 €

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

What produces these figures

WLTP combined
13.1 kWh/100 km · 7.4 L/100 km
Powertrain
Fully electric · Combustion
Power
170 ch · 136 ch
Kerb weight
1,270 kg · 1,560 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW i3 is about 85% cheaper than the BMW 218i Convertible with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the BMW i3 is 359 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

The BMW i3 is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.