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120dDieselvs220iPetrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs120d · 220i

BMW 120d F40 vs BMW 220i Convertible F22: 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.

compact · 2020 vs 2018 · 15,000 km/an · Mixed · Diesel 2.38 €/L · 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 120d F40

1,686 €per year

4,7 L/100 km weighted · 11.24 € per 100 km · 710 L per year

Gap397 € per yearin favour of the 120d (−19 %)≈ 183 L petrol 95
BBMW 220i Convertible F22

2,083 €per year

6,4 L/100 km weighted · 13.89 € per 100 km · 960 L per year

The verdict changes with your usage
ProfileSplitAA · 120dBB · 220iGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway1,807 €2,238 €431 € · 120d
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway1,686 €2,083 €397 € · 120d
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway1,593 €1,969 €376 € · 120d

Cumulative saving for the 120d

1 year
397 €
3 years
1,192 €
5 years
1,987 €
10 years
3,974 €

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

What produces these figures

WLTP combined
4.6 L/100 km · 6.2 L/100 km
Powertrain
Combustion · Combustion
Power
190 ch · 184 ch
Kerb weight
1,450 kg · 1,540 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW 120d is about 20% cheaper than the BMW 220i Convertible with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW 120d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.