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APetrolvs120dDiesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsA · 120d

Mercedes A 250 W177 vs BMW 120d F40: 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 · 2019 vs 2020 · 15,000 km/an · Mixed · Petrol 95 2.17 €/L · Diesel 2.38 €/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

AMercedes A 250 W177

2,211 €per year

6,8 L/100 km weighted · 14.74 € per 100 km · 1 019 L per year

Gap525 € per yearin favour of the 120d (−24 %)≈ 242 L petrol 95
BBMW 120d F40

1,686 €per year

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

The verdict changes with your usage
ProfileSplitAA · ABB · 120dGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,470 €1,807 €663 € · 120d
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,211 €1,686 €525 € · 120d
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,010 €1,593 €417 € · 120d

Cumulative saving for the 120d

1 year
525 €
3 years
1,576 €
5 years
2,626 €
10 years
5,252 €

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

What produces these figures

WLTP combined
6.5 L/100 km · 4.6 L/100 km
Powertrain
Combustion · Combustion
Power
224 ch · 190 ch
Kerb weight
1,450 kg · 1,450 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW 120d is about 25% cheaper than the Mercedes A 250 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.