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  • Specs540i · A

BMW 540i xDrive G30 vs Mercedes A 250 W177: 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.

grand tourer · 2020 vs 2019 · 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 540i xDrive G30

2,331 €per year

7,2 L/100 km weighted · 15.54 € per 100 km · 1 074 L per year

Gap120 € per yearin favour of the A 250 (−5 %)≈ 55 L petrol 95
BMercedes A 250 W177

2,211 €per year

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

The verdict changes with your usage
ProfileSplitAA · 540iBB · AGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,650 €2,470 €179 € · A
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,331 €2,211 €120 € · A
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,083 €2,010 €73 € · A

Cumulative saving for the A 250

1 year
120 €
3 years
359 €
5 years
598 €
10 years
1,196 €

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

What produces these figures

WLTP combined
6.8 L/100 km · 6.5 L/100 km
Powertrain
Combustion · Combustion
Power
333 ch · 224 ch
Kerb weight
1,745 kg · 1,450 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW 540i xDrive and Mercedes A 250 have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

The Mercedes A 250 is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.