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BMW X4 M Competition G02 vs BMW X4 M40d G02: 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.

family SUV · 2021 vs 2021 · 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

ABMW X4 M Competition G02

3,786 €per year

11,6 L/100 km weighted · 25.24 € per 100 km · 1 745 L per year

Gap1,594 € per yearin favour of the X4 M40d (−42 %)≈ 734 L petrol 95
BBMW X4 M40d G02

2,192 €per year

6,2 L/100 km weighted · 14.61 € per 100 km · 923 L per year

The verdict changes with your usage
ProfileSplitAA · X4BB · X4Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway4,401 €2,415 €1,986 € · X4
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway3,786 €2,192 €1,594 € · X4
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,317 €2,024 €1,292 € · X4

Cumulative saving for the X4 M40d

1 year
1,594 €
3 years
4,781 €
5 years
7,969 €
10 years
15,937 €

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

What produces these figures

WLTP combined
10.9 L/100 km · 5.9 L/100 km
Powertrain
Combustion · Combustion
Power
510 ch · 340 ch
Kerb weight
1,995 kg · 2,020 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW X4 M40d is about 40% cheaper than the BMW X4 M Competition with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW X4 M40d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.