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BMW X4 M40d G02 vs BMW X1 xDrive25i F48: 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 · 2018 vs 2021 · 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 X4 M40d G02

2,406 €per year

6,8 L/100 km weighted · 16.04 € per 100 km · 1 013 L per year

Gap111 € per yearin favour of the X1 xDrive25i (−5 %)≈ 47 L diesel
BBMW X1 xDrive25i F48

2,295 €per year

7,0 L/100 km weighted · 15.30 € per 100 km · 1 058 L per year

The verdict changes with your usage
ProfileSplitAA · X4BB · X1Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,522 €2,498 €Nearly level
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,406 €2,295 €111 € · X1
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,324 €2,142 €182 € · X1

Cumulative saving for the X1 xDrive25i

1 year
111 €
3 years
333 €
5 years
555 €
10 years
1,109 €

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

What produces these figures

WLTP combined
6.6 L/100 km · 6.8 L/100 km
Power
326 ch · 231 ch
Kerb weight
1,895 kg · 1,585 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW X4 M40d and BMW X1 xDrive25i have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

The BMW X1 xDrive25i is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.