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X3vsX7Petrol
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BMW X3 M Competition G01 vs BMW X7 xDrive50i G07: 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 2018 · 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 X3 M Competition G01

3,838 €per year

11,8 L/100 km weighted · 25.58 € per 100 km · 1 769 L per year

Gap40 € per yearin favour of the X3 M Competition (−1 %)≈ 18 L petrol 95
BBMW X7 xDrive50i G07

3,878 €per year

11,9 L/100 km weighted · 25.85 € per 100 km · 1 787 L per year

The verdict changes with your usage
ProfileSplitAA · X3BB · X7Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway4,520 €4,332 €187 € · X7
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway3,838 €3,878 €Nearly level
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,314 €3,525 €212 € · X3

Cumulative saving for the X3 M Competition

1 year
40 €
3 years
120 €
5 years
200 €
10 years
400 €

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

What produces these figures

WLTP combined
11.0 L/100 km · 11.4 L/100 km
Powertrain
Combustion · Combustion
Power
510 ch · 462 ch
Kerb weight
1,995 kg · 2,460 kg

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BMWVSMercedes

X7 xDrive50i vs G 500

gap 408 €/year

Frequently asked questions

On a 100 km mixed trip, the BMW X3 M Competition and BMW X7 xDrive50i have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

The BMW X3 M Competition is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.