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X6HybridvsX3Diesel
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  • SpecsX6 · X3

BMW X6 xDrive40d G06 vs BMW X3 xDrive30d G01: 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.

large SUV · 2021 vs 2021 · 15,000 km/an · Mixed · 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 X6 xDrive40d G06

2,395 €per year

6,7 L/100 km weighted · 15.97 € per 100 km · 1 008 L per year

Gap324 € per yearin favour of the X3 xDrive30d (−14 %)≈ 137 L diesel
BBMW X3 xDrive30d G01

2,071 €per year

5,8 L/100 km weighted · 13.80 € per 100 km · 872 L per year

The verdict changes with your usage
ProfileSplitAA · X6BB · X3Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,604 €2,260 €344 € · X3
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,395 €2,071 €324 € · X3
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,235 €1,928 €307 € · X3

Cumulative saving for the X3 xDrive30d

1 year
324 €
3 years
973 €
5 years
1,622 €
10 years
3,243 €

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

What produces these figures

WLTP combined
6.5 L/100 km · 5.6 L/100 km
Powertrain
Mild hybrid 48 V · Combustion
Power
340 ch · 286 ch
Kerb weight
2,215 kg · 1,930 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW X3 xDrive30d is about 15% cheaper than the BMW X6 xDrive40d with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW X3 xDrive30d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.