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X3Petrolvs330dHybrid
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  • SpecsX3 · 330d

BMW X3 M40i G01 vs BMW 330d G20: 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 2020 · 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 X3 M40i G01

2,747 €per year

8,4 L/100 km weighted · 18.31 € per 100 km · 1 266 L per year

Gap1,001 € per yearin favour of the 330d (−36 %)≈ 461 L petrol 95
BBMW 330d G20

1,746 €per year

4,9 L/100 km weighted · 11.64 € per 100 km · 735 L per year

The verdict changes with your usage
ProfileSplitAA · X3BB · 330dGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway3,030 €1,916 €1,115 € · 330d
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,747 €1,746 €1,001 € · 330d
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,532 €1,622 €911 € · 330d

Cumulative saving for the 330d

1 year
1,001 €
3 years
3,003 €
5 years
5,004 €
10 years
10,009 €

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

What produces these figures

WLTP combined
8.1 L/100 km · 4.7 L/100 km
Powertrain
Combustion · Mild hybrid 48 V
Power
360 ch · 286 ch
Kerb weight
1,870 kg · 1,695 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW 330d is about 35% cheaper than the BMW X3 M40i with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW 330d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.