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X3Dieselvs7PHEV
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsX3 · 7

BMW X3 M40d G01 vs DS7 E-Tense 4x4 300: which is cheaper to run?

What each kilometre costs, depending on your driving profile, how you charge and the share of the trip driven on electricity or fuel.

family SUV · 2018 vs 2021 · 15,000 km/an · Mixed · Diesel 2.38 €/L · Petrol 95 2.17 €/L · Home 0.20 €/kWh · 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
Charging type

Result · yearly energy cost

ABMW X3 M40d G01

2,384 €per year

6,7 L/100 km weighted · 15.90 € per 100 km · 1 004 L per year

Gap1,408 € per yearin favour of the 7 E-Tense 4x4 300 (−59 %)≈ 592 L diesel
BDS7 E-Tense 4x4 300

977 €per year

18,1 kWh/100 km weighted · 6.51 € per 100 km · 1 185 L per year

The verdict changes with your usage
ProfileSplitAA · X3BB · 7Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,534 €977 €1,557 € · 7
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,384 €977 €1,408 € · 7
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,277 €977 €1,301 € · 7

Cumulative saving for the 7 E-Tense 4x4 300

1 year
1,408 €
3 years
4,223 €
5 years
7,038 €
10 years
14,075 €

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

What produces these figures

WLTP combined
6.5 L/100 km · 18.2 kWh/100 km
Powertrain
Combustion · Plug-in hybrid
Power
326 ch · 305 ch
Kerb weight
1,895 kg · 1,900 kg

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Frequently asked questions

On a 100 km mixed trip, the DS7 E-Tense 4x4 300 is about 60% cheaper than the BMW X3 M40d with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the DS7 E-Tense 4x4 300 is 58 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

The DS7 E-Tense 4x4 300 is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.