Skip to main content
CaralogyCaralogy
HomeBrandsRoad TripBudgetDuelGuides
Caralogy

The car comparison platform. Physics simulation, road trips, real costs.

Navigation
All brandsCar duelRunning costsMotorwayMethodology
Simulators
Motorway simulatorRunning costsPerformance duel
Brands
VolkswagenBMWMercedesToyotaTeslaAudi
FRENDEESIT
© 2026 Caralogy · All rights reserved
  1. Home
  2. /Consumption
  3. /SUV Coupé
X4DieselvsG9BEV
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsX4 · G9

BMW X4 M40d G02 vs Xpeng G9: 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 2022 · 15,000 km/an · Mixed · Diesel 2.38 €/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 X4 M40d G02

2,192 €per year

6,2 L/100 km weighted · 14.61 € per 100 km · 923 L per year

Gap1,599 € per yearin favour of the G9 (−73 %)≈ 673 L diesel
BXpeng G9

593 €per year

19,8 kWh/100 km weighted · 3.95 € per 100 km · 2 964 kWh per year

The verdict changes with your usage
ProfileSplitAA · X4BB · G9Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,415 €505 €1,910 € · G9
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,192 €593 €1,599 € · G9
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,024 €701 €1,323 € · G9

Cumulative saving for the G9

1 year
1,599 €
3 years
4,796 €
5 years
7,994 €
10 years
15,988 €

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

What produces these figures

WLTP combined
5.9 L/100 km · 19.0 kWh/100 km
Powertrain
Combustion · Fully electric
Power
340 ch · 308 ch
Kerb weight
2,020 kg · 2,210 kg

Other similar comparisons

BMWVSAudi

X4 M40d vs Q5 Sportback

gap 166 €/year
BMWVSXpeng

iX xDrive40 vs G9

gap 96 €/year
BMWVSPorsche

X4 M40d vs Macan S

gap 2 450 €/year
BMWVSXpeng

iX xDrive50 vs G9

gap 110 €/year

Frequently asked questions

On a 100 km mixed trip, the Xpeng G9 is about 75% cheaper than the BMW X4 M40d with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the Xpeng G9 is 520 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

The Xpeng G9 is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.