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
X3vs520dDiesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsX3 · 520d

BMW X3 xDrive30d G01 vs BMW 520d G30: 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 2019 · 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 X3 xDrive30d G01

2,071 €per year

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

Gap506 € per yearin favour of the 520d (−24 %)≈ 213 L diesel
BBMW 520d G30

1,565 €per year

4,4 L/100 km weighted · 10.43 € per 100 km · 659 L per year

The verdict changes with your usage
ProfileSplitAA · X3BB · 520dGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,260 €1,652 €608 € · 520d
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,071 €1,565 €506 € · 520d
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway1,928 €1,497 €431 € · 520d

Cumulative saving for the 520d

1 year
506 €
3 years
1,518 €
5 years
2,530 €
10 years
5,061 €

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

What produces these figures

WLTP combined
5.6 L/100 km · 4.3 L/100 km
Powertrain
Combustion · Combustion
Power
286 ch · 190 ch
Kerb weight
1,930 kg · 1,650 kg

Other similar comparisons

BMWVSAudi

X3 xDrive30d vs Q5 Sportback

gap 328 €/year
AudiVSBMW

A6 Avant vs 520d

gap 633 €/year
BMWVSTesla

X3 xDrive30d vs Model Y Long Range RWD

gap 2 134 €/year
AudiVSBMW

A6 Avant TDI S tronic 150 kW vs 520d

gap 541 €/year

Frequently asked questions

On a 100 km mixed trip, the BMW 520d is about 25% cheaper than the BMW X3 xDrive30d with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW 520d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.