Aller au contenu principal
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
FRDEESIT
© 2026 Caralogy · All rights reserved
Home›Consumption›BMW 540d vs BMW 320d

Consumption comparison

BMW 540d xDrive G30 vs BMW 320d G20: how much do I save per year?

Same car, two powertrains. The simulator below calculates the gap based on your mileage and charging type.

BMWDiesel

540d xDrive G30

66 L · 2018

6,2 L/100km

VS
BMWDieselMost economical

320d G20

40 L · 2024

4,3 L/100km

MotorwayRange & chargingPerformance0-100, top speedConsumptionAnnual TCO

Annual mileage

15 000 km/an

5 000 km50 000 km

Simulated driving mix

Drag anywhere on the bar to adjust

Fuel price

Petrol 95 : 1,99 €/L·Diesel : 1,75 €/L

Annual energy cost · 15 000 km

Typical annual usage : Mix 30% city / 50% road / 20% motorway

BMWPetrol

540d xDrive G30

Annual energy cost · 15 000 km

1 693€

11,29 € / 100 km

Equivalent to 851 L of petrol 95 per year

Weighted consumption
6,4 L/100km
Fuel price
1,75 €/L
Fuel used
967,5 L per year
BMWPetrolMost economical

320d G20

Annual energy cost · 15 000 km

1 152€

7,68 € / 100 km

Equivalent to 579 L of petrol 95 per year

Weighted consumption
4,4 L/100km
Fuel price
1,75 €/L
Fuel used
658,5 L per year
Annual gap 320d vs 540d xDrive+541 €/an≈ 309 L diesel

BMW 320d G20 costs 541 €/an less in energy than BMW 540d xDrive G30, over 15 000 km for this driving mix.

≈ 309 L of diesel saved per year

Your savings over the ownership period

Cumulative projection by annual mileage. The cheaper-to-run vehicle widens the gap year after year.

Annual mileage

15 000 km/an

1 year

541 €

≈ 272 L petrol 95

3 years

1 622 €

≈ 815 L petrol 95

5 years

2 704 €

≈ 1359 L petrol 95

10 years

5 407 €

≈ 2717 L petrol 95

Cumulative savings for BMW 320d G20 versus BMW 540d xDrive G30. Excluding purchase, insurance, maintenance and depreciation.

Annual fuel cost breakdown

Projection over 15 000 km/year.

BMW

540d xDrive G30

Fuelkm/year€/kmAnnual cost
Annual fuel1,75 €/L15 000 km0,113 €/km1 693 €
BMW

320d G20

Fuelkm/year€/kmAnnual cost
Annual fuel1,75 €/L15 000 km0,077 €/km1 152 €

Other similar comparisons

BmwVSAudi

540d xDrive vs A6 Avant TDI quattro S tronic 220 kW

AudiVSBmw

A4 40 TDI vs 320d

BmwVSAudi

540d xDrive vs A6 Sedan TDI quattro S tronic 220 kW

VolvoVSBmw

S60 B4 vs 320d

Frequently asked questions

On a 100 km mixed trip, the BMW 320d is about 30% cheaper than the BMW 540d xDrive with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW 320d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.