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 Audi A6

Consumption comparison

BMW 540d xDrive G30 vs Audi A6 Avant: how much do I save per year?

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

BMWDieselMost economical

540d xDrive G30

66 L · 2020

5,1 L/100km

VS
AudiDiesel

A6 Avant

60 L · 2026

5,9 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

BMWPetrolMost economical

540d xDrive G30

Annual energy cost · 15 000 km

1 415€

9,43 € / 100 km

Equivalent to 711 L of petrol 95 per year

Weighted consumption
5,4 L/100km
Fuel price
1,75 €/L
Fuel used
808,5 L per year
AudiPetrol

A6 Avant

Annual energy cost · 15 000 km

1 502€

10,01 € / 100 km

Equivalent to 755 L of petrol 95 per year

Weighted consumption
5,7 L/100km
Fuel price
1,75 €/L
Fuel used
858,2 L per year
Annual gap 540d xDrive vs A6 Avant+87 €/an≈ 50 L diesel

BMW 540d xDrive G30 costs 87 €/an less in energy than Audi A6 Avant, over 15 000 km for this driving mix.

≈ 50 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

87 €

≈ 44 L petrol 95

3 years

261 €

≈ 131 L petrol 95

5 years

435 €

≈ 219 L petrol 95

10 years

870 €

≈ 437 L petrol 95

Cumulative savings for BMW 540d xDrive G30 versus Audi A6 Avant. 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 km0,094 €/km1 415 €
Audi

A6 Avant

Fuelkm/year€/kmAnnual cost
Annual fuel1,75 €/L15 000 km0,100 €/km1 502 €

Other similar comparisons

BmwVSAudi

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

AudiVSBmw

A6 Avant vs 520d

BmwVSAudi

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

AudiVSBmw

A6 Avant vs 520d Touring

Frequently asked questions

On a 100 km mixed trip, the BMW 540d xDrive and Audi A6 Avant have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

The BMW 540d xDrive is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.