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 525d vs Audi A6

Consumption comparison

BMW 525d G30 vs Audi A6 Avant TDI S tronic 150 kW: 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

525d G30

66 L · 2018

5,1 L/100km

VS
AudiDiesel

A6 Avant TDI S tronic 150 kW

60 L · 2026

5,7 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

525d G30

Annual energy cost · 15 000 km

1 383€

9,22 € / 100 km

Equivalent to 695 L of petrol 95 per year

Weighted consumption
5,3 L/100km
Fuel price
1,75 €/L
Fuel used
790,5 L per year
AudiPetrol

A6 Avant TDI S tronic 150 kW

Annual energy cost · 15 000 km

1 451€

9,67 € / 100 km

Equivalent to 729 L of petrol 95 per year

Weighted consumption
5,5 L/100km
Fuel price
1,75 €/L
Fuel used
829,1 L per year
Annual gap 525d vs A6 Avant TDI S tronic 150 kW+68 €/an≈ 39 L diesel

BMW 525d G30 costs 68 €/an less in energy than Audi A6 Avant TDI S tronic 150 kW, over 15 000 km for this driving mix.

≈ 39 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

68 €

≈ 34 L petrol 95

3 years

203 €

≈ 102 L petrol 95

5 years

338 €

≈ 170 L petrol 95

10 years

676 €

≈ 340 L petrol 95

Cumulative savings for BMW 525d G30 versus Audi A6 Avant TDI S tronic 150 kW. Excluding purchase, insurance, maintenance and depreciation.

Annual fuel cost breakdown

Projection over 15 000 km/year.

BMW

525d G30

Fuelkm/year€/kmAnnual cost
Annual fuel1,75 €/L15 000 km0,092 €/km1 383 €
Audi

A6 Avant TDI S tronic 150 kW

Fuelkm/year€/kmAnnual cost
Annual fuel1,75 €/L15 000 km0,097 €/km1 451 €

Other similar comparisons

AudiVSBmw

A5 Sedan TDI quattro S tronic 150 kW vs 525d

BmwVSMercedes

525d vs C 400 e 4MATIC Limousine

BmwVSMercedes

525d vs S 450 e Limousine mit EQ Hybrid Technologie Langversion

AudiVSBmw

A6 Avant TDI S tronic 150 kW vs 540i xDrive

Frequently asked questions

On a 100 km mixed trip, the BMW 525d is about 10% cheaper than the Audi A6 Avant TDI S tronic 150 kW with default parameters. This ratio shifts with your actual energy prices — simulate for your profile.

The BMW 525d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.