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Home›Consumption›Audi A4 40 vs BMW 318d

Consumption comparison

Audi A4 40 TDI vs BMW 318d Touring 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.

AudiDieselMost economical

A4 40 TDI

2020

4,7 L/100km

VS
BMWDiesel

318d Touring G20

40 L · 2019

4,8 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

AudiPetrolMost economical

A4 40 TDI

Annual energy cost · 15 000 km

1 289€

8,60 € / 100 km

Equivalent to 648 L of petrol 95 per year

Weighted consumption
4,9 L/100km
Fuel price
1,75 €/L
Fuel used
736,7 L per year
BMWPetrol

318d Touring G20

Annual energy cost · 15 000 km

1 305€

8,70 € / 100 km

Equivalent to 656 L of petrol 95 per year

Weighted consumption
5,0 L/100km
Fuel price
1,75 €/L
Fuel used
745,5 L per year
Annual gap A4 40 TDI vs 318d Touring+15 €/an≈ 9 L diesel

Audi A4 40 TDI costs 15 €/an less in energy than BMW 318d Touring G20, over 15 000 km for this driving mix.

≈ 9 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

15 €

≈ 8 L petrol 95

3 years

46 €

≈ 23 L petrol 95

5 years

77 €

≈ 39 L petrol 95

10 years

154 €

≈ 77 L petrol 95

Cumulative savings for Audi A4 40 TDI versus BMW 318d Touring G20. Excluding purchase, insurance, maintenance and depreciation.

Annual fuel cost breakdown

Projection over 15 000 km/year.

Audi

A4 40 TDI

Fuelkm/year€/kmAnnual cost
Annual fuel1,75 €/L15 000 km0,086 €/km1 289 €
BMW

318d Touring G20

Fuelkm/year€/kmAnnual cost
Annual fuel1,75 €/L15 000 km0,087 €/km1 305 €

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Frequently asked questions

On a 100 km mixed trip, the Audi A4 40 TDI and BMW 318d Touring have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

The Audi A4 40 TDI is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.