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Home›Consumption›Audi A4 40 vs BMW 420d

Consumption comparison

Audi A4 40 TDI vs BMW 420d xDrive G22: how much do I save per year?

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

AudiDiesel

A4 40 TDI

2020

4,7 L/100km

VS
BMWDieselMost economical

420d xDrive G22

59 L · 2021

4,6 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

AudiPetrol

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
BMWPetrolMost economical

420d xDrive G22

Annual energy cost · 15 000 km

1 234€

8,22 € / 100 km

Equivalent to 620 L of petrol 95 per year

Weighted consumption
4,7 L/100km
Fuel price
1,75 €/L
Fuel used
705,0 L per year
Annual gap 420d xDrive vs A4 40 TDI+56 €/an≈ 32 L diesel

BMW 420d xDrive G22 costs 56 €/an less in energy than Audi A4 40 TDI, over 15 000 km for this driving mix.

≈ 32 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

56 €

≈ 28 L petrol 95

3 years

167 €

≈ 84 L petrol 95

5 years

278 €

≈ 139 L petrol 95

10 years

555 €

≈ 279 L petrol 95

Cumulative savings for BMW 420d xDrive G22 versus Audi A4 40 TDI. 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

420d xDrive G22

Fuelkm/year€/kmAnnual cost
Annual fuel1,75 €/L15 000 km0,082 €/km1 234 €

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Frequently asked questions

On a 100 km mixed trip, the Audi A4 40 TDI and BMW 420d xDrive have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

The BMW 420d xDrive is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.