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›Audi A4 40 vs BMW 420i

Consumption comparison

Audi A4 40 TFSI vs BMW 420i Gran Coupe 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.

AudiPetrolMost economical

A4 40 TFSI

2020

6,4 L/100km

VS
BMWPetrol

420i Gran Coupe G22

60 L · 2021

7,0 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 TFSI

Annual energy cost · 15 000 km

1 996€

13,31 € / 100 km

Equivalent to 1 003 L of petrol 95 per year

Weighted consumption
6,7 L/100km
Fuel price
1,99 €/L
Fuel used
1003,2 L per year
BMWPetrol

420i Gran Coupe G22

Annual energy cost · 15 000 km

2 212€

14,75 € / 100 km

Equivalent to 1 111 L of petrol 95 per year

Weighted consumption
7,4 L/100km
Fuel price
1,99 €/L
Fuel used
1111,5 L per year
Annual gap A4 40 TFSI vs 420i Gran Coupe+216 €/an≈ 108 L petrol 95

Audi A4 40 TFSI costs 216 €/an less in energy than BMW 420i Gran Coupe G22, over 15 000 km for this driving mix.

≈ 108 L of petrol 95 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

216 €

≈ 108 L petrol 95

3 years

647 €

≈ 325 L petrol 95

5 years

1 078 €

≈ 541 L petrol 95

10 years

2 155 €

≈ 1083 L petrol 95

Cumulative savings for Audi A4 40 TFSI versus BMW 420i Gran Coupe G22. Excluding purchase, insurance, maintenance and depreciation.

Annual fuel cost breakdown

Projection over 15 000 km/year.

Audi

A4 40 TFSI

Fuelkm/year€/kmAnnual cost
Annual fuel1,99 €/L15 000 km0,133 €/km1 996 €
BMW

420i Gran Coupe G22

Fuelkm/year€/kmAnnual cost
Annual fuel1,99 €/L15 000 km0,147 €/km2 212 €

Other similar comparisons

AudiVSBmw

A4 40 TFSI vs 540i xDrive

AudiVSBmw

A4 40 TFSI vs M240i

AudiVSBmw

A4 40 TFSI vs 620d Gran Turismo

AudiVSBmw

A5 Sedan TDI quattro S tronic 150 kW vs 420i Gran Coupe

Frequently asked questions

On a 100 km mixed trip, the Audi A4 40 TFSI is about 10% cheaper than the BMW 420i Gran Coupe with default parameters. This ratio shifts with your actual energy prices — simulate for your profile.

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