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A4 40Petrolvs420dDiesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsA4 40 · 420d

Audi A4 40 TFSI vs BMW 420d G22: which is cheaper to run?

What each kilometre costs, depending on your driving profile and how you charge. Annual projection and cumulative savings over 10 years.

saloon · 2020 vs 2021 · 15,000 km/an · Mixed · Petrol 95 2.17 €/L · Diesel 2.38 €/L · Methodology
Annual mileage
15,000 km
5,000 km50,000 km
Driving mix

30 % City · 50 % Road · 20 % Motorway

Fuel price
Petrol 95 2.17 €/L · Diesel 2.38 €/Lprix-carburants.gouv.fr — moyenne nationale du 05/10/2026 ; EDF Tarif Bleu Base au 01/08/2026 ; DC autoroute : moyenne des réseaux sans abonnement

Result · yearly energy cost

AAudi A4 40 TFSI

2,177 €per year

6,7 L/100 km weighted · 14.51 € per 100 km · 1 003 L per year

Gap627 € per yearin favour of the 420d (−29 %)≈ 289 L petrol 95
BBMW 420d G22

1,550 €per year

4,4 L/100 km weighted · 10.34 € per 100 km · 653 L per year

The verdict changes with your usage
ProfileSplitAA · A4 40BB · 420dGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,432 €1,666 €766 € · 420d
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,177 €1,550 €627 € · 420d
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway1,979 €1,468 €511 € · 420d

Cumulative saving for the 420d

1 year
627 €
3 years
1,880 €
5 years
3,133 €
10 years
6,266 €

Energy only. Excludes purchase, insurance, servicing, depreciation.

What produces these figures

WLTP combined
6.4 L/100 km · 4.2 L/100 km
Powertrain
Combustion · Combustion
Power
190 ch · 190 ch
Kerb weight
1,515 kg · 1,605 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW 420d is about 30% cheaper than the Audi A4 40 TFSI with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

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