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520dDieselvsA3Petrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs520d · A3

BMW 520d G30 vs Audi A3 Sedan: 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.

grand tourer · 2020 vs 2026 · 15,000 km/an · Mixed · Diesel 2.38 €/L · Petrol 95 2.17 €/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

ABMW 520d G30

1,579 €per year

4,4 L/100 km weighted · 10.53 € per 100 km · 665 L per year

Gap335 € per yearin favour of the 520d (−18 %)≈ 154 L petrol 95
BAudi A3 Sedan

1,914 €per year

5,9 L/100 km weighted · 12.76 € per 100 km · 882 L per year

The verdict changes with your usage
ProfileSplitAA · 520dBB · A3Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway1,700 €1,943 €243 € · 520d
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway1,579 €1,914 €335 € · 520d
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway1,486 €1,855 €369 € · 520d

Cumulative saving for the 520d

1 year
335 €
3 years
1,005 €
5 years
1,675 €
10 years
3,351 €

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

What produces these figures

WLTP combined
4.3 L/100 km · 6.0 L/100 km
Powertrain
Combustion · Combustion
Power
190 ch · 150 ch
Kerb weight
1,675 kg · 1,290 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW 520d is about 20% cheaper than the Audi A3 Sedan with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW 520d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.