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430iPetrolvsA3Diesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs430i · A3

BMW 430i Convertible G22 vs Audi A3 Sportback: 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 · 2021 vs 2026 · 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

ABMW 430i Convertible G22

2,168 €per year

6,7 L/100 km weighted · 14.45 € per 100 km · 999 L per year

Gap457 € per yearin favour of the A3 Sportback (−21 %)≈ 211 L petrol 95
BAudi A3 Sportback

1,711 €per year

4,8 L/100 km weighted · 11.40 € per 100 km · 720 L per year

The verdict changes with your usage
ProfileSplitAA · 430iBB · A3Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,389 €1,737 €652 € · A3
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,168 €1,711 €457 € · A3
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway1,999 €1,657 €341 € · A3

Cumulative saving for the A3 Sportback

1 year
457 €
3 years
1,371 €
5 years
2,286 €
10 years
4,571 €

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

What produces these figures

WLTP combined
6.4 L/100 km · 4.9 L/100 km
Powertrain
Combustion · Combustion
Power
258 ch · 116 ch
Kerb weight
1,715 kg · 1,355 kg

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Frequently asked questions

On a 100 km mixed trip, the Audi A3 Sportback is about 20% cheaper than the BMW 430i Convertible with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The Audi A3 Sportback is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.