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BornBEVvs420iPetrol
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  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsBorn · 420i

Cupra Born vs BMW 420i Convertible 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.

compact · 2021 vs 2021 · 15,000 km/an · Mixed · Petrol 95 2.17 €/L · Home 0.20 €/kWh · 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
Charging type

Result · yearly energy cost

ACupra Born

493 €per year

16,4 kWh/100 km weighted · 3.29 € per 100 km · 2 465 kWh per year

Gap1,574 € per yearin favour of the Born (−76 %)≈ 725 L petrol 95
BBMW 420i Convertible G22

2,067 €per year

6,3 L/100 km weighted · 13.78 € per 100 km · 953 L per year

The verdict changes with your usage
ProfileSplitAA · BornBB · 420iGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway420 €2,270 €1,851 € · Born
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway493 €2,067 €1,574 € · Born
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway583 €1,914 €1,331 € · Born

Cumulative saving for the Born

1 year
1,574 €
3 years
4,721 €
5 years
7,869 €
10 years
15,737 €

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

What produces these figures

WLTP combined
15.8 kWh/100 km · 6.1 L/100 km
Powertrain
Fully electric · Combustion
Power
201 ch · 184 ch
Kerb weight
1,710 kg · 1,690 kg

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Frequently asked questions

On a 100 km mixed trip, the Cupra Born is about 75% cheaper than the BMW 420i Convertible with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the Cupra Born is 420 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

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