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CybersterBEVvs840iPetrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsCyberster · 840i

MG Cyberster AWD vs BMW 840i Convertible G15: 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.

sports car · 2023 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

AMG Cyberster AWD

521 €per year

17,4 kWh/100 km weighted · 3.48 € per 100 km · 2 605 kWh per year

Gap2,050 € per yearin favour of the Cyberster AWD (−80 %)≈ 945 L petrol 95
BBMW 840i Convertible G15

2,571 €per year

7,9 L/100 km weighted · 17.14 € per 100 km · 1 185 L per year

The verdict changes with your usage
ProfileSplitAA · CybersterBB · 840iGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway444 €2,921 €2,478 € · Cyberster
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway521 €2,571 €2,050 € · Cyberster
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway617 €2,301 €1,685 € · Cyberster

Cumulative saving for the Cyberster AWD

1 year
2,050 €
3 years
6,150 €
5 years
10,251 €
10 years
20,501 €

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

What produces these figures

WLTP combined
16.7 kWh/100 km · 7.5 L/100 km
Powertrain
Fully electric · Combustion
Power
544 ch · 333 ch
Kerb weight
2,090 kg · 1,840 kg

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Frequently asked questions

On a 100 km mixed trip, the MG Cyberster AWD is about 80% cheaper than the BMW 840i Convertible with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the MG Cyberster AWD is 443 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

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