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M850iPetrolvsModel 3BEV
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumption

BMW M850i xDrive Convertible G15 vs Tesla Model 3 Performance: 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.

limousine · 2020 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

ABMW M850i xDrive Convertible G15

3,532 €per year

10,8 L/100 km weighted · 23.54 € per 100 km · 1 627 L per year

Gap3,011 € per yearin favour of the Model 3 Performance (−85 %)≈ 1,388 L petrol 95
BTesla Model 3 Performance

521 €per year

17,3 kWh/100 km weighted · 3.47 € per 100 km · 2 602 kWh per year

The verdict changes with your usage
ProfileSplitAA · M850iBB · Model 3Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway4,183 €511 €3,671 € · Model 3
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway3,532 €521 €3,011 € · Model 3
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,030 €548 €2,482 € · Model 3

Cumulative saving for the Model 3 Performance

1 year
3,011 €
3 years
9,033 €
5 years
15,055 €
10 years
30,111 €

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

What produces these figures

WLTP combined
10.1 L/100 km · 16.5 kWh/100 km
Powertrain
Combustion · Fully electric
Power
530 ch · 456 ch
Kerb weight
2,050 kg · 1,836 kg

Other similar comparisons

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Panamera Turbo vs M850i xDrive Convertible

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TeslaVSBMW

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gap 80 €/year

Frequently asked questions

On a 100 km mixed trip, the Tesla Model 3 Performance is about 85% cheaper than the BMW M850i xDrive Convertible with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the Tesla Model 3 Performance is 547 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

The Tesla Model 3 Performance is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.

Yearly cost
  • SpecsM850i · Model 3