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ModelBEVvs840iPetrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
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Tesla Model S Performance vs BMW 840i xDrive 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.

grand tourer · 2019 vs 2020 · 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

ATesla Model S Performance

591 €per year

19,7 kWh/100 km weighted · 3.94 € per 100 km · 2 952 kWh per year

Gap2,075 € per yearin favour of the Model S Performance (−78 %)≈ 956 L petrol 95
BBMW 840i xDrive G15

2,666 €per year

8,2 L/100 km weighted · 17.77 € per 100 km · 1 228 L per year

The verdict changes with your usage
ProfileSplitAA · ModelBB · 840iGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway591 €2,998 €2,407 € · Model
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway591 €2,666 €2,075 € · Model
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway599 €2,412 €1,813 € · Model

Cumulative saving for the Model S Performance

1 year
2,075 €
3 years
6,225 €
5 years
10,376 €
10 years
20,751 €

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

What produces these figures

WLTP combined
19.3 kWh/100 km · 7.8 L/100 km
Powertrain
Fully electric · Combustion
Power
778 ch · 333 ch
Kerb weight
2,250 kg · 1,795 kg

Other similar comparisons

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Model S Performance vs Taycan Turbo S

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gap 759 €/year
TeslaVSPorsche

Model S Performance vs Taycan Turbo S Cross Turismo

gap 218 €/year
BMWVSPorsche

840i xDrive vs Panamera 4

gap 759 €/year

Frequently asked questions

On a 100 km mixed trip, the Tesla Model S Performance is about 80% cheaper than the BMW 840i xDrive with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the Tesla Model S Performance is 593 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

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

Specs
Model
· 840i