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M5PetrolvsTaycanBEV
  • MotorwayMotorwayRange and charging
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BMW M5 Competition F90 vs Porsche Taycan GTS: 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 · 2020 vs 2023 · 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 M5 Competition F90

3,756 €per year

11,5 L/100 km weighted · 25.04 € per 100 km · 1 731 L per year

Gap3,071 € per yearin favour of the Taycan GTS (−82 %)≈ 1,415 L petrol 95
BPorsche Taycan GTS

685 €per year

22,8 kWh/100 km weighted · 4.57 € per 100 km · 3 424 kWh per year

The verdict changes with your usage
ProfileSplitAA · M5BB · TaycanGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway4,544 €721 €3,823 € · Taycan
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway3,756 €685 €3,071 € · Taycan
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,157 €703 €2,455 € · Taycan

Cumulative saving for the Taycan GTS

1 year
3,071 €
3 years
9,213 €
5 years
15,356 €
10 years
30,711 €

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

What produces these figures

WLTP combined
10.6 L/100 km · 20.3 kWh/100 km
Powertrain
Combustion · Fully electric
Power
625 ch · 590 ch
Kerb weight
1,895 kg · 2,303 kg

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Frequently asked questions

On a 100 km mixed trip, the Porsche Taycan GTS is about 80% cheaper than the BMW M5 Competition with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the Porsche Taycan GTS is 504 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

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

M5
· Taycan