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M5PetrolvsTaycanBEV
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumption

BMW M5 CS F90 vs Porsche Taycan with Performance Battery Plus (PB): 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 · 2021 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 CS F90

3,987 €per year

12,3 L/100 km weighted · 26.58 € per 100 km · 1 838 L per year

Gap3,280 € per yearin favour of the Taycan with Performance Battery Plus (PB) (−82 %)≈ 1,512 L petrol 95
BPorsche Taycan with Performance Battery Plus (PB)

707 €per year

23,6 kWh/100 km weighted · 4.72 € per 100 km · 3 535 kWh per year

The verdict changes with your usage
ProfileSplitAA · M5BB · TaycanGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway4,834 €761 €4,072 € · Taycan
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway3,987 €707 €3,280 € · Taycan
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,330 €696 €2,634 € · Taycan

Cumulative saving for the Taycan with Performance Battery Plus (PB)

1 year
3,280 €
3 years
9,840 €
5 years
16,400 €
10 years
32,801 €

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

What produces these figures

WLTP combined
11.3 L/100 km · 21.5 kWh/100 km
Powertrain
Combustion · Fully electric
Power
635 ch · 469 ch
Kerb weight
1,825 kg · 2,151 kg

Other similar comparisons

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PorscheVSAudi

Taycan with Performance Battery Plus (PB) vs A6 Sportback e-tron quattro 315 kW

gap 352 €/year

Frequently asked questions

On a 100 km mixed trip, the Porsche Taycan with Performance Battery Plus (PB) is about 80% cheaper than the BMW M5 CS with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the Porsche Taycan with Performance Battery Plus (PB) is 484 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

The Porsche Taycan with Performance Battery Plus (PB) 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
  • SpecsM5 · Taycan