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M5PetrolvsSPHEV
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BMW M5 CS F90 vs Mercedes S 580 e 4MATIC W223: which is cheaper to run?

What each kilometre costs, depending on your driving profile, how you charge and the share of the trip driven on electricity or fuel.

grand tourer · 2021 vs 2024 · 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

Gap2,976 € per yearin favour of the S 580 e 4MATIC (−75 %)≈ 1,372 L petrol 95
BMercedes S 580 e 4MATIC W223

1,011 €per year

26,7 kWh/100 km weighted · 6.74 € per 100 km · 1 411 L per year

The verdict changes with your usage
ProfileSplitAA · M5BB · SGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway4,834 €1,011 €3,822 € · S
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway3,987 €1,011 €2,976 € · S
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,330 €1,011 €2,319 € · S

Cumulative saving for the S 580 e 4MATIC

1 year
2,976 €
3 years
8,929 €
5 years
14,881 €
10 years
29,762 €

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

What produces these figures

WLTP combined
11.3 L/100 km · 25.7 kWh/100 km
Powertrain
Combustion · Plug-in hybrid
Power
635 ch · 510 ch
Kerb weight
1,825 kg · 2,470 kg

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MercedesVSAudi

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gap 1 372 €/year

Frequently asked questions

On a 100 km mixed trip, the Mercedes S 580 e 4MATIC is about 75% 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 Mercedes S 580 e 4MATIC is 93 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

The Mercedes S 580 e 4MATIC is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.