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M5PetrolvsS6BEV
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsM5 · S6

BMW M5 F90 vs Audi S6 Sportback e-tron: 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 2026 · 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 F90

3,750 €per year

11,5 L/100 km weighted · 25.00 € per 100 km · 1 728 L per year

Gap3,235 € per yearin favour of the S6 Sportback e-tron (−86 %)≈ 1,491 L petrol 95
BAudi S6 Sportback e-tron

515 €per year

17,2 kWh/100 km weighted · 3.43 € per 100 km · 2 574 kWh per year

The verdict changes with your usage
ProfileSplitAA · M5BB · S6Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway4,542 €438 €4,104 € · S6
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway3,750 €515 €3,235 € · S6
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,141 €609 €2,532 € · S6

Cumulative saving for the S6 Sportback e-tron

1 year
3,235 €
3 years
9,704 €
5 years
16,174 €
10 years
32,347 €

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

What produces these figures

WLTP combined
10.6 L/100 km · 16.5 kWh/100 km
Powertrain
Combustion · Fully electric
Power
600 ch · 543 ch
Kerb weight
1,895 kg · 2,325 kg

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Frequently asked questions

On a 100 km mixed trip, the Audi S6 Sportback e-tron is about 85% cheaper than the BMW M5 with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the Audi S6 Sportback e-tron is 594 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

The Audi S6 Sportback e-tron is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.