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Audi S6 Sportback e-tron vs BMW i4 eDrive35 G26: 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 · 2026 vs 2024 · 15,000 km/an · Mixed · Home 0.20 €/kWh · Methodology
Annual mileage
15,000 km
5,000 km50,000 km
Driving mix

30 % City · 50 % Road · 20 % Motorway

Charging type

Result · yearly energy cost

AAudi S6 Sportback e-tron

515 €per year

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

Gap66 € per yearin favour of the S6 Sportback e-tron (−11 %)≈ 30 L petrol 95
BBMW i4 eDrive35 G26

581 €per year

19,3 kWh/100 km weighted · 3.87 € per 100 km · 2 902 kWh per year

The verdict changes with your usage
ProfileSplitAA · S6BB · i4Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway438 €494 €56 € · S6
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway515 €581 €66 € · S6
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway609 €687 €78 € · S6

Cumulative saving for the S6 Sportback e-tron

1 year
66 €
3 years
197 €
5 years
328 €
10 years
656 €

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

What produces these figures

WLTP combined
16.5 kWh/100 km · 18.6 kWh/100 km
Powertrain
Fully electric · Fully electric
Power
543 ch · 286 ch
Kerb weight
2,325 kg · 2,000 kg

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Frequently asked questions

On a 100 km mixed trip, the Audi S6 Sportback e-tron is about 10% cheaper than the BMW i4 eDrive35 with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

Audi S6 Sportback e-tron offers more range: 594 km vs 406 km for BMW i4 eDrive35 (WLTP/EPA). In real motorway use, expect 10-20% less depending on temperature.

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.

S6
· i4