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i7vsS6BEV
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BMW i7 M70 xDrive G70 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.

limousine · 2023 vs 2026 · 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

ABMW i7 M70 xDrive G70

702 €per year

23,4 kWh/100 km weighted · 4.68 € per 100 km · 3 510 kWh per year

Gap187 € per yearin favour of the S6 Sportback e-tron (−27 %)≈ 86 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 · i7BB · S6Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway598 €438 €159 € · S6
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway702 €515 €187 € · S6
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway831 €609 €222 € · S6

Cumulative saving for the S6 Sportback e-tron

1 year
187 €
3 years
562 €
5 years
936 €
10 years
1,873 €

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

What produces these figures

WLTP combined
22.5 kWh/100 km · 16.5 kWh/100 km
Powertrain
Fully electric · Fully electric
Power
659 ch · 543 ch
Kerb weight
2,795 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 25% cheaper than the BMW i7 M70 xDrive 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 560 km for BMW i7 M70 xDrive (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.

i7
· S6