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i7vsA6BEV
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BMW i7 M70 xDrive G70 vs Audi A6 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

Gap265 € per yearin favour of the A6 Sportback e-tron (−38 %)≈ 122 L petrol 95
BAudi A6 Sportback e-tron

437 €per year

14,6 kWh/100 km weighted · 2.91 € per 100 km · 2 184 kWh per year

The verdict changes with your usage
ProfileSplitAA · i7BB · A6Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway598 €372 €226 € · A6
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway702 €437 €265 € · A6
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway831 €517 €314 € · A6

Cumulative saving for the A6 Sportback e-tron

1 year
265 €
3 years
796 €
5 years
1,327 €
10 years
2,653 €

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

What produces these figures

WLTP combined
22.5 kWh/100 km · 14.0 kWh/100 km
Powertrain
Fully electric · Fully electric
Power
659 ch · 286 ch
Kerb weight
2,795 kg · 2,100 kg

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Frequently asked questions

On a 100 km mixed trip, the Audi A6 Sportback e-tron is about 40% cheaper than the BMW i7 M70 xDrive with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

Audi A6 Sportback e-tron offers more range: 616 km vs 560 km for BMW i7 M70 xDrive (WLTP/EPA). In real motorway use, expect 10-20% less depending on temperature.

The Audi A6 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
· A6