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  • SpecsA6 · i3s

Audi A6 Sportback e-tron vs BMW i3s I01: 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 2018 · 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 A6 Sportback e-tron

465 €per year

15,5 kWh/100 km weighted · 3.10 € per 100 km · 2 324 kWh per year

Gap9 € per yearin favour of the i3s (−2 %)≈ 4 L petrol 95
BBMW i3s I01

456 €per year

15,2 kWh/100 km weighted · 3.04 € per 100 km · 2 278 kWh per year

The verdict changes with your usage
ProfileSplitAA · A6BB · i3sGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway396 €388 €Nearly level
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway465 €456 €Nearly level
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway550 €539 €Nearly level

Cumulative saving for the i3s

1 year
9 €
3 years
28 €
5 years
47 €
10 years
94 €

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

What produces these figures

WLTP combined
14.9 L/100 km · 14.6 kWh/100 km
Powertrain
Fully electric · Fully electric
Power
367 ch · 184 ch
Kerb weight
2,175 kg · 1,290 kg

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Frequently asked questions

On a 100 km mixed trip, the Audi A6 Sportback e-tron and BMW i3s have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

Audi A6 Sportback e-tron offers more range: 681 km vs 330 km for BMW i3s (WLTP/EPA). In real motorway use, expect 10-20% less depending on temperature.

The BMW i3s is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.