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S6vsA6BEV
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Audi S6 Avant e-tron 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.

grand tourer · 2026 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

AAudi S6 Avant e-tron

418 €per year

13,9 kWh/100 km weighted · 2.79 € per 100 km · 2 090 kWh per year

Gap19 € per yearin favour of the S6 Avant e-tron (−4 %)≈ 9 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 · S6BB · A6Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway356 €372 €16 € · S6
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway418 €437 €19 € · S6
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway495 €517 €22 € · S6

Cumulative saving for the S6 Avant e-tron

1 year
19 €
3 years
56 €
5 years
94 €
10 years
187 €

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

What produces these figures

WLTP combined
13.4 L/100 km · 14.0 kWh/100 km
Powertrain
Fully electric · Fully electric
Power
543 ch · 286 ch
Kerb weight
2,335 kg · 2,100 kg

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Frequently asked questions

On a 100 km mixed trip, the Audi S6 Avant e-tron and Audi A6 Sportback e-tron 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: 616 km vs 608 km for Audi S6 Avant e-tron (WLTP/EPA). In real motorway use, expect 10-20% less depending on temperature.

The Audi S6 Avant 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
· A6