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Audi S6 Sportback e-tron vs BMW iX xDrive50 I20: 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 2023 · 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

Gap160 € per yearin favour of the S6 Sportback e-tron (−24 %)≈ 74 L petrol 95
BBMW iX xDrive50 I20

675 €per year

22,5 kWh/100 km weighted · 4.50 € per 100 km · 3 375 kWh per year

The verdict changes with your usage
ProfileSplitAA · S6BB · iXGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway438 €689 €251 € · S6
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway515 €675 €160 € · S6
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway609 €692 €82 € · S6

Cumulative saving for the S6 Sportback e-tron

1 year
160 €
3 years
481 €
5 years
801 €
10 years
1,603 €

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

What produces these figures

WLTP combined
16.5 kWh/100 km · 21.1 kWh/100 km
Powertrain
Fully electric · Fully electric
Power
543 ch · 523 ch
Kerb weight
2,325 kg · 2,585 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 iX xDrive50 with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

BMW iX xDrive50 offers more range: 630 km vs 594 km for Audi S6 Sportback e-tron (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
· iX