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S6BEVvs320dDiesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs

Audi S6 Sportback e-tron vs BMW 320d Steptronic G20: which one uses less fuel?

Same car, two powertrains. The simulator below calculates the gap based on your mileage and charging type.

grand tourer · 2026 vs 2019 · 15,000 km/an · Mixed · Diesel 2.25 €/L · Home 0.20 €/kWh · Methodology

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

Gap1,035 €per year in favour of the S6 Sportback e-tron (−67 %)≈ 461 L diesel
BBMW 320d Steptronic G20

1,550 €per year

4,6 L/100 km weighted · 10.33 € per 100 km · 690 L per year

Annual mileage
15,000 km
5,000 km50,000 km
Driving mix
Charging type
Fuel price : Petrol 95 2.03 €/L · Diesel 2.25 €/Lprix-carburants.gouv.fr — moyenne nationale du 25/08/2026 ; EDF Tarif Bleu Base au 01/08/2026 ; DC autoroute : moyenne des réseaux sans abonnement
The verdict changes with your usage
ProfileSplitS6320dGap
City70 % city · 25 % road · 5 % motorway438 €1,651 €1,213 € · S6
Mixed30 % city · 50 % road · 20 % motorway515 €1,550 €1,035 € · S6
Long-distance10 % city · 40 % road · 50 % motorway609 €1,469 €860 € · S6

Cumulative saving for the S6 Sportback e-tron

1 year
1,035 €
3 years
3,104 €
5 years
5,173 €
10 years
10,347 €

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

What produces these figures

WLTP combined
16.5 kWh/100 km · 4.5 L/100 km
Powertrain
Fully electric · Combustion
Power
543 ch · 190 ch
Kerb weight
2,325 kg · 1,455 kg

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Frequently asked questions

On a 100 km mixed trip, the Audi S6 Sportback e-tron is about 65% cheaper than the BMW 320d Steptronic with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the Audi S6 Sportback e-tron is 594 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

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
· 320d