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S5PetrolvsX6Hybrid
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  • ConsumptionConsumptionYearly cost
  • SpecsS5 · X6

Audi S5 Avant vs BMW X6 xDrive40i G06: 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.

saloon · 2026 vs 2021 · 15,000 km/an · Mixed · Petrol 95 2.17 €/L · Methodology
Annual mileage
15,000 km
5,000 km50,000 km
Driving mix

30 % City · 50 % Road · 20 % Motorway

Fuel price
Petrol 95 2.17 €/L · Diesel 2.38 €/Lprix-carburants.gouv.fr — moyenne nationale du 05/10/2026 ; EDF Tarif Bleu Base au 01/08/2026 ; DC autoroute : moyenne des réseaux sans abonnement

Result · yearly energy cost

AAudi S5 Avant

2,526 €per year

7,8 L/100 km weighted · 16.84 € per 100 km · 1 164 L per year

Gap244 € per yearin favour of the S5 Avant (−9 %)≈ 112 L petrol 95
BBMW X6 xDrive40i G06

2,770 €per year

8,5 L/100 km weighted · 18.47 € per 100 km · 1 277 L per year

The verdict changes with your usage
ProfileSplitAA · S5BB · X6Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,585 €3,040 €456 € · S5
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,526 €2,770 €244 € · S5
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,409 €2,562 €153 € · S5

Cumulative saving for the S5 Avant

1 year
244 €
3 years
732 €
5 years
1,220 €
10 years
2,441 €

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

What produces these figures

WLTP combined
8.0 L/100 km · 8.2 L/100 km
Powertrain
Combustion · Mild hybrid 48 V
Power
367 ch · 333 ch
Kerb weight
1,965 kg · 2,095 kg

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Frequently asked questions

On a 100 km mixed trip, the Audi S5 Avant is about 10% cheaper than the BMW X6 xDrive40i with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The Audi S5 Avant is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.