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RS6vsX6Petrol
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  • SpecsRS6 · X6

Audi RS6 Performance Avant vs BMW X6 M Competition 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.

grand tourer · 2023 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 RS6 Performance Avant

4,082 €per year

12,5 L/100 km weighted · 27.21 € per 100 km · 1 881 L per year

Gap511 € per yearin favour of the RS6 Performance Avant (−11 %)≈ 236 L petrol 95
BBMW X6 M Competition G06

4,593 €per year

14,1 L/100 km weighted · 30.62 € per 100 km · 2 117 L per year

The verdict changes with your usage
ProfileSplitAA · RS6BB · X6Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway4,560 €5,465 €905 € · RS6
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway4,082 €4,593 €511 € · RS6
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,711 €3,922 €212 € · RS6

Cumulative saving for the RS6 Performance Avant

1 year
511 €
3 years
1,533 €
5 years
2,555 €
10 years
5,110 €

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

What produces these figures

WLTP combined
12.0 L/100 km · 13.1 L/100 km
Powertrain
Combustion · Combustion
Power
630 ch · 625 ch
Kerb weight
2,175 kg · 2,320 kg

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Frequently asked questions

On a 100 km mixed trip, the Audi RS6 Performance Avant is about 10% cheaper than the BMW X6 M Competition with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The Audi RS6 Performance Avant is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.