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RSPetrolvsX6Diesel
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  • SpecsRS · X6

Audi RS Q8 SUV vs BMW X6 M50d F16: 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.

large SUV · 2026 vs 2018 · 15,000 km/an · Mixed · Petrol 95 2.17 €/L · Diesel 2.38 €/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 RS Q8 SUV

5,081 €per year

15,6 L/100 km weighted · 33.87 € per 100 km · 2 342 L per year

Gap2,180 € per yearin favour of the X6 M50d (−43 %)≈ 1,005 L petrol 95
BBMW X6 M50d F16

2,901 €per year

8,1 L/100 km weighted · 19.34 € per 100 km · 1 221 L per year

The verdict changes with your usage
ProfileSplitAA · RSBB · X6Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway5,343 €3,104 €2,239 € · X6
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway5,081 €2,901 €2,180 € · X6
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway5,280 €2,751 €2,528 € · X6

Cumulative saving for the X6 M50d

1 year
2,180 €
3 years
6,540 €
5 years
10,900 €
10 years
21,800 €

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

What produces these figures

WLTP combined
13.6 L/100 km · 7.9 L/100 km
Powertrain
Combustion · Combustion
Power
600 ch · 381 ch
Kerb weight
2,315 kg · 2,185 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW X6 M50d is about 45% cheaper than the Audi RS Q8 SUV with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW X6 M50d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.