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M850ivsRS 3Petrol
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  • ConsumptionConsumptionYearly cost
  • SpecsM850i · RS 3

BMW M850i xDrive G15 vs Audi RS 3 Sportback: 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.

limousine · 2020 vs 2026 · 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

ABMW M850i xDrive G15

3,496 €per year

10,7 L/100 km weighted · 23.31 € per 100 km · 1 611 L per year

Gap442 € per yearin favour of the RS 3 Sportback (−13 %)≈ 204 L petrol 95
BAudi RS 3 Sportback

3,054 €per year

9,4 L/100 km weighted · 20.36 € per 100 km · 1 407 L per year

The verdict changes with your usage
ProfileSplitAA · M850iBB · RS 3Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway4,129 €3,060 €1,069 € · RS 3
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway3,496 €3,054 €442 € · RS 3
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,011 €3,043 €Nearly level

Cumulative saving for the RS 3 Sportback

1 year
442 €
3 years
1,326 €
5 years
2,210 €
10 years
4,420 €

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

What produces these figures

WLTP combined
10.0 L/100 km · 9.4 L/100 km
Powertrain
Combustion · Combustion
Power
530 ch · 400 ch
Kerb weight
1,930 kg · 1,565 kg

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Frequently asked questions

On a 100 km mixed trip, the Audi RS 3 Sportback is about 15% cheaper than the BMW M850i xDrive with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The Audi RS 3 Sportback is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.