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X3vsQ3Petrol
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BMW X3 M40i G01 vs Audi Q3 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.

family SUV · 2021 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 X3 M40i G01

2,747 €per year

8,4 L/100 km weighted · 18.31 € per 100 km · 1 266 L per year

Gap468 € per yearin favour of the Q3 Sportback (−17 %)≈ 216 L petrol 95
BAudi Q3 Sportback

2,279 €per year

7,0 L/100 km weighted · 15.19 € per 100 km · 1 050 L per year

The verdict changes with your usage
ProfileSplitAA · X3BB · Q3Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway3,030 €2,546 €484 € · Q3
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,747 €2,279 €468 € · Q3
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,532 €2,072 €461 € · Q3

Cumulative saving for the Q3 Sportback

1 year
468 €
3 years
1,405 €
5 years
2,341 €
10 years
4,682 €

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

What produces these figures

WLTP combined
8.1 L/100 km · 6.7 L/100 km
Powertrain
Combustion · Combustion
Power
360 ch · 150 ch
Kerb weight
1,870 kg · 1,560 kg

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Frequently asked questions

On a 100 km mixed trip, the Audi Q3 Sportback is about 15% cheaper than the BMW X3 M40i with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The Audi Q3 Sportback is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.