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X4DieselvsQ5Petrol
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  • SpecsX4 · Q5

BMW X4 M40d G02 vs Audi Q5 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 · 2018 vs 2026 · 15,000 km/an · Mixed · Diesel 2.38 €/L · 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 X4 M40d G02

2,406 €per year

6,8 L/100 km weighted · 16.04 € per 100 km · 1 013 L per year

Gap68 € per yearin favour of the X4 M40d (−3 %)≈ 31 L petrol 95
BAudi Q5 Sportback

2,474 €per year

7,6 L/100 km weighted · 16.49 € per 100 km · 1 140 L per year

The verdict changes with your usage
ProfileSplitAA · X4BB · Q5Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,522 €2,523 €Nearly level
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,406 €2,474 €Nearly level
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,324 €2,376 €Nearly level

Cumulative saving for the X4 M40d

1 year
68 €
3 years
204 €
5 years
341 €
10 years
681 €

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

What produces these figures

WLTP combined
6.6 L/100 km · 7.8 L/100 km
Powertrain
Combustion · Combustion
Power
326 ch · 272 ch
Kerb weight
1,895 kg · 1,920 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW X4 M40d and Audi Q5 Sportback have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

The BMW X4 M40d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.