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X5HybridvsQ8Diesel
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  • SpecsX5 · Q8

BMW X5 xDrive40d G05 vs Audi Q8 SUV: 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 · 2020 vs 2026 · 15,000 km/an · Mixed · 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

ABMW X5 xDrive40d G05

2,374 €per year

6,7 L/100 km weighted · 15.82 € per 100 km · 999 L per year

Gap707 € per yearin favour of the X5 xDrive40d (−23 %)≈ 297 L diesel
BAudi Q8 SUV

3,080 €per year

8,6 L/100 km weighted · 20.54 € per 100 km · 1 296 L per year

The verdict changes with your usage
ProfileSplitAA · X5BB · Q8Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,616 €3,124 €508 € · X5
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,374 €3,080 €707 € · X5
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,188 €2,994 €806 € · X5

Cumulative saving for the X5 xDrive40d

1 year
707 €
3 years
2,120 €
5 years
3,534 €
10 years
7,067 €

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

What produces these figures

WLTP combined
6.4 L/100 km · 8.8 L/100 km
Powertrain
Mild hybrid 48 V · Combustion
Power
340 ch · 286 ch
Kerb weight
2,200 kg · 2,160 kg

Other similar comparisons

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X5 xDrive40d vs Q7 SUV

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Q8 SUV vs X5 xDrive30d

gap 1 061 €/year
BMWVSAudi

X5 xDrive40d vs Q7 SUV

gap 707 €/year
AudiVSBMW

Q8 SUV vs X5 xDrive30d

gap 1 061 €/year

Frequently asked questions

On a 100 km mixed trip, the BMW X5 xDrive40d is about 25% cheaper than the Audi Q8 SUV with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW X5 xDrive40d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.