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X4vsCayenneDiesel
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  • SpecsX4 · Cayenne

BMW X4 xDrive30d G02 vs Porsche Cayenne Diesel: 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 2013 · 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 X4 xDrive30d G02

2,199 €per year

6,2 L/100 km weighted · 14.66 € per 100 km · 926 L per year

Gap1,458 € per yearin favour of the X4 xDrive30d (−40 %)≈ 614 L diesel
BPorsche Cayenne Diesel

3,657 €per year

10,3 L/100 km weighted · 24.38 € per 100 km · 1 539 L per year

The verdict changes with your usage
ProfileSplitAA · X4BB · CayenneGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,354 €3,997 €1,643 € · X4
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,199 €3,657 €1,458 € · X4
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,081 €3,318 €1,237 € · X4

Cumulative saving for the X4 xDrive30d

1 year
1,458 €
3 years
4,373 €
5 years
7,288 €
10 years
14,577 €

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

What produces these figures

WLTP combined
6.0 L/100 km · 10.2 L/100 km
Powertrain
Combustion · Combustion
Power
265 ch · 243 ch
Kerb weight
1,820 kg · 2,175 kg

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PorscheVSAudi

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gap 1 004 €/year
AudiVSBMW

Q5 Sportback vs X4 xDrive30d

gap 366 €/year
PorscheVSAudi

Cayenne Diesel vs Q7 SUV

gap 942 €/year

Frequently asked questions

On a 100 km mixed trip, the BMW X4 xDrive30d is about 40% cheaper than the Porsche Cayenne Diesel with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW X4 xDrive30d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.