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CayennePetrolvsX6Hybrid
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  • SpecsCayenne · X6

Porsche Cayenne GTS 958.2 vs BMW X6 xDrive40d G06: which one uses less fuel?

Same car, two powertrains. The simulator below calculates the gap based on your mileage and charging type.

large SUV · 2016 vs 2020 · 15,000 km/an · Mixed · Petrol 95 2.17 €/L · 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

APorsche Cayenne GTS 958.2

3,912 €per year

12,0 L/100 km weighted · 26.08 € per 100 km · 1 803 L per year

Gap1,602 € per yearin favour of the X6 xDrive40d (−41 %)≈ 738 L petrol 95
BBMW X6 xDrive40d G06

2,309 €per year

6,5 L/100 km weighted · 15.40 € per 100 km · 972 L per year

The verdict changes with your usage
ProfileSplitAA · CayenneBB · X6Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway4,370 €2,546 €1,824 € · X6
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway3,912 €2,309 €1,602 € · X6
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,556 €2,135 €1,421 € · X6

Cumulative saving for the X6 xDrive40d

1 year
1,602 €
3 years
4,807 €
5 years
8,011 €
10 years
16,022 €

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

What produces these figures

WLTP combined
11.5 L/100 km · 6.2 L/100 km
Powertrain
Combustion · Mild hybrid 48 V
Power
440 ch · 340 ch
Kerb weight
2,110 kg · 2,215 kg

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X6 xDrive40d vs Q7 SUV

gap 793 €/year

Frequently asked questions

On a 100 km mixed trip, the BMW X6 xDrive40d is about 40% cheaper than the Porsche Cayenne GTS with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW X6 xDrive40d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.