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CayennevsQ7Petrol
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  • SpecsCayenne · Q7

Porsche Cayenne S vs Audi Q7 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 · 2015 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

APorsche Cayenne S

3,367 €per year

10,3 L/100 km weighted · 22.45 € per 100 km · 1 552 L per year

Gap105 € per yearin favour of the Cayenne S (−3 %)≈ 48 L petrol 95
BAudi Q7 SUV

3,472 €per year

10,7 L/100 km weighted · 23.15 € per 100 km · 1 600 L per year

The verdict changes with your usage
ProfileSplitAA · CayenneBB · Q7Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway3,762 €3,552 €211 € · Q7
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway3,367 €3,472 €105 € · Cayenne
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,061 €3,312 €250 € · Cayenne

Cumulative saving for the Cayenne S

1 year
105 €
3 years
314 €
5 years
524 €
10 years
1,048 €

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

What produces these figures

WLTP combined
9.9 L/100 km · 11.0 L/100 km
Powertrain
Combustion · Combustion
Power
420 ch · 340 ch
Kerb weight
2,085 kg · 2,115 kg

Other similar comparisons

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AudiVSBMW

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gap 711 €/year
PorscheVSAudi

Cayenne S vs Q8 SUV

gap 347 €/year
AudiVSPorsche

Q7 SUV vs Cayenne

gap 301 €/year

Frequently asked questions

On a 100 km mixed trip, the Porsche Cayenne S and Audi Q7 SUV have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

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