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RSvsCayennePetrol
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  • SpecsRS · Cayenne

Audi RS Q8 SUV vs Porsche Cayenne Turbo S: 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 · 2026 vs 2016 · 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

AAudi RS Q8 SUV

5,081 €per year

15,6 L/100 km weighted · 33.87 € per 100 km · 2 342 L per year

Gap897 € per yearin favour of the Cayenne Turbo S (−18 %)≈ 413 L petrol 95
BPorsche Cayenne Turbo S

4,184 €per year

12,9 L/100 km weighted · 27.89 € per 100 km · 1 928 L per year

The verdict changes with your usage
ProfileSplitAA · RSBB · CayenneGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway5,343 €4,674 €669 € · Cayenne
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway5,081 €4,184 €897 € · Cayenne
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway5,280 €3,803 €1,476 € · Cayenne

Cumulative saving for the Cayenne Turbo S

1 year
897 €
3 years
2,692 €
5 years
4,486 €
10 years
8,972 €

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

What produces these figures

WLTP combined
13.6 L/100 km · 12.3 L/100 km
Powertrain
Combustion · Combustion
Power
600 ch · 570 ch
Kerb weight
2,315 kg · 2,235 kg

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gap 522 €/year

Frequently asked questions

On a 100 km mixed trip, the Porsche Cayenne Turbo S is about 20% cheaper than the Audi RS Q8 SUV with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

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