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Q8vsCayennePetrol
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  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsQ8 · Cayenne

Audi Q8 SUV vs Porsche Cayenne V6: 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 2013 · 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 Q8 SUV

3,628 €per year

11,1 L/100 km weighted · 24.18 € per 100 km · 1 672 L per year

Gap665 € per yearin favour of the Q8 SUV (−15 %)≈ 307 L petrol 95
BPorsche Cayenne V6

4,293 €per year

13,2 L/100 km weighted · 28.62 € per 100 km · 1 978 L per year

The verdict changes with your usage
ProfileSplitAA · Q8BB · CayenneGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway3,694 €4,658 €964 € · Q8
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway3,628 €4,293 €665 € · Q8
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,499 €3,934 €435 € · Q8

Cumulative saving for the Q8 SUV

1 year
665 €
3 years
1,996 €
5 years
3,326 €
10 years
6,653 €

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

What produces these figures

WLTP combined
11.4 L/100 km · 13.1 L/100 km
Powertrain
Combustion · Combustion
Power
340 ch · 304 ch
Kerb weight
2,100 kg · 1,995 kg

Other similar comparisons

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Q8 SUV vs X5 xDrive40i

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AudiVSPorsche

Q7 SUV vs Cayenne V6

gap 1 037 €/year
AudiVSPorsche

Q8 SUV vs Cayenne

gap 94 €/year
AudiVSPorsche

Q7 SUV vs Cayenne V6

gap 1 094 €/year

Frequently asked questions

On a 100 km mixed trip, the Audi Q8 SUV is about 15% cheaper than the Porsche Cayenne V6 with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The Audi Q8 SUV is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.