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Q7vsCayennePetrol
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  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsQ7 · Cayenne

Audi Q7 SUV vs Porsche Cayenne E3.1: which one uses less fuel?

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

large SUV · 2026 vs 2019 · 15,000 km/an · Mixed · Petrol 95 2.03 €/L · Methodology

Result · yearly energy cost

AAudi Q7 SUV

3,293 €per year

10,8 L/100 km weighted · 21.95 € per 100 km · 1 620 L per year

Gap171 €per year in favour of the Q7 SUV (−5 %)≈ 84 L petrol 95
BPorsche Cayenne E3.1

3,464 €per year

11,4 L/100 km weighted · 23.09 € per 100 km · 1 704 L per year

Annual mileage
15,000 km
5,000 km50,000 km
Driving mix
Fuel price : Petrol 95 2.03 €/L · Diesel 2.25 €/Lprix-carburants.gouv.fr — moyenne nationale du 25/08/2026 ; EDF Tarif Bleu Base au 01/08/2026 ; DC autoroute : moyenne des réseaux sans abonnement
The verdict changes with your usage
ProfileSplitQ7CayenneGap
City70 % city · 25 % road · 5 % motorway3,337 €3,656 €319 € · Q7
Mixed30 % city · 50 % road · 20 % motorway3,293 €3,464 €171 € · Q7
Long-distance10 % city · 40 % road · 50 % motorway3,203 €3,300 €Nearly level

Cumulative saving for the Q7 SUV

1 year
171 €
3 years
513 €
5 years
855 €
10 years
1,710 €

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

What produces these figures

WLTP combined
11.0 L/100 km · 11.2 L/100 km
Powertrain
Combustion · Combustion
Power
340 ch · 340 ch
Kerb weight
2,055 kg · 1,985 kg

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AudiVSPorsche

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gap 282 €/year
AudiVSPorsche

Q7 SUV vs Cayenne Coupe

gap 580 €/year
AudiVSPorsche

Q8 SUV vs Cayenne

gap 88 €/year

Frequently asked questions

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

The Audi Q7 SUV is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.