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Home›Consumption›Porsche Cayenne vs Audi Q8

Consumption comparison

Porsche Cayenne S 958.1 vs Audi Q8 SUV: how much do I save per year?

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

PorschePetrol

Cayenne S 958.1

84.793184 L · 2012

13,1 L/100km

VS
AudiPetrolMost economical

Q8 SUV

85 L · 2026

11,4 L/100km

MotorwayRange & chargingPerformance0-100, top speedConsumptionAnnual TCO

Annual mileage

15 000 km/an

5 000 km50 000 km

Simulated driving mix

Drag anywhere on the bar to adjust

Fuel price

Petrol 95 : 1,99 €/L·Diesel : 1,75 €/L

Annual energy cost · 15 000 km

Typical annual usage : Mix 30% city / 50% road / 20% motorway

PorschePetrol

Cayenne S 958.1

Annual energy cost · 15 000 km

3 910€

26,07 € / 100 km

Equivalent to 1 965 L of petrol 95 per year

Weighted consumption
13,1 L/100km
Fuel price
1,99 €/L
Fuel used
1965,0 L per year
AudiPetrolMost economical

Q8 SUV

Annual energy cost · 15 000 km

3 327€

22,18 € / 100 km

Equivalent to 1 672 L of petrol 95 per year

Weighted consumption
11,1 L/100km
Fuel price
1,99 €/L
Fuel used
1671,7 L per year
Annual gap Q8 SUV vs Cayenne S+584 €/an≈ 293 L petrol 95

Audi Q8 SUV costs 584 €/an less in energy than Porsche Cayenne S 958.1, over 15 000 km for this driving mix.

≈ 293 L of petrol 95 saved per year

Your savings over the ownership period

Cumulative projection by annual mileage. The cheaper-to-run vehicle widens the gap year after year.

Annual mileage

15 000 km/an

1 year

584 €

≈ 293 L petrol 95

3 years

1 751 €

≈ 880 L petrol 95

5 years

2 919 €

≈ 1467 L petrol 95

10 years

5 837 €

≈ 2933 L petrol 95

Cumulative savings for Audi Q8 SUV versus Porsche Cayenne S 958.1. Excluding purchase, insurance, maintenance and depreciation.

Annual fuel cost breakdown

Projection over 15 000 km/year.

Porsche

Cayenne S 958.1

Fuelkm/year€/kmAnnual cost
Annual fuel1,99 €/L15 000 km0,261 €/km3 910 €
Audi

Q8 SUV

Fuelkm/year€/kmAnnual cost
Annual fuel1,99 €/L15 000 km0,222 €/km3 327 €

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Frequently asked questions

On a 100 km mixed trip, the Audi Q8 SUV is about 15% cheaper than the Porsche Cayenne S 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.