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Porsche Cayenne Turbo vs Audi A6 Sportback e-tron: 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 · 2013 vs 2026 · 15,000 km/an · Mixed · Petrol 95 2.17 €/L · Home 0.20 €/kWh · 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
Charging type

Result · yearly energy cost

APorsche Cayenne Turbo

4,476 €per year

13,8 L/100 km weighted · 29.84 € per 100 km · 2 063 L per year

Gap4,011 € per yearin favour of the A6 Sportback e-tron (−90 %)≈ 1,848 L petrol 95
BAudi A6 Sportback e-tron

465 €per year

15,5 kWh/100 km weighted · 3.10 € per 100 km · 2 324 kWh per year

The verdict changes with your usage
ProfileSplitAA · CayenneBB · A6Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway4,874 €396 €4,479 € · A6
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway4,476 €465 €4,011 € · A6
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway4,049 €550 €3,499 € · A6

Cumulative saving for the A6 Sportback e-tron

1 year
4,011 €
3 years
12,032 €
5 years
20,053 €
10 years
40,105 €

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

What produces these figures

WLTP combined
13.8 L/100 km · 14.9 L/100 km
Powertrain
Combustion · Fully electric
Power
520 ch · 367 ch
Kerb weight
2,170 kg · 2,175 kg

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Frequently asked questions

On a 100 km mixed trip, the Audi A6 Sportback e-tron is about 90% cheaper than the Porsche Cayenne Turbo with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the Audi A6 Sportback e-tron is 681 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

The Audi A6 Sportback e-tron is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.

Specs
Cayenne
· A6