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ModelBEVvsA6 50Diesel
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Tesla Model S 85 vs Audi A6 50 TDI quattro: 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.

grand tourer · 2012 vs 2020 · 15,000 km/an · Mixed · Diesel 2.38 €/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

ATesla Model S 85

702 €per year

23,4 kWh/100 km weighted · 4.68 € per 100 km · 3 507 kWh per year

Gap1,645 € per yearin favour of the Model S 85 (−70 %)≈ 692 L diesel
BAudi A6 50 TDI quattro

2,346 €per year

6,6 L/100 km weighted · 15.64 € per 100 km · 988 L per year

The verdict changes with your usage
ProfileSplitAA · ModelBB · A6 50Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway682 €2,621 €1,940 € · Model
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway702 €2,346 €1,645 € · Model
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway719 €2,133 €1,414 € · Model

Cumulative saving for the Model S 85

1 year
1,645 €
3 years
4,934 €
5 years
8,223 €
10 years
16,447 €

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

What produces these figures

WLTP combined
23.5 kWh/100 km · 6.3 L/100 km
Powertrain
Fully electric · Combustion
Power
362 ch · 286 ch
Kerb weight
2,108 kg · 1,870 kg

Other similar comparisons

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A6 Avant e-tron vs Model S 85

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BMWVSTesla

i5 xDrive40 vs Model S 85

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AudiVSBMW

A6 50 TDI quattro vs 530d

gap 800 €/year

Frequently asked questions

On a 100 km mixed trip, the Tesla Model S 85 is about 70% cheaper than the Audi A6 50 TDI quattro with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the Tesla Model S 85 is 426 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

The Tesla Model S 85 is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.

Model
· A6 50