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  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost

Tesla Model X P100D vs Mercedes C 300 de 4MATIC T-Modell W206: which is cheaper to run?

What each kilometre costs, depending on your driving profile, how you charge and the share of the trip driven on electricity or fuel.

large SUV · 2017 vs 2024 · 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

ATesla Model X P100D

682 €per year

22,7 kWh/100 km weighted · 4.55 € per 100 km · 3 411 kWh per year

Gap147 € per yearin favour of the Model X P100D (−18 %)≈ 68 L petrol 95
BMercedes C 300 de 4MATIC T-Modell W206

830 €per year

23,6 kWh/100 km weighted · 5.53 € per 100 km · 941 L per year

The verdict changes with your usage
ProfileSplitAA · ModelBB · CGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway678 €830 €151 € · Model
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway682 €830 €147 € · Model
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway686 €830 €144 € · Model

Cumulative saving for the Model X P100D

1 year
147 €
3 years
442 €
5 years
736 €
10 years
1,472 €

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

What produces these figures

WLTP combined
22.8 kWh/100 km · 22.7 kWh/100 km
Powertrain
Fully electric · Plug-in hybrid
Power
762 ch · 313 ch
Kerb weight
2,468 kg · 2,235 kg

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Model X P100D vs iX xDrive50

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MercedesVSAudi

C 300 de 4MATIC T-Modell vs A5 Avant e-hybrid quattro 220 kW

TeslaVSBMW

Model X P100D vs iX xDrive40

gap 23 €/year
MercedesVSAudi

C 300 de 4MATIC T-Modell vs A5 Limousine e-hybrid quattro 220 kW

gap 512 €/year

Frequently asked questions

On a 100 km mixed trip, the Tesla Model X P100D is about 20% cheaper than the Mercedes C 300 de 4MATIC T-Modell with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

Tesla Model X P100D offers more range: 465 km vs 93 km for Mercedes C 300 de 4MATIC T-Modell (WLTP/EPA). In real motorway use, expect 10-20% less depending on temperature.

The Tesla Model X P100D is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.

  • SpecsModel · C