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Tesla Model X Long Range vs Mercedes S 350 d 4MATIC Saloon, long version W223: 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 · 2020 vs 2026 · 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 X Long Range

645 €per year

21,5 kWh/100 km weighted · 4.30 € per 100 km · 3 225 kWh per year

Gap1,925 € per yearin favour of the Model X Long Range (−75 %)≈ 810 L diesel
BMercedes S 350 d 4MATIC Saloon, long version W223

2,570 €per year

7,2 L/100 km weighted · 17.13 € per 100 km · 1 082 L per year

The verdict changes with your usage
ProfileSplitAA · ModelBB · SGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway617 €2,871 €2,254 € · Model
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway645 €2,570 €1,925 € · Model
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway651 €2,336 €1,685 € · Model

Cumulative saving for the Model X Long Range

1 year
1,925 €
3 years
5,774 €
5 years
9,623 €
10 years
19,245 €

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

What produces these figures

WLTP combined
22.6 kWh/100 km · 6.9 L/100 km
Powertrain
Fully electric · Mild hybrid 48 V
Power
670 ch · 313 ch
Kerb weight
2,459 kg · 2,250 kg

Other similar comparisons

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Model X Long Range vs iX xDrive50

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BMWVSMercedes

740d xDrive vs S 350 d 4MATIC Saloon, long version

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TeslaVSBMW

Model X Long Range vs iX xDrive40

gap 26 €/year
BMWVSMercedes

840d xDrive vs S 350 d 4MATIC Saloon, long version

gap 357 €/year

Frequently asked questions

On a 100 km mixed trip, the Tesla Model X Long Range is about 75% cheaper than the Mercedes S 350 d 4MATIC Saloon, long version with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the Tesla Model X Long Range is 507 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

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

Consumption
Yearly cost
  • SpecsModel · S