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Mercedes S 350 d 4MATIC Limousine Langversion W223 vs BMW iX3 G08: 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.

limousine · 2026 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

AMercedes S 350 d 4MATIC Limousine Langversion W223

2,570 €per year

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

Gap1,977 € per yearin favour of the iX3 (−77 %)≈ 832 L diesel
BBMW iX3 G08

593 €per year

19,8 kWh/100 km weighted · 3.95 € per 100 km · 2 964 kWh per year

The verdict changes with your usage
ProfileSplitAA · SBB · iX3Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,871 €505 €2,366 € · iX3
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,570 €593 €1,977 € · iX3
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,336 €701 €1,635 € · iX3

Cumulative saving for the iX3

1 year
1,977 €
3 years
5,930 €
5 years
9,884 €
10 years
19,767 €

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

What produces these figures

WLTP combined
6.9 L/100 km · 19.0 kWh/100 km
Powertrain
Mild hybrid 48 V · Fully electric
Power
313 ch · 286 ch
Kerb weight
2,250 kg · 2,185 kg

Other similar comparisons

BMWVSMercedes

740d xDrive vs S 350 d 4MATIC Limousine Langversion

gap 399 €/year
BMWVSTesla

iX3 vs Model Y Long Range RWD

gap 164 €/year
BMWVSMercedes

840d xDrive vs S 350 d 4MATIC Limousine Langversion

gap 357 €/year
TeslaVSBMW

Model Y Juniper RWD vs iX3

gap 169 €/year

Frequently asked questions

On a 100 km mixed trip, the BMW iX3 is about 75% cheaper than the Mercedes S 350 d 4MATIC Limousine Langversion with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the BMW iX3 is 460 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

The BMW iX3 is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.

Yearly cost
  • SpecsS · iX3