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  • SpecsE · i3s

Mercedes E 400 e 4MATIC W214 vs BMW i3s I01: 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.

grand tourer · 2024 vs 2018 · 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

AMercedes E 400 e 4MATIC W214

906 €per year

23,9 kWh/100 km weighted · 6.04 € per 100 km · 1 254 L per year

Gap450 € per yearin favour of the i3s (−50 %)≈ 207 L petrol 95
BBMW i3s I01

456 €per year

15,2 kWh/100 km weighted · 3.04 € per 100 km · 2 278 kWh per year

The verdict changes with your usage
ProfileSplitAA · EBB · i3sGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway906 €388 €518 € · i3s
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway906 €456 €450 € · i3s
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway906 €539 €367 € · i3s

Cumulative saving for the i3s

1 year
450 €
3 years
1,350 €
5 years
2,249 €
10 years
4,499 €

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

What produces these figures

WLTP combined
23.0 kWh/100 km · 14.6 kWh/100 km
Powertrain
Plug-in hybrid · Fully electric
Power
381 ch · 184 ch
Kerb weight
2,245 kg · 1,290 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW i3s is about 50% cheaper than the Mercedes E 400 e 4MATIC with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

BMW i3s offers more range: 330 km vs 90 km for Mercedes E 400 e 4MATIC (WLTP/EPA). In real motorway use, expect 10-20% less depending on temperature.

The BMW i3s is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.