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EPHEVvsDolphinBEV
  • MotorwayMotorwayRange and charging
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Mercedes E 400 e 4MATIC W214 vs BYD Dolphin Boost 150kW: 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 2022 · 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

Gap474 € per yearin favour of the Dolphin Boost 150kW (−52 %)≈ 218 L petrol 95
BBYD Dolphin Boost 150kW

432 €per year

14,4 kWh/100 km weighted · 2.88 € per 100 km · 2 157 kWh per year

The verdict changes with your usage
ProfileSplitAA · EBB · DolphinGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway906 €412 €494 € · Dolphin
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway906 €432 €474 € · Dolphin
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway906 €450 €456 € · Dolphin

Cumulative saving for the Dolphin Boost 150kW

1 year
474 €
3 years
1,422 €
5 years
2,370 €
10 years
4,740 €

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

What produces these figures

WLTP combined
23.0 kWh/100 km · 14.5 kWh/100 km
Powertrain
Plug-in hybrid · Fully electric
Power
381 ch · 204 ch
Kerb weight
2,245 kg · 1,490 kg

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BYDVSPeugeot

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Frequently asked questions

On a 100 km mixed trip, the BYD Dolphin Boost 150kW 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.

BYD Dolphin Boost 150kW offers more range: 427 km vs 90 km for Mercedes E 400 e 4MATIC (WLTP/EPA). In real motorway use, expect 10-20% less depending on temperature.

The BYD Dolphin Boost 150kW is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.

Specs
E
· Dolphin