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520ePHEVvsDolphinBEV
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs520e

BMW 520e G30 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 · 2021 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

ABMW 520e G30

1,118 €per year

22,4 kWh/100 km weighted · 7.46 € per 100 km · 1 323 L per year

Gap687 € per yearin favour of the Dolphin Boost 150kW (−61 %)≈ 317 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 · 520eBB · DolphinGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway1,118 €412 €707 € · Dolphin
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway1,118 €432 €687 € · Dolphin
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway1,118 €450 €669 € · Dolphin

Cumulative saving for the Dolphin Boost 150kW

1 year
687 €
3 years
2,061 €
5 years
3,434 €
10 years
6,869 €

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

What produces these figures

WLTP combined
21.5 kWh/100 km · 14.5 kWh/100 km
Powertrain
Plug-in hybrid · Fully electric
Power
204 ch · 204 ch
Kerb weight
1,900 kg · 1,490 kg

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Frequently asked questions

On a 100 km mixed trip, the BYD Dolphin Boost 150kW is about 60% cheaper than the BMW 520e 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 52 km for BMW 520e (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.

· Dolphin