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M550dDieselvsDolphinBEV
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost

BMW M550d xDrive G30 vs BYD Dolphin Boost 150kW: 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.

grand tourer · 2018 vs 2022 · 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

ABMW M550d xDrive G30

2,445 €per year

6,9 L/100 km weighted · 16.30 € per 100 km · 1 029 L per year

Gap2,013 € per yearin favour of the Dolphin Boost 150kW (−82 %)≈ 847 L diesel
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 · M550dBB · DolphinGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,687 €412 €2,275 € · Dolphin
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,445 €432 €2,013 € · Dolphin
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,260 €450 €1,810 € · Dolphin

Cumulative saving for the Dolphin Boost 150kW

1 year
2,013 €
3 years
6,040 €
5 years
10,066 €
10 years
20,133 €

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

What produces these figures

WLTP combined
6.6 L/100 km · 14.5 kWh/100 km
Powertrain
Combustion · Fully electric
Power
400 ch · 204 ch
Kerb weight
1,845 kg · 1,490 kg

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Frequently asked questions

On a 100 km mixed trip, the BYD Dolphin Boost 150kW is about 80% cheaper than the BMW M550d xDrive with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the BYD Dolphin Boost 150kW is 427 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

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
M550d
· Dolphin