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  • SpecsSeal · 4

BYD Seal 390 AWD vs MG4 Long Range RWD: 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.

saloon · 2022 vs 2023 · 15,000 km/an · Mixed · Home 0.20 €/kWh · Methodology
Annual mileage
15,000 km
5,000 km50,000 km
Driving mix

30 % City · 50 % Road · 20 % Motorway

Charging type

Result · yearly energy cost

ABYD Seal 390 AWD

536 €per year

17,9 kWh/100 km weighted · 3.57 € per 100 km · 2 679 kWh per year

Gap37 € per yearin favour of the 4 Long Range RWD (−7 %)≈ 17 L petrol 95
BMG4 Long Range RWD

499 €per year

16,6 kWh/100 km weighted · 3.33 € per 100 km · 2 496 kWh per year

The verdict changes with your usage
ProfileSplitAA · SealBB · 4Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway513 €425 €88 € · 4
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway536 €499 €37 € · 4
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway557 €591 €34 € · Seal

Cumulative saving for the 4 Long Range RWD

1 year
37 €
3 years
110 €
5 years
183 €
10 years
366 €

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

What produces these figures

WLTP combined
18.0 kWh/100 km · 16.0 kWh/100 km
Powertrain
Fully electric · Fully electric
Power
530 ch · 245 ch
Kerb weight
2,150 kg · 1,715 kg

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Seal 390 AWD vs Model 3 Performance

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BYDVSTesla

Seal 390 AWD vs Model 3 Performance

gap 28 €/year

Frequently asked questions

On a 100 km mixed trip, the BYD Seal 390 AWD and MG4 Long Range RWD have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

BYD Seal 390 AWD offers more range: 460 km vs 435 km for MG4 Long Range RWD (WLTP/EPA). In real motorway use, expect 10-20% less depending on temperature.

The MG4 Long Range RWD is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.