BYD Atto 3 vs MG4: Home Charging Comparison
Side-by-side comparison of home charging for the BYD Atto 3 (60.5kWh, 420km range) and MG4 (64kWh, 450km range). Which charges faster, which costs less, and which charger brand works best for each.
| Spec | BYD Atto 3 | MG4 | Winner |
|---|---|---|---|
| Battery capacity | 60.5kWh | 64kWh | MG4 |
| Range (WLTP) | 420km | 450km | MG4 |
| Max AC charge | 7kW (1-phase) | 11kW (3-phase) | MG4 |
| 7kW charge speed | 40km/hr | 39km/hr | BYD Atto 3 |
| 20-100% at 7kW | 6.9 hrs | 7.3 hrs | BYD Atto 3 |
| Efficiency | 16.6kWh/100km | 15.7kWh/100km | MG4 |
| Price from (indicative) | $40,000 | $30,000 | MG4 |
Prices are indicative NZ pricing, June 2026. Verify with the dealer.
Charging Cost Comparison by Region
| Region | BYD Atto 3 (full charge) | MG4 (full charge) | BYD Atto 3 /100km | MG4 /100km |
|---|---|---|---|---|
| AKL | $17 | $18 | $5.8 | $5.5 |
| NTL | $17 | $18 | $6.0 | $5.7 |
| WKO | $17 | $18 | $5.8 | $5.5 |
| BOP | $17 | $18 | $5.8 | $5.5 |
| GIS | $18 | $19 | $6.1 | $5.8 |
| HKB | $17 | $18 | $6.0 | $5.7 |
| TKI | $17 | $18 | $6.0 | $5.7 |
| MWT | $17 | $18 | $6.0 | $5.7 |
| WGN | $17 | $18 | $5.8 | $5.5 |
| NSN | $17 | $18 | $6.0 | $5.7 |
| MBH | $17 | $18 | $6.0 | $5.7 |
| WTC | $18 | $19 | $6.3 | $6.0 |
| CAN | $16 | $17 | $5.6 | $5.3 |
| OTA | $17 | $18 | $5.8 | $5.5 |
| STL | $16 | $17 | $5.5 | $5.2 |
Electricity only, at regional average residential rates (33-38c/kWh band). Both vehicles also pay identical Road User Charges of $7.60 per 100km, so RUC does not change the head-to-head result. Overnight EV power plans can lower the electricity cost.
Best Charger for Each Vehicle
BYD Atto 3
Single-phase onboard charger limited to 7kW.
MG4
Supports up to 11kW three-phase AC charging.
BYD Atto 3 vs MG4 FAQ
Which charges faster at home, BYD Atto 3 or MG4?
The BYD Atto 3 charges faster on a standard 7kW home charger, taking 6.9 hours from 20% to 100% compared to 7.3 hours for the MG4.
Which is cheaper to charge, BYD Atto 3 or MG4?
The MG4 is more efficient at 15.7kWh/100km, making it slightly cheaper to charge per kilometre. For a typical 15,000km year at the NZ average power price of about 35c/kWh, the difference is about $47 per year. Both pay the same Road User Charges ($76 per 1,000km), and both cost far less per kilometre than a petrol car at home-charging rates.
Do the BYD Atto 3 and MG4 use the same charger?
Both the BYD Atto 3 and MG4 use Type 2 AC charging, so any home EV charger sold in New Zealand works with both vehicles. The key difference is that the MG4 supports three-phase charging (up to 11kW) while the BYD Atto 3 is single-phase only (7kW max).
Get Your Home Charger Installed
Whether you chose the BYD Atto 3 or MG4, PumpSwap matches you with local electricians for free, obligation-free quotes.
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