Side by side
Aion UT 420 Standard vs BYD Dolphin Standard Range
Same body type (hatchback) — comparable price, specs and features.
- headroom matters — 5.4 kWh more battery
neither side has a clear edge on the headline numbers — feature differences and feel are the tiebreakers.
▸ Where they differ
All-in ฿/month over 5 years — purchase minus resale, plus charging, insurance, tax and upkeep.
Near-identical to own — within a rounding error of each other per month.
Estimate: 15,000 km/yr, charged mostly at home. Resale from used-market data where available, else a conservative segment estimate.
▸ Common questions
Which is cheaper, the Aion UT 420 Standard or the BYD Dolphin Standard Range?
The Aion UT 420 Standard is cheaper — ฿30,000 less than the BYD Dolphin Standard Range at current prices.
Which has more range, the Aion UT 420 Standard or the BYD Dolphin Standard Range?
The BYD Dolphin Standard Range has the longer WLTP range — 12 km more than the Aion UT 420 Standard.
Which charges faster, the Aion UT 420 Standard or the BYD Dolphin Standard Range?
The Aion UT 420 Standard charges faster, with DC fast charging at up to 70 kW.
Which is quicker, the Aion UT 420 Standard or the BYD Dolphin Standard Range?
The Aion UT 420 Standard is quicker, with the faster 0–100 km/h time.
