Side by side
Aion UT 420 Standard vs BYD Dolphin Extended Range
Same body type (hatchback) — comparable price, specs and features.
- you'd rather save ฿120,000 for similar specs
- you need the longer real-world range (99 km more)
- the quicker 0–100 (7 s) matters
▸ Where they differ
All-in ฿/month over 5 years — purchase minus resale, plus charging, insurance, tax and upkeep.
Over 5 years the Aion UT 420 Standard costs about ฿702/mo less to own — roughly ฿42,149 cheaper all-in.
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 Extended Range?
The Aion UT 420 Standard is cheaper — ฿120,000 less than the BYD Dolphin Extended Range at current prices.
Which has more range, the Aion UT 420 Standard or the BYD Dolphin Extended Range?
The BYD Dolphin Extended Range has the longer WLTP range — 99 km more than the Aion UT 420 Standard.
Which charges faster, the Aion UT 420 Standard or the BYD Dolphin Extended Range?
The BYD Dolphin Extended Range charges faster, with DC fast charging at up to 88 kW.
Which is quicker, the Aion UT 420 Standard or the BYD Dolphin Extended Range?
The BYD Dolphin Extended Range is quicker, with the faster 0–100 km/h time.
