Side by side
Aion UT 420 Standard vs BYD Atto 1 Premium
Same body type (hatchback) — comparable price, specs and features.
- the quicker 0–100 (11.9 s) matters
- you charge on the road often (70 kW DC peak)
- you'd rather save ฿90,000 for similar specs
- you need the longer real-world range (52 km more)
▸ Where they differ
▸ evchu Score
UT 420 Standard
- Value89
- Range9
- Cost to own93
- Charging8
- Performance3
Atto 1 Premium
- Value98
- Range21
- Cost to own96
- Charging3
- Performance0
All-in ฿/month over 5 years — purchase minus resale, plus charging, insurance, tax and upkeep.
Over 5 years the BYD Atto 1 Premium costs about ฿1,221/mo less to own — roughly ฿73,232 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 Atto 1 Premium?
The BYD Atto 1 Premium is cheaper — ฿90,000 less than the Aion UT 420 Standard at current prices.
Which has more range, the Aion UT 420 Standard or the BYD Atto 1 Premium?
The BYD Atto 1 Premium has the longer WLTP range — 52 km more than the Aion UT 420 Standard.
Which charges faster, the Aion UT 420 Standard or the BYD Atto 1 Premium?
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 Atto 1 Premium?
The Aion UT 420 Standard is quicker, with the faster 0–100 km/h time.
