Side by side

Aion Hyptec HT 620 Premium vs BYD Sealion 7 Premium

Same body type (mid suv) — comparable price, specs and features.

Prices checked 25 May 2026
Aion Hyptec HT 620 Premium
฿1,324,000MY 2026
Buy new
BYD Sealion 7 Premium
฿1,264,900MY 2026
Buy new
▸ Race them on a real trip
Watch Aion Hyptec HT vs BYD Sealion 7 drive Bangkok → Chiang Mai
Same route, real charge stops for each EV, head-to-head ranking on cost, time and stops.
🏁 Start race
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AionHyptecHT
฿1,324,000
vs
BYDSealion7
฿1,264,900
Which one's for you
Pick the Aion Hyptec HT 620 Premium if
  • the quicker 0–100 (5.8 s) matters
  • you charge on the road often (280 kW DC peak)
Pick the BYD Sealion 7 Premium if
  • you'd rather save ฿59,100 for similar specs
  • high-speed cruising matters (215 km/h top speed)

Where they differ

Current price
Hyptec HT 620 Premium
฿1,324,000
Sealion 7 Premium
฿1,264,900
WLTP range
Hyptec HT 620 Premium
484 km
Sealion 7 Premium
460 km
DC charging
Hyptec HT 620 Premium
280 kW
Sealion 7 Premium
150 kW
0–100 km/h
Hyptec HT 620 Premium
5.8 s
Sealion 7 Premium
6.7 s
Battery
Hyptec HT 620 Premium
83.3 kWh
Sealion 7 Premium
82.5 kWh
Top speed
Hyptec HT 620 Premium
183 km/h
Sealion 7 Premium
215 km/h

evchu Score

Hyptec HT 620 Premium

65
evchu Score
Solid choice
Strongest for Charging
  • Value67
  • Range54
  • Cost to own65
  • Charging81
  • Performance61

Sealion 7 Premium

54
evchu Score
Niche pick
Strongest for Value
  • Value66
  • Range45
  • Cost to own66
  • Charging47
  • Performance43
Cost of ownership, head to head

All-in ฿/month over 5 years — purchase minus resale, plus charging, insurance, tax and upkeep.

Hyptec HT 620 Premium
฿15,373/mo
5-yr total: ฿922,390
Lower cost
Sealion 7 Premium
฿14,830/mo
5-yr total: ฿889,794

Over 5 years the BYD Sealion 7 Premium costs about ฿543/mo less to own — roughly ฿32,596 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 Hyptec HT 620 Premium or the BYD Sealion 7 Premium?

The BYD Sealion 7 Premium is cheaper — ฿59,100 less than the Aion Hyptec HT 620 Premium at current prices.

Which has more range, the Aion Hyptec HT 620 Premium or the BYD Sealion 7 Premium?

The Aion Hyptec HT 620 Premium has the longer WLTP range — 24 km more than the BYD Sealion 7 Premium.

Which charges faster, the Aion Hyptec HT 620 Premium or the BYD Sealion 7 Premium?

The Aion Hyptec HT 620 Premium charges faster, with DC fast charging at up to 280 kW.

Which is quicker, the Aion Hyptec HT 620 Premium or the BYD Sealion 7 Premium?

The Aion Hyptec HT 620 Premium is quicker, with the faster 0–100 km/h time.

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