Side by side
Aion Hyptec HT 620 Luxury (Gull-Wing) vs BYD Sealion 7 AWD Performance
Same body type (mid suv) — comparable price, specs and features.




- you charge on the road often (280 kW DC peak)
- you'd rather save ฿259,100 for similar specs
- you need the longer real-world range (58 km more)
▸ Where they differ
▸ evchu Score
Hyptec HT 620 Luxury (Gull-Wing)
- Value51
- Range52
- Cost to own51
- Charging81
- Performance62
Sealion 7 AWD Performance
- Value66
- Range71
- Cost to own61
- Charging48
- Performance77
All-in ฿/month over 5 years — purchase minus resale, plus charging, insurance, tax and upkeep.
Over 5 years the BYD Sealion 7 AWD Performance costs about ฿2,812/mo less to own — roughly ฿168,722 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 Luxury (Gull-Wing) or the BYD Sealion 7 AWD Performance?
The BYD Sealion 7 AWD Performance is cheaper — ฿259,100 less than the Aion Hyptec HT 620 Luxury (Gull-Wing) at current prices.
Which has more range, the Aion Hyptec HT 620 Luxury (Gull-Wing) or the BYD Sealion 7 AWD Performance?
The BYD Sealion 7 AWD Performance has the longer WLTP range — 58 km more than the Aion Hyptec HT 620 Luxury (Gull-Wing).
Which charges faster, the Aion Hyptec HT 620 Luxury (Gull-Wing) or the BYD Sealion 7 AWD Performance?
The Aion Hyptec HT 620 Luxury (Gull-Wing) charges faster, with DC fast charging at up to 280 kW.
Which is quicker, the Aion Hyptec HT 620 Luxury (Gull-Wing) or the BYD Sealion 7 AWD Performance?
The BYD Sealion 7 AWD Performance is quicker, with the faster 0–100 km/h time.
