AION vs BYD

AION and BYD are two of the electric-vehicle brands on sale in Thailand, and this page compares them side by side using the prices, range and line-up data in the Rodfaifa directory. AION fields 9 models, priced from ฿519,900 up to ฿929,900 (average ฿782,033). BYD fields 18 models, priced from ฿429,900 up to ฿1,299,900 (average ฿831,011).

On entry price, BYD is the more accessible of the two, starting ฿90,000 below AION. BYD also leads on range, so it wins on both of the headline numbers buyers compare first.

For driving range, BYD offers the longer maximum at 650 km, 48 km more than its rival here. Average range across the line-ups is 477 km for AION and 461 km for BYD. On straight-line pace, BYD posts the quicker best 0–100 km/h time of 3.7s.

Drilling into the line-ups: the cheapest way into AION is the UT 420 Standard at ฿519,900 (420 km, 50 kWh), while BYD opens with the ATTO 1 Dynamic at ฿429,900 (300 km, 30 kWh). If outright range matters most, the AION V 602 Luxury reaches 602 km and the BYD Seal Premium RWD reaches 650 km. At the top of each range, the AION ES Taxi EVme is the flagship at ฿929,900 versus the BYD Sealion 7 AWD Performance at ฿1,299,900.

In terms of choice, BYD gives buyers the broader line-up with 18 models to pick from. AION covers SUV, Sedan, Hatchback body styles, while BYD covers Sedan, SUV, Hatchback. The right pick comes down to budget, the body style you need and how far you drive: choose BYD to spend less getting in, or BYD for the longest range on a single charge.

Both brands offer SUV, Sedan, Hatchback body styles, so a head-to-head on the same segment is possible. AION's prices span ฿410,000 from cheapest to dearest, against ฿870,000 for BYD — the wider ladder gives BYD more room to match a specific budget. For buyers in Thailand weighing AION against BYD, the numbers above are the fastest way to shortlist before booking a test drive.