Thailand Tax Rates 2026 Assessment Overview. Under the new regulations, for hevs with carbon emission less than 100 grams per kilometer, the excise tax rate will be set at 6%. The modification, announced on tuesday, will take effect on january 1, 2026.

Thailand is accelerating its transition to electric vehicles! However, from january 1, 2026, to december 31, 2027, the excise tax for such vehicles will be reduced to 13 per cent if they have a co2 emission rate of less than 100g/km, 22 per cent for. The cabinet recently approved new excise tax rates for phevs, effective january 1, 2026.







