The jump came after Hanoi announced plans to ban petrol-powered motorbikes from its city centre starting in mid-2026, Reuters reported.
Third-quarter deliveries surpassed the company's total sales in the first half of the year, according to company data. VinFast sold 234,536 e-scooters and e-bikes in the first nine months of 2025, marking a 489% annual increase.
In July, Prime Minister Pham Minh Chinh issued a directive barring petrol motorbikes from entering central Hanoi from mid-2026, part of broader efforts to curb air pollution. Wider restrictions are expected in 2028, with similar bans likely to expand nationwide.
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Reuters reported on Tuesday the Japanese government and some of the nation's top manufacturers have warned Vietnam that a planned ban on petrol-powered motorbikes in Hanoi could spark job losses and disrupt a $4.6 billion market that is dominated by Honda.
The Japanese embassy and Vietnam's motorbike association have urged authorities to adopt a phased electrification roadmap, allowing time for preparation and gradual implementation.
Nearly 80% of the country's 100 million people owned a motorbike as of last year, one of the highest rates globally, official data showed.
In Wednesday's release, VinFast also said it delivered 38,195 cars in the third quarter, bringing nine-month deliveries to 110,362 units. The company was aiming to deliver 200,000 EVs this year.