Road Tax Calculator (2026)

Road tax in Singapore is calculated based on your vehicle's engine capacity (cc) using a tiered system set by the Land Transport Authority (LTA). The base rate starts at $200/6 months for cars up to 600cc, with progressively higher rates for larger engines. For each additional cc above 600, you pay an increasing rate per cc that gets steeper at each tier boundary.

LTA road tax tiers for petrol/diesel cars are: up to 600cc (base $200/6 months), 601-1000cc ($0.25 per cc above 600), 1001-1600cc ($0.75 per cc above 1000), 1601-3000cc ($1.50 per cc above 1600), and above 3000cc ($2.00 per cc above 3000). These rates are for 6-month road tax; annual road tax is double these amounts.

Electric vehicles (EVs) in Singapore are subject to a special road tax calculation based on their power rating (kW) instead of engine capacity. The power rating is converted to an equivalent engine capacity using a formula set by LTA. As of 2026, the government provides a road tax rebate for qualifying EVs to encourage adoption of cleaner vehicles.

Road tax in Singapore can be paid every 6 months or 12 months. It must be renewed before it expires — driving without valid road tax is an offence. You can pay road tax online through the LTA OneMotoring portal or at AXS stations. Most car owners choose the 6-monthly option for better cash flow management.

Motorcycle road tax in Singapore is significantly cheaper than for cars. The base rate for motorcycles up to 200cc is $33/6 months. For 201-600cc, it's an additional $0.92 per cc above 200. For engines above 600cc, it's an additional $1.75 per cc above 600. Most motorcycles in Singapore pay between $66 and $400 per year in road tax.

Electric vehicles are taxed based on maximum motor power output in kilowatts (kW), not engine capacity. LTA uses a tiered formula: for the first 7.5kW, the rate is $200; the next 22.5kW at $4.50/kW; and higher bands at progressively higher rates. The EV Early Adoption Incentive (EEAI) provides a rebate of up to 45% on road tax for EVs first registered between January 2021 and December 2025, making the effective road tax comparable to or lower than equivalent petrol vehicles.

Yes. Road tax can be renewed for 6 months instead of 12 months, but a 10% surcharge applies to the 6-monthly amount. For example, if annual road tax is $1,500 (a 1,600cc car), the 6-monthly amount would be ($1,500/2) × 1.10 = $825 (slightly more expensive than paying annually). You can renew road tax via OneMotoring, AXS machines, or SingPost. Renewal reminder letters are sent approximately 8 weeks before expiry.