The Hidden Scale of Singapore Car Expenses
Singapore is famously one of the most expensive places in the world to own a car. Many buyers focus solely on the monthly loan instalment, neglecting depreciation, road tax, ERP, season parking, and insurance.
Understanding COE (Certificate of Entitlement)
COE prices fluctuate based on twice-monthly open bidding rounds. Category A covers cars up to 1600cc / 110kW (popular family cars and electric vehicles), while Category B covers larger high-performance cars. The COE lasts for 10 years and depreciates to zero unless renewed.
Calculating Annual Straight-Line Depreciation
Annual Depreciation = (Total Vehicle Price + COE Price - Preferential Additional Registration Fee / PARF Rebate) ÷ 10 Years. For a $160,000 Cat A car, annual depreciation alone can exceed $14,000 per year ($1,166/month).
Flat Interest Rates vs Effective Interest Rates
Car loans in Singapore use flat interest rate calculations (typically 2.78% to 3.18%). Because interest is calculated on the original principal throughout the tenure, the effective interest rate (EIR) is nearly double the nominal rate (~5.2% to 6.0% EIR).
All-In Monthly Cash Outlay Benchmark
For a typical Cat A Japanese sedan, expect total monthly running costs (instalment + insurance + petrol + parking + maintenance) to average between $1,800 and $2,400 per month.