EV vs Petrol TCO Calculator Singapore 2026
Compare the total cost of owning an EV versus a petrol car in Singapore over your planned ownership period. Includes purchase price, fuel/charging, road tax, servicing and insurance.
S$
S$
km
years
S$/kWh
S$/L
| Cost Category | EV | Petrol | Difference |
|---|---|---|---|
| Purchase Price | $210,000.00 | $180,000.00 | $30,000.00 |
| Fuel / Charging (10yr) | $8,100.00 | $53,280.00 | -$45,180.00 |
| Road Tax (10yr) | $7,420.00 | $12,000.00 | -$4,580.00 |
| Servicing (10yr) | $3,000.00 | $12,000.00 | -$9,000.00 |
| Insurance (10yr) | $20,000.00 | $18,000.00 | $2,000.00 |
EV Total Cost of Ownership (10yr)$248,520.00
Petrol Total Cost of Ownership (10yr)$275,280.00
Savings with EV$26,760.00
Breakeven Year (EV vs Petrol)Year 6
About This Calculation
- EV efficiency: 15 kWh per 100km (average of Tesla Model 3/Y, BYD, Hyundai, Kia)
- Petrol efficiency: 10 L per 100km (average mid-size sedan)
- EV road tax: S$742/year (Tesla Model 3 equivalent)
- Petrol road tax: S$1,200/year (typical 1.6L sedan)
- EV servicing: S$300/year (minimal moving parts)
- Petrol servicing: S$1,200/year (oil, filters, belts, spark plugs)
- EV insurance: S$2,000/year (~S$200 premium for parts cost)
- Petrol insurance: S$1,800/year (baseline)
Sources: LTA OneMotoring for road tax, SP Group for electricity rates, SGPetrolPrices.com for petrol. Last updated: March 2026.