Complete Guide to Taxes and Costs When Buying a Car

Last updated: 2026-06-25

The Car Price Isn't Everything

The thing first-time car buyers most often overlook is the "cost beyond the car price." Many people set their budget around the price on the quotation, only to be surprised at delivery when they receive bills for acquisition tax, bonds, and insurance. The bottom line: for a non-commercial passenger car, plan for an extra 8–12% of the car price in add-on costs. For a 30,000,000 won car, that's an additional 2.4–3.6 million won.

This article separates the one-time "initial costs" of buying a car from the "running costs" you pay every year while you own it. Once you know how each item is calculated, you can read a quotation and judge where there's padding and where you can save.

Initial Cost 1: Acquisition Tax (the Biggest Tax)

The biggest tax you pay when registering a car is the acquisition tax. Since 2011 the registration tax was merged into the acquisition tax, so only a single "acquisition tax" is charged today, though people still call it "acquisition and registration tax." The rate depends on the car type.

Acquisition tax is the acquisition value (tax base) times the rate. New cars use the factory price; used cars use the higher of the sale price or the standard market value set by the local government. Eco-friendly cars (electric/hydrogen) get a partial reduction, and there are separate reductions for multi-child households and people with disabilities, so confirm if any apply to you. To check your car's acquisition tax, enter the price and type in the car acquisition tax calculator.

Initial Cost 2: New-Car Individual Consumption Tax and VAT

The price of a new car already contains taxes we rarely notice. A 5% individual consumption tax is added to the factory price, an education tax equal to 30% of that, and finally a 10% VAT, all in stages. In other words, the "sale price" of a new car reflects all of these taxes. The government sometimes temporarily cuts the individual consumption tax (e.g. 5% → 3.5%) to stimulate demand, and buying during such a period lowers the price accordingly. When you get a quotation, it helps to check the individual consumption tax line and the applied rate.

Initial Cost 3: Bond Purchase and Registration Extras

To register a vehicle, you must buy a bond such as a regional development bond (or urban railway bond). The amount depends on engine displacement, car type, and local government, and is usually a few percent of the car price. Fortunately, if you choose "instant resale" — selling the bond back at a discount right after buying it — your actual cost is just the discount fee (tens of thousands to a few hundred thousand won), not the full bond amount. If you can afford to hold the bond to maturity, you later get the principal plus interest back.

On top of this, if you have a salesperson or agency handle registration, there's a registration agency fee, plus small costs like license plates and stamp duty. Remember that options like a dashcam, window tint, coating, and floor mats are separate expenses not included in the car price.

Initial Cost 4: Your First Car Insurance Premium

Once you register a car, you must buy car insurance (including mandatory liability cover) to drive it. Premiums vary widely by driver age, driving experience, car type, coverage scope (whether own-damage is included), and discount/surcharge grade. New drivers or those with a short insurance history can face a high first-year premium, so compare quotes from several insurers before delivery and budget for it. Mileage riders, dashcam discounts, and family discounts can lower the premium.

Running Costs Every Year After Purchase

A car costs more "while you own it" than at the moment you buy it. The main running costs are as follows.

• Vehicle tax — charged each year based on engine displacement (paid in two installments). Pay annually in January for a partial discount.
• Fuel cost — the most variable cost, set by distance, fuel economy, and fuel price. Check your monthly commuting cost in advance with the fuel cost calculator.
• Car insurance — renewed yearly. With a clean record, your discount grade rises and it gradually gets cheaper.
• Maintenance and consumables — periodic replacement of engine oil, tires, brake pads, wipers, and so on.
• Depreciation — invisible but possibly the largest cost. A new car loses 20–30% of its value in the first year alone.

Depreciation in particular is a cost you only feel when you later sell. Use the car depreciation calculator to estimate your car's residual value a few years out, which helps you plan your holding period and replacement timing.

Cash, Loan, or Lease/Rental?

How you fund the car also has a big impact on total cost. Paying cash means no interest but ties up a lump sum. A loan keeps the car in your name while you repay in installments with interest. With a lease, the finance company owns the car and you pay a monthly fee with lower upfront cost; a long-term rental is a bundled service including insurance and maintenance. Business owners may benefit from the expense treatment of a lease/rental, while individuals get simpler ownership after a loan. If you're considering a loan, compare the monthly payment and total interest by down payment, rate, and term with the auto loan calculator.

Budgeting Summary

• Initial budget = car price + acquisition tax (7% for passenger) + bond discount fee + registration/option costs + first insurance premium. Budget 8–12% of the car price for add-on costs.
• For new cars, buying during an individual consumption tax cut can save money.
• Compare car options by total cost of ownership, combining running costs (vehicle tax, fuel, insurance, maintenance, depreciation).
• A fuel-efficient car saves on fuel; a popular, easy-to-resell car saves on depreciation.

Last updated: 2026-06-25