How Much Does It Cost to Use a Car a Year? Guide to Calculating Your Budget

Average Cost and the Importance of Your Mileage

For a combustion vehicle with an average annual use of 15,000 kilometers, the maintenance cost in Spain is between €2,000 and €3,500 per year. This equates to an estimated monthly expense of between €170 and €290, including insurance, fuel, taxes, and basic maintenance.

However, there is no universal figure. The actual expense depends directly on the distance you travel. According to the DGT, the average in Spain is about 12,950 km per year, but if your use is very urban or long-distance, your budget must be adjusted to that reality. The key is to distinguish between what you pay for having the car and what you pay for using it.

Section references: RACE: ¿Cuánto cuesta mantener un coche en 2026? ↗ · FlexiDrop: Cuánto gasta mi coche en un viaje ↗

Fixed Costs: What You Pay Even If You Don't Drive

Fixed costs are those you must pay regardless of whether the vehicle is in motion or not. They include comprehensive or third-party insurance, the Tax on Motor Vehicles (IVTM), and, if applicable, the financing installment.

The IVTM is a municipal tax paid annually. The amount varies significantly depending on the city council where the car is registered and its type. Additionally, the Technical Vehicle Inspection (ITV) is free during the first four years of the vehicle's life. From then on, for a gasoline passenger car, the cost is usually between €35 and €50.

Section references: RACE: ¿Cuánto cuesta mantener un coche en 2026? ↗ · Drivvo: Coste mensual de tener un coche ↗

• Insurance: Depends on coverage, driver profile, and risk zone.
• IVTM: Check your city council's rate; varies by power and age.
• ITV: Free up to 4 years; afterwards, between €35 and €50 for gasoline.
• Financing: If the car is not paid off, the monthly installment is a fixed cost.

Variable Costs: Fuel, Maintenance, and Tires

These expenses grow in direct proportion to the kilometers traveled. Fuel is the most sensitive item: with 15,000 km annually, the expense can easily exceed €1,000. If you drive more, this figure multiplies.

Maintenance includes periodic inspections and repairs. A basic inspection can cost between €150 and €350. This must be added to tire wear and, in urban areas, the cost of parking, which can be fixed or variable depending on the frequency of use.

Section references: RACE: ¿Cuánto cuesta mantener un coche en 2026? ↗ · Drivvo: Coste mensual de tener un coche ↗

• Fuel: Calculate your real consumption (L/100km) and multiply it by the price per liter.
• Maintenance: Reserve between €150 and €350 per basic annual inspection.
• Tires: Irregular expense that depends on quality and driving style.
• Parking: Fixed cost if you have a spot; variable if you pay by the hour.

How to Calculate Your Budget Step by Step

To obtain a reliable figure, do not use generic averages. Use your own invoices and vehicle data. The most effective method is to divide the total cost of a period (for example, a year) by the distance traveled in that same period to obtain the cost per kilometer.

The IDAE calculator, for example, allows estimating the cost including the simple amortization of the purchase and the parking spot. For a personal budget, add your annual fixed costs and add the estimated variables based on your projected mileage. If you are a self-employed worker or commuter, the tax-exempt rate for 2024 was €0.26 per kilometer, a useful reference for valuing the real cost of commuting.

Section references: IDAE: Los costes de tu coche ↗ · Drivvo: Coste mensual de tener un coche ↗ · Qonto: Calcular kilometraje ↗

• Add your annual fixed costs (insurance + IVTM + loan installment).
• Estimate variables: (Annual kilometers x Average consumption) x Fuel price.
• Add planned maintenance and parking.
• Divide the total by the kilometers to know your real cost per km.

Irregular Expenses and Safety Margin

Not all expenses are predictable. Breakdowns, tire changes, or painting are unforeseen events that can alter the budget. To avoid surprises, it is recommended to create a reserve fund or a safety margin.

Instead of inventing averages, observe your history. If your car is more than 5 years old, the maintenance margin should be larger. If it is an electric vehicle, maintenance is lower, but the cost of electricity and the possible long-term battery replacement must be considered. Loss of value is also a real cost, even if it is not an immediate cash expense.

Section references: Drivvo: Coste mensual de tener un coche ↗

• Reserve an additional 10-15% of the budget for unforeseen events.
• Consider the loss of value (amortization) if you plan to sell the car.
• For electric vehicles, check the charging cost and battery warranty.

Cost per Kilometer: Utility and Limits

The cost per kilometer is a very useful metric for comparing the efficiency of two vehicles or for calculating the cost of a trip. It is obtained by dividing the total cost of a period by the distance traveled in that same period.

However, it has limits. It does not reflect the loss of value or fixed costs if they are not included in the calculation. Additionally, a car with a low cost per kilometer can have a very high total cost of ownership if its purchase price was high. Use it as a comparison tool, not as the sole measure of profitability.

Section references: Drivvo: Coste mensual de tener un coche ↗

• Ideal for comparing efficiency between similar models.
• Useful for calculating the cost of a long trip.
• Does not replace the analysis of the total cost of ownership (includes amortization).