FinToolSuite

Vehicle Five-Year Ownership Cost Calculator

Updated April 17, 2026 · Lifestyle · Educational use only ·

Total five-year cost of owning a vehicle.

Add up purchase, fuel, insurance, maintenance and tax over five years, less expected resale, for true vehicle ownership cost.

What this tool does

Comparing vehicles by sticker price is misleading. The real number is the five-year all-in cost. Enter purchase price, annual fuel, annual insurance, annual maintenance, annual road tax, and expected resale value. The tool returns total cost and effective cost per year.


Enter Values

Formula Used
Initial purchase price
Annual running cost components
Expected sale value after 5 years

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Disclaimer

Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.

A 25,000 car with 1,800 annual fuel, 600 insurance, 400 maintenance and 200 tax, selling for 12,000 after five years, costs about 28,000 over the period — roughly 5,600 a year all-in. That is meaningfully more than just the depreciation, which is what most car comparison tools show.

What the result means

Total cost over five years is the sum of purchase plus all annual costs over the period less the resale value. Per-year cost is that figure divided by five. Use the per-year number to compare cars on a like-for-like basis.

Resale is the biggest single variable. Run sensitivities at high and low resale assumptions to see the range. Higher-quality brands often hold value better, offsetting some of the higher purchase price.

Run it with sensible defaults

Using purchase price of 25,000, annual fuel of 1,800, annual insurance of 600, annual maintenance of 400, the calculation works out to 28,000.00. Nudge the inputs toward your own situation and the output recalculates instantly. The defaults are meant as a starting point, not a recommendation.

The levers in this calculation

The inputs — Purchase Price, Annual Fuel, Annual Insurance, Annual Maintenance, and Annual Road Tax — do not pull with equal force. Frequency and unit price pull the total in different directions. The biggest surprise for most people is how small recurring amounts compound into large annual figures — that's where this calculation earns its keep.

How the math works

Total ownership cost is purchase price plus five years of summed annual running costs less the expected resale value. Per-year cost divides the total by five. The working is transparent — you can verify every step yourself in the formula section below. No black box, no opaque "proprietary model".

Why see the number at all

Small recurring spending is invisible by design — every individual transaction is forgettable. Compounded over years, the total often surprises. Seeing the figure doesn't mean you typically need to cut the spending; it just makes the trade-off conscious.

What this doesn't capture

The tool prices the money; it can't weigh the enjoyment. A coffee habit, gym membership, or streaming bundle might cost what the math says but deliver value that's harder to quantify. Use the number to make the trade-off visible — the decision is yours.

Example Scenario

Five-year total cost on these inputs is the figure shown above.

Inputs

Purchase Price:25,000 £
Annual Fuel:1,800 £
Annual Insurance:600 £
Annual Maintenance:400 £
Annual Road Tax:200 £
5-Year Resale Value:12,000 £
Expected Result£28,000.00

This example uses typical values for illustration. Adjust the inputs above to match a specific situation and see how the result changes.

Sources & Methodology

Methodology

Total ownership cost is purchase price plus five years of summed annual running costs less the expected resale value. Per-year cost divides the total by five.

Frequently Asked Questions

Where do I get resale estimates?
Look up current asking prices for the same make and model that is five years old. Tools like Auto Trader or CAP HPI give realistic ranges.
What about financing costs?
If buying on finance, add the total interest cost over the loan term to purchase price. Cash buyers ignore.
Why exclude depreciation as a separate line?
Purchase minus resale equals depreciation in this model. Splitting them out would double-count.
Electric vehicles?
Same math — substitute electricity costs for fuel. EVs typically have lower fuel and tax, sometimes lower maintenance, but higher insurance and uncertain resale.

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