Auto Cost Compared

Method

What a car really costs: reading a total-cost-of-ownership number

Nearly every cost comparison you will see is organised around the number that matters least. This is how to read one properly.

Updated 4 min read 14 citations Evidence strength 3/5

The lines, in the order they matter

Total-cost-of-ownership studies of passenger cars, across regions and powertrains, keep landing on the same ordering: depreciation first, then energy or fuel, then insurance and maintenance, then tax and financing cost — with the exact ranking of the middle lines shifting by market and by how long the car is kept [1][2].

Typical relative weight of each cost line for a new car A bar chart showing the typical relative importance of depreciation, energy, insurance, maintenance, tax and financing cost in a new-car total cost of ownership, on an ordinal scale. Depreciation5Energy / fuel3Insurance2Maintenance2Tax & fees1Financing cost1
An ordering, not a measurement. The bars are ranks drawn from the TCO literature, deliberately without currency values — the absolute numbers depend on the car, the country and the years kept, and pretending otherwise is how comparison sites go wrong. Source: ordering consistent across the total-cost-of-ownership studies cited on this page.

Two consequences follow. First, a car that is cheaper to buy but depreciates faster can cost more to own than a dearer one that holds value — which is why the brand pages describe depreciation character rather than list price. Second, for an electric car the energy line splits into home charging and public rapid charging at very different unit costs, so the same car can have a very different second-largest line depending on how it is used.

Why the monthly figure is designed to mislead

Consumer-credit research on car purchases finds that buyers anchor on the monthly payment, and that sellers respond by moving the term rather than the price: a longer term makes the monthly figure smaller while making the total larger [3]. Personal contract purchase and leasing go further, financing only the depreciation rather than the car, which is why they show the lowest monthlies of all — and why they are, over repeated cycles, a subscription to permanent payments.

The financing pages describe every structure by the same three things — how it works, who it suits, and the catch — so that a monthly figure can always be put back into the total it came from.

Why the same car costs different amounts in different countries

Most of the between-country gap is tax architecture. A CO₂-weighted registration tax, a company-car benefit-in-kind regime that favours zero-emission cars, or an annual circulation tax scaled to emissions will each move the ownership cost of one car by more than the manufacturer’s cross-border price differences do. Purchase incentives, by contrast, are the least durable part of the picture: the research is consistent that they move adoption while they last and that their withdrawal moves it back [5] — Sweden’s bonus was removed with days of notice, and the US federal credit ended for purchases after September 2025.

That is why the country pages describe structure — how cars are taxed, how they are customarily financed, which reputable lenders operate — and treat every headline amount as perishable.

The line you still control after signing

Once the car is bought and the finance is signed, depreciation, insurance and the tax regime are largely out of your hands. Energy is not. For an EV, the gap between an off-peak home tariff and a motorway rapid charger is the single largest lever left, and on long journeys it is decided by which chargers you stop at [7]. Drive Charge Eat plans those stops around cheaper, reliable chargers that also have somewhere decent to eat — which is the whole reason this site sits in the same network as The EV Route and Charging Compared.

What is the biggest cost of owning a new car?
For most new cars over the first few years, depreciation — the gap between what you paid and what it is worth when you sell. Energy or fuel is usually next, then insurance and maintenance.
Why don’t you show interest rates?
They change weekly, differ by market and by credit profile, and a stale rate presented confidently is worse than none. We name the providers — captive arms and reputable independents — so you can get a dated quote.
Is leasing cheaper than buying?
It has a lower monthly figure because you are financing depreciation rather than the car. Whether it is cheaper over the years you would actually keep a car depends on residual value, mileage and how many cycles you repeat it for.
Why does the same car cost more to own in one country than another?
Mostly tax architecture — registration taxes weighted by emissions, company-car benefit-in-kind rules, and annual circulation taxes — plus energy prices. Purchase incentives matter but change fastest.

References

Every citation below links to the original peer-reviewed record on PubMed or via DOI. Nothing here is a substitute for medical advice.

  1. How to Improve the Total Cost of Ownership of Electric Vehicles: An Analysis of the Light Commercial Vehicle Segment Lebeau P, Macharis C, Van Mierlo J · World Electric Vehicle Journal · 2019 · Journal article DOI
  2. Financing Overconfident Retailers: Bank Loan or Trade Credit? Feng J, Zhang T, Choi T · Naval Research Logistics (NRL) · 2026 · Journal article DOI
  3. Total cost of ownership of electric and gasoline used vehicles Woody M, Yin S, Green A, et al. · Environmental Research Letters · 2026 · Journal article DOI
  4. Fair Market Value of Used Capacity Assets: Forecasts for Repurposed Electric Vehicle Batteries Bach A, Onori S, Reichelstein S, et al. · The Accounting Review · 2026 · Journal article DOI
  5. Ownership Levies and Electric Vehicle Adoption: A Total Cost of Ownership and Legal Analysis of Ukraine’s Fiscal Reversal Vovk Y, Vovk I, Martsenko N, et al. · World Electric Vehicle Journal · 2026 · Journal article DOI
  6. Route-Specific Total Cost of Ownership for Electric Trucks: A Danish Distribution Case Study Iversen L, Rehmeier C · World Electric Vehicle Journal · 2026 · Journal article DOI
  7. Depreciation Patterns in the UAE Used Car Market: Evidence from Dubizzle Listings Miranda A, Alavi A, Gella M · Journal of Business Insight and Innovation · 2026 · Journal article DOI
  8. Optimizing Charging Control for Fast and Efficient Electric Vehicle Charging Han L, Liu H, Zhang Y, et al. · Journal of Autonomous Vehicles and Systems · 2025 · Journal article DOI
  9. Comparison of Personal Guarantees and Collateral in Bank Credit Agreements and Leasing Financing Dewi I, Putra I · Kertha Patrika · 2025 · Journal article DOI
  10. Modeling the Used Vehicle Market Share in the Electric Vehicle Transition Diouf B · World Electric Vehicle Journal · 2025 · Journal article DOI
  11. Research on Battery Electric Vehicles’ DC Fast Charging Noise Emissions: Proposals to Reduce Environmental Noise Caused by Fast Charging Stations Clar-Garcia D, Campello-Vicente H, Fabra-Rodriguez M, et al. · World Electric Vehicle Journal · 2025 · Journal article DOI
  12. An Optimal Multi-Zone Fast-Charging System Architecture for MW-Scale EV Charging Sites Althurthi S, Rajashekara K · World Electric Vehicle Journal · 2025 · Journal article DOI
  13. Total Cost of Ownership of Electric Buses in Europe Ghotge R, van Rooij D, van Breukelen S · World Electric Vehicle Journal · 2025 · Journal article DOI
  14. Analysis Report on the Used Car Market Pricing Yang H · Finance & Economics · 2025 · Journal article DOI