Note: costs mentioned below are given in US dollars as a general point of reference — actual prices vary by country, currency, and local market.
The Low Running Cost Car Finder ranks vehicles by total 5-year cost of ownership, not purchase price — combining fuel/energy, insurance, scheduled maintenance, and depreciation. Depreciation is typically the single largest cost, often 40-50% of total 5-year ownership cost, which is why some cheap-to-buy cars actually cost more to own than pricier models that hold value better. Hybrids and compact vehicles with strong reliability records dominate the top of most low-cost shortlists.
At a glance
| Cost category | Typical share of 5-year ownership cost |
|---|---|
| Depreciation | 40-50% |
| Fuel/energy | 15-20% |
| Insurance | 15-20% |
| Maintenance & repairs | 10-15% |
| Financing (if applicable) | Varies by loan terms |
Why purchase price is a poor proxy for cost of ownership
A car that costs $5,000 less to buy can easily cost more to own over five years if it depreciates faster, gets worse fuel economy, or has a spotty reliability record that drives up maintenance and insurance risk pricing. The Low Running Cost Car Finder is built around total cost of ownership (TCO), which adds up the full financial picture rather than ranking on sticker price alone.
The four cost categories the finder tracks
Depreciation
Depreciation is usually the largest single cost of owning any vehicle, commonly 40-50% of total 5-year cost. Vehicles with strong resale reputations (often driven by reliability record and sustained demand) lose value more slowly, which can offset a higher purchase price entirely over several years.
Fuel or energy cost
The finder estimates 5-year fuel or charging cost using government fuel economy ratings and current national average fuel/electricity prices, then scales by a typical annual mileage assumption (commonly 12,000-15,000 miles/year) unless you specify your own.
Insurance
Insurance estimates use broad vehicle-class bands (e.g., compact sedan vs. midsize SUV vs. performance trim) since actual premiums depend heavily on driver profile and location — the tool shows relative insurance cost rank between shortlisted vehicles rather than a precise dollar quote.
Maintenance and repairs
Scheduled maintenance costs (oil changes, brake service, major service intervals) plus a reliability-adjusted estimate for unscheduled repairs round out the total. Vehicles with a track record of expensive parts or complex systems score lower here even if upfront price is attractive.
Worked example
Two vehicles both list at roughly $26,000. Vehicle A is a compact hybrid sedan with strong resale value and low maintenance costs; Vehicle B is a similarly priced compact SUV with a weaker reliability record and higher insurance banding. Over a 5-year TCO estimate, Vehicle A might come in $3,000-$5,000 cheaper overall, even though the two cars cost the same to buy — almost entirely due to depreciation and maintenance differences.
Depreciation and insurance figures are modeled from historical trends and broad bands. Get an actual insurance quote and check current resale listings for your specific shortlisted trim before finalizing a decision.
Common mistakes when chasing low running costs
- Focusing only on MPG/efficiency and ignoring depreciation, which is usually the bigger cost
- Assuming all hybrids or EVs are automatically cheaper to own — battery replacement risk and resale value vary a lot by model
- Skipping an insurance quote before buying, since insurance cost can vary significantly between similarly priced vehicles
- Buying based on the lowest advertised maintenance schedule while ignoring known common repair costs for that model
Frequently asked questions
What's usually the biggest cost of owning a car?
Are hybrids always cheaper to own than gas cars?
How does the tool estimate insurance without knowing my driving record?
Does the tool account for financing costs?
What annual mileage does the tool assume by default?
Sources & further reading
- U.S. Department of Energy — Fuel Economy Guide
- Edmunds — True Cost to Own
- Kelley Blue Book — 5-Year Cost to Own Awards
Figures, prices and policy details were current at the last-updated date above. Automotive pricing, incentives and regulations change frequently — verify time-sensitive details with the linked primary sources. Read our editorial policy and fact-checking standards.
