Guides
Guides and explainers from Wheelwise.
Car Depreciation Explained: How Much Value You Lose and How to Estimate It
What car depreciation is, why it is often the biggest cost of owning a car, how to estimate resale value with comparable listings and how a few points of resale change your monthly cost.
Read guide → November 12, 2026Car Maintenance and Insurance Budget: What to Set Aside Each Year
How to budget for car maintenance, repairs and insurance so they do not surprise you, with a simple method, an example and ways to keep these costs down.
Read guide → November 12, 2026Cost Per Mile of Driving: How to Calculate It and What to Do With It
How to work out what each mile of driving costs you, a worked example, and how to use cost per mile to compare cars, decide on a trip or track business mileage.
Read guide → November 12, 2026Financing vs Paying Cash for a Car: What the Interest Really Costs
How loan interest changes the cost of a car, with a worked example at different rates and terms, and what to consider before choosing between a loan and cash.
Read guide → November 12, 2026Fuel Cost and MPG: How Much Does Fuel Economy Really Save?
How to calculate yearly fuel cost from miles, mpg and fuel price, a worked comparison of 20, 30 and 40 mpg, and how to judge whether a more efficient car pays off.
Read guide → November 12, 2026How Long Should You Keep a Car? A Cost-Per-Month View
How ownership length changes the monthly cost of a car, with a worked comparison of 3, 5 and 7 years, and why the cheapest point is rarely the first or the last year.
Read guide → November 12, 2026New vs Used Car: Which Costs Less to Own?
A cost comparison of buying new versus used, with a worked example covering depreciation, repairs and what really decides which is cheaper.
Read guide → November 12, 2026The True Cost of Owning a Car: Beyond the Monthly Payment
What a car really costs once you add depreciation, interest, fuel, insurance and upkeep, with a worked example that shows why the payment is only part of the bill.
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