What Car Price Can I Afford on My Annual Budget
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How It Works
We break total annual cost into four parts: depreciation, fuel, insurance and maintenance. Fuel is miles divided by MPG times gas price. Insurance is chosen by tier. Maintenance is a per-mile allowance. We assume an average annual depreciation rate of about 13% of the purchase price, which reflects typical steep early-year drops that flatten over time. Subtracting fuel, insurance and maintenance from your budget leaves the amount available for depreciation, and dividing by the 13% rate recovers the purchase price that fits. The bar chart shows how the annual budget splits across the four cost types.
What Should You Do?
Depreciation is usually the largest cost, so buying a 2-3 year old used car instead of new can cut your effective annual cost dramatically while still giving a reliable vehicle. Keep fuel and insurance in the plan — a thirsty SUV or a sporty model can blow the budget through running costs even if the price looks right. Revisit the budget when gas prices or your mileage change; a long commute justifies a higher-MPG or hybrid choice more than a slightly lower sticker price.
Frequently Asked Questions
Why is depreciation the biggest cost?
A new car can lose 20-30% of its value in the first two years. Spreading that drop over annual ownership makes depreciation larger than fuel or insurance for most owners.
Is 13% depreciation realistic?
It is an average across a typical ownership span. Luxury and electric vehicles often depreciate faster; basic commuter cars slower. Treat it as a planning assumption.
Does this include the loan interest?
No. If you finance, add monthly interest to your true annual cost. See our loan vs cash tool to weigh financing.
How do I lower my annual cost?
Buy used, choose higher MPG, shop insurance annually, and avoid hefty depreciation brands. Each lever trims a different slice of the budget.
Should EV running costs be lower?
Electricity is usually cheaper per mile than gas and maintenance is lower, but EV depreciation has been steep. Use the gas vs EV vs hybrid tool for a full comparison.