The number that matters: cost per mile
Monthly payment is a lie. It tells you what you send the bank — not what the car actually costs you. The honest metric is total cost per mile, and it usually lands somewhere between $0.45 (frugal Corolla) and $0.95 (new full-size SUV). A 2022 Toyota Camry LE bought new at $28,000, driven 75,000 miles over 5 years, fully loaded with depreciation + fuel + insurance + maintenance + repairs + registration, typically totals $31,500. That's $0.42/mile, or $525/month of real cost — well above the $380 loan payment most drivers focus on.
Once you see cost per mile, comparison becomes obvious. A 2024 Ford F-150 XLT at $52,000 and 11,000 miles/year for 5 years runs closer to $0.82/mile. The truck costs nearly 2× per mile what the Camry costs, and the gap compounds every trip to the grocery store. This is not an argument against trucks — it's an argument for pricing the decision correctly before signing.
The six buckets — what actually costs what
Depreciation (40–55% of total)
The hidden line item. A new $35,000 crossover loses $7,700 in year one, $5,500 in year two, $4,200 in year three, $3,300 in year four, and $2,500 in year five — a total of $23,200 in asset value gone over 60 months. That's $387/month of silent cost that never shows up on any statement. Toyota, Honda, and Lexus hold value best (55–65% retention at 5 years). Nissan, Jeep, and luxury German brands hold value worst (35–45%). Buy a reliable-brand used car at age 2–3 and you skip the steepest part of the curve entirely.
Fuel (15–25% of total)
Calculated simply: (annual miles ÷ MPG) × $/gallon. 15,000 miles/year at 32 MPG with $3.60 gas is $1,688/year or $8,438 over 5 years. The same miles in a 20 MPG SUV costs $2,700/year — a $5,000 gap over 5 years. Fuel is the most variable bucket — a $0.50/gallon gas price swing moves a typical TCO by $1,000–$1,800 over 5 years. Hybrids and EVs cut this bucket 50–75% and often shift the winner in close comparisons.
Insurance (10–18% of total)
Driven by driver age, ZIP code, credit score, and the vehicle. A clean 35-year-old in suburban Ohio on a Camry pays $1,200/year ($6,000 over 5). The same driver in urban Miami on a Mustang GT pays $2,800/year ($14,000 over 5). Get quotes from your actual insurer for the specific VIN before buying — adjusted premiums on a sport sedan or luxury SUV can swing TCO $3,000–$6,000 vs a similar-price bread-and-butter vehicle.
Maintenance (5–10% of total)
Routine services scale with mileage and brand. Toyotas and Hondas typically run $500–$800/year. German luxury runs $1,200–$2,000/year just on routine. A 2023 BMW X3 needs $180 oil changes, $400 brake fluid flushes, $1,800 spark plug jobs at 60K, and $1,400 trans services. The same 5 years on a 2023 Honda CR-V runs about $3,200 total — the X3 can top $9,000. Price this in before romanticizing the badge.
Repairs (4–9% of total)
Year one is almost always covered under warranty. Years 2–4 on a reliable brand run $300–$600/year for incidentals (wheel bearings, sensors, occasional brake work). Year 5 starts climbing. Beyond 7 years or 90,000 miles, budget $1,000–$1,800/year. Unreliable-brand ownership past 5 years can top $2,500/year and is where most TCO comparisons diverge sharply from the Consumer Reports reliability data.
Registration, taxes, and fees (2–4% of total)
Varies wildly by state. California, Virginia, and Massachusetts have annual personal-property taxes tied to vehicle value — $400–$800/year on a new car. Oregon, Montana, and New Hampshire are minimal ($50–$150). The calculator lets you match your state. Sales tax is typically capitalized into the purchase price and absorbed in depreciation; annual registration is separate.
Three high-leverage moves to cut TCO 20–35%
1. Buy a 2–3-year-old reliable-brand car
The single largest win. A 2022 Toyota Camry at $21,000 today has the same remaining 8 years of useful life as a new 2025 at $29,000 — but you skip $8,000 of the worst depreciation. Year-for-year, the used version's TCO runs 30–40% lower than the same car bought new. Combined with a certified pre-owned warranty extension, the reliability downside is negligible.
2. Keep the car 8–10 years, not 4
Depreciation is front-loaded. Years 1–5 eat 55–70% of the car's value; years 5–10 eat another 20–25%. If you keep a $30,000 car 10 years at 12,000 mi/yr, your cost-per-mile drops from $0.52 to about $0.35. This is where disciplined owners reach the $20,000/year total automotive budget that most families find impossible.
3. Match the vehicle to actual use, not aspirational use
A 2024 full-size truck bought to "sometimes haul" costs $0.78–$0.90/mile when the hauling happens six times a year. The right answer is a $28,000 Toyota RAV4 for daily driving ($0.46/mile) plus a $55/day U-Haul six times a year ($330) — roughly $15,000/year cheaper over 5 years. Same principle for the 3-row SUV bought to visit grandma twice a year. Buy for the 80% of use case, rent for the 20%.
Worked example — new vs. 3-year-used Honda CR-V
New 2025 CR-V EX at $34,500 out the door, 15,000 miles/year, 5 years, 28 MPG average, $1,550/year insurance, $3.60 gas, 55% 5-year depreciation: total cost $38,900, or $0.52/mile, or $648/month true cost.
Used 2022 CR-V EX at $22,000 out the door, same mileage and duration, same insurance (slightly lower actually because of age), 35% remaining-5-year depreciation on the older car: total cost $27,800, or $0.37/mile, or $463/month true cost.
The used option saves $11,100 over 5 years on functionally the same car. At that math, the used buyer funds two additional years of ownership purely from savings on the first purchase.
Related tools
- Depreciation calculator — year-by-year value curve for your specific model.
- Used vs new analyzer — exact 5-year cost difference on the same model at different ages.
- Car payment — monthly payment plus amortization on any financing scenario.
- Maintenance schedule — 10-year service projection by make and model.