Complete Guide

True cost of car ownership - what the payment hides

The Real Number
The average American spends $1,020/month to own a new car (AAA 2024). The average monthly payment is $738. That $282 gap - insurance, fuel, maintenance, fees, depreciation - is what the payment number was designed to make you forget.
True cost of car ownership — the hidden costs beyond the monthly payment
DATA UPDATED: May 2026 — AAA, KBB, Cox Automotive

The 6 cost components every owner pays

Loan payment
What the dealership quotes. 60% of the real number.
Insurance
Full coverage required on a financed vehicle. $130–$380/month depending on vehicle and state.
Fuel
15,000 miles/year, 28 MPG average, $3.50/gallon. $125–$250/month.
Maintenance & repairs
AAA 2024 data: $90–$185/month depending on vehicle age and type.
Registration & fees
National average $180/year = $15/month. Wide state variation.
Depreciation
New vehicles lose 15–20% of value in year one. The largest hidden cost.

The number the sticker never shows

I paid off a Porsche Cayenne early. It cost me more than I expected in every category that was not the payment. Insurance was $420/month. Premium fuel added $180/month. Two service visits per year at the dealer averaged $1,100 each. The payment was the smallest line item in the true monthly cost. That is not a Porsche problem. That is a car problem. It happens at every price point.

The $282 gap between the average payment ($738) and the average true cost ($1,020) is not a rounding error. It is a structural feature of how cars are sold. The monthly payment is the number that closes the deal. The true cost is the number that shows up every month for the next five years. Most buyers only run the first one.

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Frequently Asked Questions

What is the true monthly cost of owning a car?
AAA's 2024 driving cost study puts the average all-in monthly cost of a new vehicle at $1,020 - covering the loan payment, insurance, fuel, maintenance, registration, and depreciation. The payment alone is typically 55-65% of the actual monthly cost.
How much does car depreciation cost per month?
A new car loses roughly 15-20% of its value in the first year - about $4,500 on a $30,000 vehicle. That is $375/month in year one alone, purely from the clock ticking. Depreciation is the single largest cost of new car ownership that never appears on a payment statement.
Is it cheaper to own a used car vs a new car?
Yes, in almost every case. A 3-year-old vehicle has absorbed the steepest depreciation curve, often saving $150-250/month in depreciation alone compared to new. Maintenance costs are somewhat higher but rarely offset the depreciation savings for vehicles under 100,000 miles.
What is the cheapest car to own long-term?
Toyota and Honda consistently top total cost of ownership rankings due to lower maintenance costs and slower depreciation. A paid-off Toyota Camry or Honda Civic at 80,000 miles costs $400-600/month all-in versus $900-1,200/month for the equivalent new vehicle with a payment.
Does car insurance count toward the 15% rule?
Yes. The 15% rule applies to total car costs including insurance. If insurance is $175/month and your ceiling is $600/month, your actual payment ceiling is $425/month - not $600. This is one of the most common misapplications of the rule.

True cost by vehicle

True Cost
2025 Ford F-150
$1,562/mo all-in
True Cost
2025 Chevrolet Silverado 1500
$1,614/mo all-in
True Cost
2025 Ram 1500
$1,591/mo all-in
True Cost
2025 Toyota Tacoma
$1,386/mo all-in
True Cost
2025 GMC Sierra 1500
$1,653/mo all-in
True Cost
2025 Toyota RAV4
$1,261/mo all-in
True Cost
2025 Honda CR-V
$1,287/mo all-in
True Cost
2025 Ford Explorer
$1,548/mo all-in
True Cost
2025 Jeep Grand Cherokee
$1,604/mo all-in
True Cost
2025 Chevrolet Equinox
$1,238/mo all-in
True Cost
2025 Hyundai Tucson
$1,212/mo all-in
True Cost
2025 Nissan Rogue
$1,260/mo all-in

From the Automotivist

What true cost looks like in practice — told through real vehicles, real numbers, and one person's financial arc with cars.

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Personal Story
I Paid Off the Cayenne Early. It Did Not Matter.
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Financial Philosophy
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Car Finance
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Car Buying
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Rideshare Economics
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Car Finance
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NYC
The Real Cost of Owning a Car in NYC for One Year
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