Buying a $40K car costs $35K net. Leasing it twice costs $39K.

What you're actually paying for

Buying means you pay for the entire car up front (via financing), then recoup some of that money when you sell. Leasing means you pay only for the car's depreciation during your lease term, plus a financing charge called the money factor. You never own the asset, but you also never eat the full depreciation curve.

Here's the 6-year math on a $40,000 car, side by side:

Total cash out the door: $49,000 to buy vs $39,200 to lease. But the buyer walks away with a $14,000 asset. Net cost: $35,000 to buy vs $39,200 to lease. Buying costs ~$4,200 less — if you actually keep the car.

That "if" is doing a lot of work. The average American trades in their car after 6.5 years, but the median is closer to 4. If you're trading in at year 3 or 4, you're eating the steepest part of the depreciation curve and getting almost no benefit from buying.

The depreciation trap

New cars lose value faster than almost any other asset you can buy. The first owner absorbs the worst of it. When you buy, you eat all of that depreciation. When you lease, the manufacturer sets a residual value and assumes the risk of the car being worth less.

Look at the shape of that curve. The car loses $18,000 in the first 3 years, but only $8,000 in the next 3. If you sell at year 3, you've paid $18,000 in depreciation alone — on top of interest. That's why buying a new car and trading it in after 3 years is the most expensive way to drive. You're paying buy-side costs for lease-length ownership.

When buying wins

Buying a car is the better financial move in specific, identifiable situations:

• You keep cars 7+ years. After year 5, the depreciation curve flattens dramatically. Years 6 through 10 are where buying pays off — you're driving a paid-off car that's losing only $100-150/month in value instead of $500+.
• You drive a lot. Lease contracts cap mileage at 10,000-12,000 miles per year. Every mile over costs $0.25. If you drive 15,000+ miles per year, the overage charges alone can add $2,000-3,000 over a 3-year lease.
• You want to modify the car. Leases require you to return the car in near-original condition. Aftermarket wheels, tint, suspension changes — all of it either needs to be reversed or you pay wear-and-tear charges.
• You hate having a perpetual payment. A 5-year loan ends. A lease rolls into the next lease. If the psychological weight of always owing a payment bothers you, buying lets you eventually drive payment-free.

When leasing wins

Leasing isn't throwing money away — it's paying for exactly the depreciation you use. It wins in its own set of situations:

• You want a new car every 3 years. Most people do, even if they won't admit it. Leasing makes that habit cheaper than the buy-trade-in cycle, because lease payments are based on depreciation, not the full vehicle price.
• You want the latest safety tech. Automatic emergency braking, blind-spot monitoring, and driver-assist features improve significantly every 2-3 model years. Leasing keeps you in the newest hardware.
• You don't drive much. If you're under 10,000 miles per year, you're the ideal lease customer. You'll never hit mileage penalties and the car stays in great condition for return.
• You can invest the monthly difference. The lower monthly outflow of a lease frees up cash that a disciplined investor can put to work.

For the first 5 years, leasing costs $249/month less ($475 vs $724). But in year 6, the buyer's loan is paid off — $0/month — while the lessee is still paying $475. Over 6 years, the lessee pays $9,800 less in total cash out, but owns nothing. The buyer spends more but walks away with a $14,000 asset. Net: buying wins by ~$4,200. The investment argument for leasing only works if you actually invest the monthly savings, which most people don't.

The hidden costs people miss

Both options have costs that don't show up in the monthly payment comparison. These are the line items that blow up people's spreadsheets after the fact.

Lease costs are predictable but rigid — go over mileage or return the car with a dent and you'll pay. Buy costs are unpredictable but flexible — you choose when to repair, when to sell, and how long to hold. That flexibility has value, but it also means budgeting is harder.