100% Free Financial Comparison Tool

Compare Leasing vs. Buying

Stop arguing over which is cheaper. Calculate the exact True Net Cost of both options based on depreciation, interest, and the equity you build over time. This free online tool allows you to compare leasing vs buying quickly and accurately. No sign-up or installation required.

The Mathematics of Lease vs. Buy

The debate over leasing versus buying is clouded by dealership marketing and confusing terminology. Dealerships prefer to lease cars because they can sell you the same car twice—once to you for 3 years, and again as a Certified Pre-Owned vehicle when you return it.

However, neither option is inherently "bad." The correct choice depends entirely on the math of the specific vehicle (its depreciation rate) and your lifestyle. To uncover the truth, you have to look past the monthly payment and analyze the True Net Cost.

Why Monthly Payments Lie to You

If you look only at the monthly payment, leasing will always appear cheaper. This is because when you buy a car, your payments are designed to pay off the entire value of the vehicle. When you lease a car, your payments are only covering the depreciation of the vehicle over 3 years.

The Buy Scenario: You buy a $40,000 car. You pay $700 a month for 3 years ($25,200 out of pocket). However, at the end of year 3, the car is worth $22,000, and you only owe $18,000 on the loan. If you sell it, you pocket $4,000 in cash (Equity). Your True Net Cost is $21,200 ($25,200 - $4,000).
The Lease Scenario: You lease the same $40,000 car. You pay a cheaper $500 a month for 3 years ($18,000 out of pocket). At the end of year 3, you hand the keys back to the dealer. You receive $0 in equity. Your True Net Cost is $18,000.

In the example above, leasing actually won by $3,200. But if the car holds its value better (e.g., a Toyota Tacoma), the equity gained by buying completely flips the math, making Buying the cheaper option. Our calculator does this complex residual-equity math for you instantly.

Residual Value: The Most Important Number

The Residual Value is the dealership's guaranteed price of what the car will be worth at the end of the lease. If a car has a high residual value (it holds its value well), lease payments will be incredibly cheap because you aren't paying for much depreciation. Conversely, if you want to lease a luxury sedan that plummets in value the moment you buy it (low residual value), your lease payments will be astronomical.

The Danger of the "Capitalized Cost Reduction"

Dealerships often advertise leases like this: "Lease a new SUV for only $299 a month! ($4,000 due at signing)."

That $4,000 is a down payment, but in leasing, it's called a Capitalized Cost Reduction. It is a terrible financial idea. If you drive that leased SUV off the lot and someone crashes into you, totaling the vehicle, your insurance company pays the dealership for the value of the car. The lease is canceled, but your $4,000 down payment is gone forever. Rule of thumb: Always put $0 down on a lease.

Expert Tip: Hidden Lease Fees

When comparing costs, remember that leases come with hidden fees that buying does not. You will pay an "Acquisition Fee" (usually $500 - $900) to start the lease, and a "Disposition Fee" (usually $300 - $500) when you return the car. Additionally, if you scratch a leased car or curb a wheel, the dealership will charge you heavily for "excessive wear and tear" when you return it.

Frequently Asked Questions

Common questions about Money Factors, Residuals, and Equity.

What is a Money Factor in a lease?

The Money Factor is how dealerships calculate interest on a lease, but it is expressed as a tiny decimal instead of an APR percentage to confuse buyers. To convert a Money Factor to an APR, multiply it by 2,400. For example, a Money Factor of 0.0025 equals a 6% APR (0.0025 * 2400 = 6). Our calculator automatically converts lease APR into Money Factor behind the scenes.

What is Residual Value?

Residual Value is the dealership's prediction of what the car will be worth at the end of your lease. If a $40,000 car has a 55% residual value on a 3-year lease, the dealer expects it to be worth $22,000 when you turn it in. You are essentially paying for the 45% depreciation ($18,000) over those 3 years.

Why should I never put money down on a lease?

When you put a down payment on a lease (called a Capitalized Cost Reduction), you are simply pre-paying your rent. If you put $3,000 down to lower your monthly payment and you total the car a week later, your insurance pays the dealership for the car, but you completely lose your $3,000. It is always safer to put zero down on a lease and accept the higher monthly payment.

The Mathematics of Lease vs. Buy

Why Monthly Payments Lie to You

The Buy Scenario: You buy a $40,000 car. You pay $700 a month for 3 years ($25,200 out of pocket). However, at the end of year 3, the car is worth $22,000, and you only owe $18,000 on the loan. If you sell it, you pocket $4,000 in cash (Equity). Your True Net Cost is $21,200 ($25,200 - $4,000).

The Lease Scenario: You lease the same $40,000 car. You pay a cheaper $500 a month for 3 years ($18,000 out of pocket). At the end of year 3, you hand the keys back to the dealer. You receive $0 in equity. Your True Net Cost is $18,000.

Residual Value: The Most Important Number

The Danger of the "Capitalized Cost Reduction"

Dealerships often advertise leases like this: "Lease a new SUV for only $299 a month! ($4,000 due at signing)."