Lease vs Buy Calculator

Buying is almost always cheaper in total cost, but leasing has a lower monthly payment. The correct comparison uses net cost — total paid minus vehicle equity at end of term.

On a $40,000 SUV over 36 months: the average lease produces a net cost of approximately $21,000 (everything paid, zero equity left). Financing the same vehicle produces a net cost of approximately $8,500 (payments minus the car’s $22,000 remaining value). Buying is roughly $12,500 cheaper in total.

Leasing wins financially only in specific situations: manufacturer-subsidised deals with very high residual values, business use where lease payments are fully tax-deductible, or drivers who change vehicles every 2–3 years regardless and want to avoid trade-in transaction costs.

True lease cost = (monthly payment × number of months) + drive-off amount + acquisition fee + disposition fee + any mileage overage charges at return.

Most people calculate only the monthly payment × term. The hidden costs that get missed:

Adding these fees to the monthly payment total gives the true lease cost — which is then compared against the net cost of buying (total loan payments minus vehicle value at the same point).

The 1% rule states that a good lease payment should be approximately 1% of the vehicle’s MSRP per month. A $40,000 car should lease for around $400/month. A $55,000 SUV should be around $550/month.

In 2026, the rule still works as a benchmark — but it is harder to achieve. Average new car prices have reached ~$48,000, and higher interest rate environments mean money factors have increased from the near-zero levels of 2020–2021. Many mainstream vehicles now lease at 1.1–1.4% of MSRP rather than exactly 1%.

How to use it: if a dealer quotes you significantly above 1% of MSRP (say, $650/month on a $40,000 vehicle = 1.625%), the money factor is likely marked up. Ask the dealer for the “base money factor” from the manufacturer’s programme and verify it independently. Manufacturers publish these monthly — lease deal communities track them.

The 1% rule is a quick sanity check, not a precise calculation. Use the car lease calculator with the actual money factor and residual to verify any specific quote.

In 2026, financing is the better choice for most buyers due to two market factors. First, average new car prices have reached ~$48,000, making lease payments ($613 average) only slightly below loan payments ($748 average) — the monthly payment advantage of leasing has narrowed significantly compared to 2020–2021. Second, auto loan interest rates in the 7–9% range mean the cost of financing has increased, but so has the money factor equivalent in leases — neither option is as cheap as three years ago.

The case for leasing in 2026 is strongest for: drivers who keep vehicles under 12,000 miles/year, business owners who can deduct lease payments, and anyone who finds a manufacturer-subsidised deal (which still exist on specific models and trim levels). The case for buying in 2026 is strongest for: high-mileage drivers (over 15,000 miles/year), drivers who keep vehicles 5+ years, and anyone building long-term equity.

With bad credit (below 620), buying is almost always your only realistic option. Most manufacturers require a minimum credit score of 620–680 for lease approval, and subprime lessees who are approved face money factors equivalent to 14–20%+ APR — eliminating the payment advantage that makes leasing appealing in the first place.

With a credit score below 620, focus on: (1) Credit unions — they consistently offer lower rates than banks or dealerships at any credit tier. (2) Used vehicle financing — a 3–5 year old used vehicle at $18,000–$25,000 with a 14% APR loan produces a much more manageable payment than a new car lease you may not qualify for. (3) Building credit — 12–18 months of on-time payments on any instalment loan can move a 580 score to 640+, unlocking meaningfully lower refinancing rates.

The auto refinance calculator shows exactly how much you can save when you refinance after your credit score improves — a common and effective strategy for subprime borrowers.

At the end of a standard US car lease you have four options:

1. Return the vehicle. Pay any applicable disposition fee ($300–$500), wear and tear charges, and mileage overages. Walk away with no further obligation.

2. Lease a new vehicle from the same manufacturer. The disposition fee is usually waived. You start a new 36-month lease on a current model. This is the cycle most lessees stay in.

3. Buy the vehicle at the residual value. If the car’s actual market value exceeds the contracted residual — which happens when market prices are high — this is profitable. You buy at a below-market price. If market value is below residual, there is no financial reason to buy out.

4. Sell the buyout to a third party. Some leases allow the lessee to sell the buyout to a dealership or private buyer, capturing the difference between residual and actual market value as equity. This option became very profitable during 2021–2023 when used car prices spiked well above residuals.

The residual value is the percentage of the vehicle’s MSRP that the manufacturer’s finance arm predicts it will be worth at the end of the lease term. It is expressed as a percentage — a 58% residual on a $40,000 vehicle means the manufacturer predicts the car will be worth $23,200 at the end of 36 months.

Residual value directly determines your monthly lease payment. The depreciation component of your monthly payment is: (Cap Cost − Residual Value) ÷ Term. A higher residual means you are financing less depreciation, resulting in a lower monthly payment. This is why vehicles with strong resale value (certain Japanese SUVs, popular trucks) lease cheaper relative to their MSRP than vehicles with poor resale value.

Why it matters for the lease vs buy decision: a very high residual value (65%+) means the manufacturer is subsidising your lease — the car is unlikely to actually retain that much of its value. When residuals are artificially high, lease payments become very low relative to the vehicle’s cost, sometimes making leasing the financially superior option for that specific model and month.

You cannot negotiate residual value — it is set by the manufacturer’s finance arm. You can only compare it across vehicles to identify which ones are currently subsidised.

Yes — but only two of the three main components of a lease payment are negotiable. Understanding which parts you can and cannot change is what separates an informed lessee from someone who gets a bad deal.

The most valuable negotiating action: get the selling price down before discussing monthly payments. Dealers sometimes increase the money factor to compensate for a reduced cap cost — verify using the car lease calculator that the quoted monthly payment matches what the formula produces with the base money factor and your negotiated price.

Leasing a car has the same credit impact as financing one. The application creates a hard inquiry (typically −5 to −10 points, temporary). The lease itself is reported as an instalment account on your credit report, and on-time monthly payments improve your payment history — the largest factor in your credit score (35%).

Leasing can actually help your credit score over a 36-month term if you make every payment on time. The on-time payment history and the positive instalment account activity both benefit your profile.

The credit risk specific to leasing: early lease termination. Breaking a lease before term end is costly ($2,000–$5,000 in fees) and if the termination results in a deficiency balance that goes to collections, it damages your credit significantly. Never lease a vehicle if there is a meaningful chance you will need to exit the contract early.

For credit-building purposes, both leasing and financing contribute equally — the key variable is on-time payment consistency, not which product you choose.

The money factor is the lease equivalent of an interest rate, expressed as a small decimal (typically 0.00100 to 0.00400). To convert to approximate APR, multiply by 2,400.

Examples of money factor to APR conversion:

Dealers are permitted to mark up the manufacturer’s base money factor and keep the difference as profit — exactly like the interest rate markup on dealer-arranged loans. Always ask: “What is the base money factor from [manufacturer finance arm] this month?” A dealer who refuses to disclose it is almost certainly planning to mark it up. Use the car lease calculator with the base money factor to verify that the quoted monthly payment is correct.