Lease vs Buy Car: Complete Guide

Quick Summary

• Leasing often wins on monthly cash flow, especially if you like newer cars and stay within mileage limits.
• Buying often wins long-term if you keep the car for years after the loan is paid off.
• Credit score matters for both, because APR or money factor can materially change total cost.
• Business use can shift the math due to lease-payment and depreciation deductions.

Tax Implications: Leasing vs Buying

Tax treatment can be very different between leasing and buying, especially for business use.

Personal use

• Sales tax is typically paid on the purchase price when buying (upfront or financed).
• For leases, sales tax is commonly applied to lease payments.
• Personal auto-loan interest is generally not deductible.

Business use

• Lease payments may be deductible based on business-use percentage.
• Buying may qualify for depreciation strategies (for example, Section 179 and bonus depreciation rules where applicable).
• Actual-expense vs mileage-method choices can change the best option.

Tax rules vary by jurisdiction and change over time. Always confirm with a qualified tax professional.

How Credit Score Affects Your Offer

Better credit typically means lower financing cost, whether the lender quotes APR (buy) or money factor (lease).

• Higher score: lower APR/money factor, better approval odds, and often smaller required down payment.
• Lower score: higher finance cost, potentially stricter terms, and larger cash required at signing.

A small rate difference can materially impact total cost over multi-year terms, so run multiple rate scenarios in the calculator before deciding.

Long-Term Financial Tradeoffs

Buying

• You build ownership and can eliminate payments after the loan term.
• You control resale timing and can recover some value.
• You absorb depreciation and higher out-of-warranty repair risk later on.

Leasing

• Payments are often lower and costs are predictable during warranty years.
• You avoid resale process overhead.
• You usually face mileage limits and potential end-of-lease fees.
• You typically remain in a recurring payment cycle if you lease again.

Case Studies: Which Option Fits Better?

• Frequent upgrader, low annual miles: leasing can be a cleaner fit.
• High-mileage commuter, long ownership horizon: buying usually wins.
• Small business owner: compare lease deductions vs depreciation strategy with tax advice.
• Budget-focused driver with strong credit: buying can minimize total lifetime cost.

Use This Guide With the Calculator

• Model realistic lease-end costs and resale value.
• Test optimistic vs conservative interest rates.
• Run both full-term and custom comparison periods.
• Decide based on your actual ownership timeline, not only monthly payment.