New vs used value

New vs used value is the total cost-of-ownership comparison between buying a new vehicle and buying a used one of the same class, evaluated over a defined ownership period and including depreciation, warranty coverage, maintenance, financing, and resale value at the end of the period.

Why it’s not the sticker price

The headline price of a new car versus a used one understates the true gap on one side and overstates it on the other:

• New cars depreciate steeply early. A typical petrol car loses 20–25% of its value in year one, another 12–15% in year two. A buyer who holds for 3 years and resells absorbs nearly half the purchase price as depreciation.
• Used cars cost less but maintenance climbs. Once past warranty, year-by-year maintenance grows from a few hundred dollars to over $2,000 per year as wear items accumulate.
• Warranty offsets some new-car cost. During warranty, almost all maintenance is free. That’s worth $500–$1,500 per year of ownership.
• Financing scales with purchase price. A new car loan at the same rate costs more in interest than a used car loan because the principal is larger.

The three-year-old sweet spot

For most ownership periods of 4–7 years, a 2–4 year old used car often has the best total-cost outcome. The vehicle has passed the steepest part of the depreciation curve, typically still has at least one year of warranty, and is mechanically reliable. After year 7 or 8, maintenance accelerates and the calculus shifts.

What the comparison isolates

A clean new-vs-used calculation strips out shared costs (fuel, registration, insurance class) and focuses on the variables that actually differ:

• Purchase price
• Annual depreciation rate (usually higher for new in the first 3 years)
• Warranty coverage period (zero for older used vehicles)
• Maintenance trajectory (rising with age)
• Financing interest

The result is the difference in total cost over your ownership period, plus the effective monthly cost of each option for budgeting purposes.