Secured vs unsecured car loans.

Most car loans written in New Zealand are secured, which means the car itself stands as security for the money that bought it. The lender records that interest on the Personal Property Securities Register, the PPSR, and because it has an asset to fall back on, your rate usually sits below a comparable unsecured personal loan.

An unsecured loan used to buy a car works the other way round. Nobody holds security over the car, the rate is higher to cover the lender's risk, and the car isn't directly on the line if repayments stop. Neither structure is automatically better than the other.

The choice is really a trade. Security buys you a lower rate and puts the car at risk. No security costs more and keeps the car clear of the loan.

The rate on any loan reflects the risk the lender is carrying. When the car is held as security, the lender has a second way to get its money back if payments stop, which is to repossess and sell it. That fallback lowers the lender's expected loss, and a lower expected loss generally means a lower rate. It is the same logic that makes a mortgage cheaper than a credit card. The asset behind the loan does the work.

Broadly, secured car loans here commonly sit around 8 to 13% depending on you and the car, while unsecured personal loans run higher, often into the teens, because nothing backs them. Those are indicative ranges rather than quotes, and your actual number depends on your credit record, your deposit, the term and the lender. The gap is not fixed, but the direction is. Without the security, the discount it bought disappears with it.

Secured finance is the default for most purchases, broadly $10,000 to $50,000, where the car is new enough and worth enough for a lender to want it as security. The lower rate is the draw, and lenders are comfortable securing against something they can value and resell. On a late-model Corolla, Ranger or CX-5 bought from a dealer, secured is simply what you'll be offered.

Unsecured lending lives at the edges of that picture. A car too old or too cheap for a lender to secure against, a small top-up over savings, or someone who would simply rather not pledge the car can all end up in an unsecured personal loan despite the higher rate. The trade is easy to state even though which side suits varies by person. Security buys a lower rate and puts the car at risk. No security costs more and leaves the car clear.

The rate gap is the headline, but it is not the whole comparison. Both structures carry fees. Secured loans commonly add an establishment fee, a periodic account fee and the PPSR registration fee, while unsecured personal loans have their own establishment and account fees. Total cost of credit, the interest plus every fee across the full term, captures the real difference, and the CCCFA requires a lender to disclose it before you sign.

Term does the rest of the work. A higher unsecured rate stretched over a longer term compounds the extra cost, while a shorter term on either structure cuts total interest and lifts the regular payment. Holding the amount steady in the calculator above and moving the rate between an indicative secured and unsecured figure shows how a few percentage points land on the weekly cost and the total repaid. Those numbers are indicative only, not a quote or an offer of credit.