Porsche finance and part exchange, explained

Updated 25 August 2026

On cars at these values the finance structure matters as much as the headline rate. A short, honest explanation.

The three common structures

Hire purchase

Fixed payments, and you own the car at the end. Higher monthly cost than the alternatives, no mileage restriction, no condition assessment at the end. The simplest option and often the cheapest overall if you keep cars.

PCP

Lower monthly payments because a large balloon is deferred to the end. At that point you pay it, refinance it, or hand the car back. Mileage limits and condition standards apply, and exceeding either costs money.

Suits people who change cars every few years and want predictable monthly cost.

Lease purchase / balloon HP

A middle ground: deferred balloon like a PCP, but with ownership intent and usually without the return option. Common on higher-value cars.

What actually determines cost

Not just the APR. The deposit, the term, the balloon and the deposit contribution all move the total. Two quotes at the same rate can differ substantially in what you pay overall.

Always ask for the total amount payable, and compare that figure rather than the monthly.

Part exchange

Castle Motors takes part exchanges against anything in stock. A few things help you get a fair figure:

VAT-qualifying cars

Some vehicles are VAT qualifying, which changes the arithmetic for a VAT-registered buyer considerably. Check which you are looking at — it is not always obvious from the advert.

Talk to us first

Finance figures are quoted against every car we list, but they are illustrative. Call 01503 240777 and we will structure something around what you actually need.

Watch

2020 Porsche Boxster PDK 2.0T in Gentian Blue for sale at Castle Motors — watch on YouTube

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