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Buying & Selling

How does part exchange work when buying privately?

Trading in your old car doesn't have to happen at a dealership. Here's how to arrange it directly with another private seller, step by step.

Part exchange is usually thought of as something that only happens at a dealer forecourt — trade in your old car, the value comes straight off the price of your next one. There's no reason it can't work the same way between two private individuals, it just needs a bit more coordination since there's no single business handling both sides of the deal.

1

Look for sellers open to it

DriveGrid listings can be filtered specifically to sellers who'd consider part exchange or a swap, so you're only looking at people who are genuinely open to the idea rather than guessing and asking cold.

2

Know your own car's value first

Get an honest sense of what your car is actually worth before you start the conversation — DriveGrid's valuation tool gives a real trade estimate in seconds, so you're negotiating from an informed position rather than a guess.

3

Agree the numbers before anything else

Settle on a value for your car and a value for theirs independently, then work out the difference — trying to negotiate both at once as one blended number tends to get confusing fast.

4

Handle the paperwork like any private sale

A part exchange between private individuals is really two sales happening at once. Both cars need a proper change of keeper via the DVLA, same as any private sale would.

5

Check history on both cars

It's easy to focus scrutiny on the car you're buying and forget the one you're offering also deserves the same honesty — an HPI check both ways keeps things fair and avoids awkward surprises for either side.

It takes a little more legwork than a dealer handling everything in one transaction, but it also means both sides can negotiate the real value of each car directly, without a forecourt margin sitting in between.

Find sellers open to part exchange

Filter DriveGrid listings to sellers who'd consider a part exchange or swap.

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The DriveGrid app is on its way

Browse, save and message on the move. We're building iOS and Android apps, and we'll let you know the moment they land.

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