So, "part ex-" means "part exchange," which is the practice of trading in an old item (usually a vehicle, but it can be other things) as part of the payment towards a new one.
The term "part exchange" is often shortened to "PX" or "trade-in."
So, "part ex-" means "part exchange," which is the practice of trading in an old item (usually a vehicle, but it can be other things) as part of the payment towards a new one.
The term "part exchange" is often shortened to "PX" or "trade-in."