There are several differences between private vehicle sellers and car wreckers in Perth:

1. Purpose: Private vehicle sellers sell their vehicles for personal reasons, such as to upgrade to a newer model or to dispose of a car they no longer need, while car wreckers purchase vehicles for their salvageable parts and scrap metal.
2. Type of vehicles: Private vehicle sellers typically sell their own personal vehicle, while car wreckers purchase any type of vehicle, including damaged or wrecked ones.
3. Condition of vehicles: Private vehicle sellers typically sell vehicles in working condition, while car wreckers purchase damaged or non-working vehicles.