The definition of a "Demonstrator" is loose, it can be anything, it can be a genuine car dedicated for the sole purpose of test drives, it can be a ex-employee's car after a downsize of employees in the dealership, it may be the car of the dealer principles wife, demonstrators are "fair game" for an employee who needs to borrow a car for a weekend away, there is also stock cycling or churning, I knew of a dealership senior manager who had 16 Peugeot 205 cars in 3 years, after his short period of use, the car would be go on sale, Some demonstrators are sales-timelocked, they can be sold but not released to the buyer until the timelock expires, the timelock can have a duration of several months