Can't speak for Volvo but at a Ford dealership if you bought a new car and asked for one it was yours. Still have dad's 65 Mustang and 63 T-Bird dealer promo cars around somewhere.
Sadly the real cars are long gone.
The Ford models are kinda a ivory off white color. Cars are common. The box they came in is worth big money. Thrown away most of the time.
Cool! I kind of wish that they still did that since it is kind of cool to have detailed model cars and especially if it is of a car that you own. I guess todays cars would be kind of boring though but it is still neat. Maybe I will have to go backwards and get a car to match the model!