I'm still looking for details. So far:
>
> "The Government announces the introduction of a temporary
> vehicle scrappage scheme. A discount of 2,000 will be offered
> to consumers buying a new vehicle to replace a vehicle more than
> ten years old which they have owned for more than twelve months. >
Scrappage scheme buyers will find the new price of a new car is more attractive than newish second-hand cars.
So are there likely to be enough scrappage scheme buyers to cause a decline in price of all newish second-hand cars?