Dear,
If you want use some second hand cars .
Please go to street 10 in al athiya road Opposite to petrol station road,there is a market for used cars.
Mainly n all the evening time you get some used cars over there.
2.If you need some cars for scrab go to street no.34 last towards right side you can see plenty of rejected cars as scrab.
3.if you need some Auto mobile parts go to street no.8 near Mitsubishi service center ,There is a shop name Doha scrab there you can get some auto parts in second hand.
Still you need dict....
call me for more details.
thanks.