Everything depends on getting an residence permit (RP) out here. Once you get that you can avail a car loan directly from the dealer (banks attached with dealers) or through your preferred bank (for brand new or second hand purchase).

You would require a salary statement and an NOC from your employer for picking up a car.

Be Aware though that the rates of interest offered are FLAT RATES and not reducing balance as you would be normally accustomed to. All banks will advertise a 3-4% interest rate but they are actually 8-11%.I have written more in this post. http://www.qatarliving.com/node/30288