QAR2000 will get you a Nissan Sunny or similar. QAR3000 might get you a decent brand SUV.

Can't comment on utilities they are included in my rent.

Cost of living depends very much on your lifestyle choices. Veg imported from Europe is usually very expensive, eating out at 5* hotels is expensive, a family membership at one of the hotels with a beach is expensive (and can be googled).