the costs on the way :

1- export plate and dubai inspection : 160 AED

2-to fix new plate blue one or to do it by your self 30 AED

3-insurance in dubai valid up to two weeks 110 AED

4-custom clearence on ghuaifat boarder 200 AED

5-kSA transit visa 160 AED

>>>>>> kSA <<<<<<

1-insurance one month or two weeks 110 KSA

2-car registeration 70 kSA

3- exsit from kSA boarder to salwa 50 KSA and car clearence 

>>>>>>> qatar <<<<<<<

1- insurance two weeks 120 QR or insurance one year 430 QR

2- no payment for the passport enternce 

3- custom car evaluation 5% from the car value 

4- for processing any office 100 QR

all these payments rounded and it was since more than one year 

notice : 1- payment of qatar through banks card if you dont have the offices can serve you just pay them cash .

2- petrol in KSA is the cheaper .5 SAR one liter , 1 QR in qatar , 1.80 AED in UAE - try to take full fuel from KSA.

>>>>>>>>> office in dubai <<<<<

you can pay them 4000 AED and receive your car on salwa free zone , and come by air .

........... the prices rounded and i payed much that is what i remember .....