Yes, you will be charged interest as well as processing fees and this will vary from bank to bank and depend on your total. 

  Interest Paid
Bank/ Months 3 6 9 12 18 24
Bank AlJazira 0% 1.50% 1.20% 1.00%    
ENBD 1.50% 1.50% 1.50% 1.50%    
Riyad bank 0.50% 0.75%   1.00%    
SABB   0%   0%   24%
Saudi Investment Bank 0% 0%   0%    
Alawwal Bank   0%   0%   24%

 

  Processing Fee
Bank/ Months 3 6 9 12 18 24
Bank AlJazira SAR 50 SAR 50 SAR 50 SAR 50    
ENBD            
Riyad bank SAR 50 SAR 50   SAR 50    
Dubai First   103.95 SAR   208.95 SAR   SAR 52.5
Mawarid Finance 1% 2%   2%    
RAK   103.95 SAR   208.95 SAR   SAR 52.5

 Please note that the full amount will be charged on your card on the day of the transaction.