In A. M. Motors (2018) 18 GSTL 93 (AAR, Kerala), the assessee sought for advance ruling on whether input tax credit on the motor car purchased for demonstration purpose of the customer can be availed as credit on capital goods and set off against output tax payable under GST in the case of a motor car dealer.The Authority for Advance Ruling ruled that input tax paid by a vehicle dealer on the purchase of motor car used for demonstration purpose of the customer can be availed as input tax credit on capital goods and set off against output tax payable under GST.
You can avail the ITC on Demo Car ,if it is used in the course of business purpose or furtherance of business and also fullfills the all conditions mentioned U/s 16(2).