Domestic sales of passenger vehicles in 2017 stood at 239,723 units, data said.New Delhi:Sale of passenger vehicles in domestic market declined by 0.43 per cent on a year-on-year basis in December to 238,692 units, according to data released on Monday by Society of Indian Automobile Manufacturers (SIAM).Domestic sales of passenger vehicles in 2017 stood at 239,723 units, data said.Among sub-segments of passenger vehicles, sale of passenger cars in domestic market during month was 155,159 units, 2.01 per cent lower than what was sold in year ago period.Further, number of utility vehicles sold in country declined by 2.33 per cent to 65,506 units in December 2018 while 18,027 vans were sold last month, up 25.95 per cent from 2017.In commercial vehicle segment, domestic sales declined by 7.80 per cent to 75,984 units last month, SIAM data showed.