July 5 (Reuters) - General Motors on Wednesday reported a 19% rise in second-quarter U.S. auto sales as easing supply chain pressures allowed the automaker to ship more cars and trucks to dealers.

GM said second-quarter sales jumped to 691,978 vehicles from 582,401 vehicles a year earlier. (Reporting by Pratyush Thakur in Bengaluru; Editing by Shounak Dasgupta)