DETROIT, May 1 (Reuters) - U.S. auto sales fell 34.4 percent in April from a year earlier, according to data from auto manufacturers on Friday. The following are highlights from the largest carmakers in the U.S. market.

Overall industry

* Total light vehicle sales 819,540.

* Seasonally adjusted annualized sales rate 9.32 million vs 14.7 million a year earlier.

General Motors Corp GM.N

* Light vehicle sales down 33.7 percent (173,007).

* Year-to-date sales down 45.1 percent.

* Vehicle inventories at month-end: 742,000, down 74,000 vehicles from a year earlier.

* Cars/trucks: Car sales down 40.6 percent/light truck sales down 27.7 percent.