FACTBOX: Key facts about April auto sales

DETROIT (Reuters) - U.S. April auto sales fell 14 percent from a year earlier on an adjusted basis, according to data from auto manufacturers on Thursday. The following are highlights from the largest carmakers in the U.S. market.

Overall industry

* Total light vehicle sales -- 1.25 million units.

General Motors Corp (GM.N) (excluding Saab)

* Light vehicle sales down adjusted 22.6 percent (256,058 units), unadjusted sales down 16 percent

* Year-to-date sales down 12.2 percent

* Inventories at month-end: 824,000 units

* Cars/trucks: Car sales down adjusted 7.3 percent/light truck sales down 32.3 percent

* Market share: 20.5 percent

* Key vehicles: Chevrolet Impala down 12.4 percent, Chevrolet Malibu up 28.8 percent, Chevrolet Silverado down 30.5 percent, Chevrolet Tahoe down 34.9 percent, GMC Sierra down 27.7 percent.

* Incentives: average $3,300 per vehicle, up from $2,803 a year earlier.

Toyota Motor Corp (7203.T)(TM.N)

* Vehicle sales down adjusted 4.5 percent (217,700 units), unadjusted sales up 3.4 percent

* Year-to-date sales down 3.3 percent

* Market share: 17.5 percent

* Cars/trucks: Car sales up adjusted 3.3 percent/trucks down 14.9 percent