Toyota Motor Corp. unveiled its new Sai compact hybrid sedan Tuesday, hoping to expand the range of its fuel-efficient lineup.

The gasoline-electric Sai, which goes on sale Dec. 7, is Toyota's third exclusive hybrid model after the Prius and Lexus HS250h launched in July.

Using the same hybrid system as that of the Prius, the Sai, ranging in price from ¥3.38 million to ¥4.26 million, has a 2.4-liter gasoline engine, compared with the ¥2.05 million Prius' 1.8-liter engine.