Amid heated global competition over developing next-generation cars such as self-driving automobiles and electric vehicles, Toyota Motor Corp. unveiled Tuesday a new sports car brand inspired by its expertise in motor sports.

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Under the brand name GR, which comes from Toyota's motor sports brand Toyota Gazoo Racing, the auto giant unveiled seven cars remodeled as sports editions, including the Vitz compact, Voxy and Noah minivans, and the Prius and Mark X sedans. They hit Toyota's retail outlets Tuesday.