Tesla  Inc. plans to deliver a high-performance version of its Model S on  Thursday, aiming to reignite interest in the nearly decade-old sedan and  fend off rivals such as Porsche, Mercedes-Benz, Lucid Motors and other  automakers in the luxury EV market.
 Tesla redefined  electric cars in 2012 when it launched its high-end Model S with a sleek  design and long driving range, but is facing a raft of new challengers.
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