(Bloomberg) -- General Motors Co. will spend about $100 million to reimburse customers who bought 2016 Chevrolet Traverse, GMC Acadia and Buick Enclave sport utility vehicles with overstated fuel economy figures, said a person familiar with the matter.

Fuel economy was overstated by 1 to 2 miles per gallon because the company failed to reflect new emissions-related hardware in calculations of efficiency for window stickers, according to a statement.

The 135,000 owners of the SUVs will receive a debit card or a 48-month, 60,000-mile protection plan, GM said in an e-mail. The company notified dealers today and will start sending letters to vehicle owners on May 25.

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