Critics have called foul on Ford's fuel economy ratings for the company's hybrid models for some time. Today, the automaker admitted that errors in its in-house fuel-economy evaluation caused inaccurate estimates. How inaccurate? In some cases, Ford claimed fuel economy as much as eight mpg better than the vehicles are actually capable of delivering.
Ford worked with the Environmental Protection Agency to re-test the cars in question and release revised figures. As a result, some 2014 Ford Fiesta models, the 2013-2014 C-Max Hybrid, Fusion Hybrid, Lincoln MKZ Hybrid, C-Max Energi, and Fusion Energi now carry downgraded EPA ratings.
While Fiesta models saw their figures drop by a relatively modest 1-2 mpg across the board, Ford's hybrids took a beating. The Fusion Hybrid's fuel economy rating dropped by six mpg combined, and the Lincoln MKZ Hybrid's ratings dropped by 8 mpg across the board.
Ford says errors in certain engineering models and wind tunnel evaluations are to blame, and that the company will make goodwill payments to customers who bought the affected cars. The company has sold approximately 200,000 vehicles impacted by the downgrade, and says it retested its entire fleet to make certain there were no other inconsistencies.
The complete rundown of affected models and the updated fuel economy figures is posted .