New Delhi (CNN Business) Britain's biggest carmaker is cutting thousands more jobs.

Jaguar Land Rover (JLR) will reduce its global workforce by 4,500 as part of a plan to cut costs by £2.5 billion ($3.2 billion), it announced Thursday. That's in addition to 1,500 people who left the company last year.

It has also suffered from the uncertainty surrounding Brexit and a collapse in sales of diesel vehicles in the wake of Volkswagen's ( VLKAF ) emissions scandal. In September, it put hundreds of workers at one of its UK plants on a three-day work week

"We are taking decisive action to help deliver long-term growth, in the face of multiple geopolitical and regulatory disruptions as well as technology challenges facing the automotive industry," CEO Ralf Speth said in a statement.

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