Stellantis will close its Arizona Proving Grounds this year as it works to sell the property.
It was one of numerous facilities, including the Auburn Hills headquarters and technology center, that the automaker, which has been facing numerous challenges related to sales and financial guidance in recent weeks, had negotiated during last year’s contract talks with the UAW for the ability to unload.
The company, which will maintain its proving grounds in Chelsea, Michigan, confirmed its plans for the 4,000-acre property in western Arizona on Friday…