A US factory is essential if Jaguar Land Rover is to continue growing and stay competitive, says CEO Ralf Speth.
It has to find one product with annual sales of 30,000 to 40,000 to make a US assembly plant worthwhile, he added.
UK order books have opened for the next generation Mazda MX-5.
It has started to be built in Japan and first British models are due later this year.
Less than one year from launch the Mitsubishi Outlander PHEV has now overtaken every other plug-in hybrid and pure electric car, even passing vehicles that have been on sale since 2011, such as the Nissan Leaf, to become the UK’s favourite plug-in vehicle.
By the end of March, sales of the Mitsubishi Outlander PHEV will have passed the 10,000 mark.