It will reportedly use JLR's new electric-only EMA architecture.
The PHEV version of the RX has a 2.5-liter inline-four gasoline engine, a claimed electric range of 35 miles, and is the most expensive model in the lineup.
This E28 BMW M5 was originally owned by the king of Sweden.
Teaser images of the modified Hummer EV, which will be fully unveiled this month, show an array of solar panels covering the roof and a roomy-looking rooftop tent.
The automaker is exiting the full-size pickup market and will instead start building EV sedans at the plant in Mississippi that has built the Titan since 2003.