Luxury off-roader brand Land Rover has announced 2019 Model Year updates to its Range Rover and Range Rover Sport models:  The brand’s first plug-in hybrid vehicle, to be badged P400e, has an estimated all-electric driving range of 31miles.  It will slot into the middle of the lineup, priced around $78,000 for the Range Rover Sport P400e, and $95,000 for the Range Rover HSE P400e.  All 2019 Range Rovers will offer a new Driver Assist Pack, which adds Adaptive Cruise Control with Steering Assist to their already-comprehensive suite of electronic driving, crash avoidance and parking systems.  And, enhancing the brand’s legendary off-road prowess, a new Wade Sensing system gives real-time water depth measurements when traversing deep water.