Badged 400e, the new model basically lays out the path that virtually every auto maker will follow as global cities clamp down on compromised air quality: it uses a 2.0-litre four-cylinder petrol engine and 85kW electric motor fed by a 13.1kWh high-voltage lithium ion battery to deliver a total power output of 404bhp.
The highlights of the mid-life facelift, ahead of an all-new model arriving in 2020, are a hot SVR variant and a plug-in hybrid electric model.
Land Rover said the plug-in hybrid means "customers can experience zero-emission near-silent off-road luxury with uncompromised all-terrain capability" for the first time, while also having free access to most congestion charging zones. The charging socket is at the front of the vehicle, while the 13.1 kWh prism-shaped lithium-ion battery is mounted at the rear beneath the boot floor. By comparison, the V6 diesel Range Rover Sport, the predicted biggest seller, emits 185g/km and delivers 40.4mpg.
Range Rover has introduced the new engine alongside other changes to the Range Rover Sport for 2018. In normal use, the vehicle operates in Parallel Hybrid mode, blending the petrol engine and electric motor to deliver the most frugal and fluent progress. According to Land Rover, the plug-in hybrid does zero-to-60 miles per hour in 6.3 seconds (0-100 km/h in 6.7 seconds) and has a top speed of 137 miles per hour (220 km/h).
While the hybrid in the P400e works similarly to systems found in other brands, a highlight is the so-called Predictive Energy Optimisation whereby the driver can select a destination in the sat-nav system and allow the auto to automatically optimise the operation of the internal combustion engine and electric motor.
Despite the impressive performance figures, it has a claimed combined fuel use of just 2.8L/100km, with a 51km electric only range and a charging time as low as 2 hours, 45 minutes.
Prices for the new Range Rover Sport line-up starts at £61,315 for the HSE model with a 2.0-litre four-cylinder engine, while the P400e PHEV has a starting price of £70,800. There is an updated infotainment system with two 10-inch touchscreens, redesigned LED headlights and a new gesture-controlled sunblind, which can be opened with by waving a hand in the right way rather than with a switch. Known as the Range Rover Sport 400e, the eco-minded SUV features a plug-in hybrid powertrain that is created to improve fuel economy and lower Carbon dioxide emissions. Deliveries begin early in 2018.