A newly announced set of revisions for the Range Rover and Range Rover Sport sees the biturbo version of a Ford-supplied 3.0-litre diesel engine replaced by a single-turbo set-up.
Range Rover TDV6 derivatives now adopt a ball-bearing single turbocharger. Along with Low Pressure Exhaust Gas Recirculation (LPEGR), a two-stage oil pump that reduces parasitic engine losses and a revised design of fuel-injector nozzle, this engine continues to produce 190kW (258PS) and 600Nm. Fuel efficiency, however, is improved by a claimed 8.5 percent.
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Range Rover Sport SDV6 derivatives retain parallel-sequential turbocharging, but detail calibration changes increase performance to 225kW (306PS) and 700Nm, increases of 14PS and 100Nm respectively. LPEGR, a two-stage oil pump and revised fuel-injector nozzles are said to increase fuel efficiency by 7.0 percent to 7.0l/100km (40.4mpg) with CO2 emissions of 185g/km.
Two other updates for these vehicles are the new options of All-Terrain Progress Control system (ATPC) and Head-Up Display (HUD).
ATPC allows the driver to select a desired speed, either from rest or an existing speed, without any pedal inputs once the brake is released. The system continuously monitors and adjusts vehicle settings so as to optimise traction in all conditions.
The new system is claimed to be particularly beneficial in challenging off road environments where a very low constant speed is desirable. ATPC works both in forward and reverse gears and is operational from 1mph to 19mph (1.8km/h to 30km/h).
Available on Range Rover TDV6, Range Rover Sport SDV6 (not including SDV6 Hybrid) and all V8 Supercharged derivatives*, Range Rover and Range Rover Sport are the first models to feature ATPC, which is an additional GBP175.
The cost of having HUD in either a Range Rover and Sport is GBP1,000. The displayed readouts include vehicle speed, gear position and shift indicator, cruise control information, satellite-navigation instructions and Traffic-Sign Recognition. The driver pre-selects which information is to be displayed.
The new engines (which are manufactured by Ford at its Dagenham powertrain plant east of London) as well as HUD and ATPC, are available to order in the UK now.
* When specified with dual-range transmission and Terrain Response 2
See an ATPC video here.
