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  • 2016 Range Rover, Sport Get Diesel Option for U.S.

2016 Range Rover, Sport Get Diesel Option for U.S.

Diesel V-6 Rated at 28 MPG Highway, 25 Combined

Jan 11, 2015
A growing number of premium SUVs offer a diesel option, most of them from Germany. However, buyers will soon have two new options for diesel-powered luxury SUVs. The 2016 Range Rover and Range Rover Sport Td6 models will offer an available 3.0L V-6 turbodiesel making 254 hp and 440 lb-ft of torque. Naturally, the biggest appeal for the diesel option is an increase in fuel economy and range. Total range for the diesel models is 658 miles. The EPA ratings of 22 mpg city and 28 mpg highway represent a 32-percent improvement over the gas supercharged 3.0L V-6. Although the peak horsepower is 86 ponies lower than the gas V-6, torque is up a significant 108 lb-ft. The boost in torque largely negates the downside of the lower peak horsepower, with acceleration figures just a few tenths off from the gas V-6 models at an estimated 7.4 seconds from 0-60 for the Range Rover and 7.1 seconds for the Sport model.
Both the Range Rover and Range Rover Sport underwent a massive lightening program in 2013 and 2014, respectively, transitioning to an all-aluminum body. The lighter weight of the new models also contributes to the diesel’s remarkably frugal fuel consumption. Other technical highlights of the engine include an updated water-cooled turbocharger with new ball bearings, vanes, and nozzles for optimum efficiency. To reduce NOX emissions, the engine features a unique cool low-pressure exhaust gas recirculation (EGR) system that feeds exhaust gases aft of the the DPF back into the turbocharger inlet.
Like almost all diesels currently on sale in the U.S., the Range Rover Td6 models will have a Selective Catalyst Reduction (SCR) system utilizing urea diesel exhaust fluid. The reservoir and fill for the DEF is under the hood, and top-off intervals are claimed to be 10,000 miles. To prevent misfueling, the fuel filler neck will only open when the larger diesel nozzle is inserted.
To deliver the expected levels of refinement and noise isolation, the diesel models feature dual-isolation engine mounts, acoustic laminated windshields, and a bulkhead between the engine and passenger compartment specifically designed to minimize engine noise. Both Td6 models will go on sale in the U.S. in fall 2015, with pricing announced closer to their on-sale dates.
Source: Land Rover

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