Replacing the current diesel options, the 2.0-litre unit will significantly improve the economy and emissions of the compact SUV, which will offer combined cycle fuel consumption figures of up to 57.7mpg and CO2 emissions of 129g/km.
This will be alongside power and torque levels that Land Rover dubs class leading. The four-cylinder unit, constructed in the new Jaguar Land Rover (JLR) engine plant in Wolverhampton, will be available in 148 and 177bhp guises, with torque figures of 280 and 317lb/ft respectively.
The lower-power engine will be offered in the five-seat Discovery Sport, while the higher-powered variant will be fitted to the TD4 5+2 variant, matched to either a six-speed manual or JLR’s recently introduced nine-speed auto transmission.
In both cases, the more potent engine returns combined cycle fuel economy of 53.3mpg and CO2 emissions of 139g/km.
The new TD4 engine is a lightweight construction unit using mainly aluminium, with stiff cylinder blocks and decoupled injectors that ensures low levels of vibration and noise intrusion.
Recent technologies help reduce internal friction, improve refinement and enhance overall performance, while a Selective Catalytic Reduction feature and a new low-pressure exhaust gas recirculation system significantly reduce both CO2 and NOx emissions.
The 147bhp model is dubbed ‘E-Capability’ as Land Rover’s most efficient option. This is further aided by low rolling-resistance tyres and eco-pitched gearing and engine management.
Existing Discovery Sport prices remain unchanged though the new 147bhp version drops the starting point for the manual five-seat SE trim variant to £30,695. Service intervals across the range are also increased from 16,000 to 21,000 miles.
Land Rover has also added an HSE Black trim level to UK models. It adds to the existing HSE specification with the Black Pack styling additions and privacy glass. The HSE Black Auto is priced at £41,250 on the road.
According to Land Rover’s programme director Murray Dietsch, the new family of Ingenium engines is truly class leading.
“By introducing it to the Discovery Sport, we can now offer enhanced fuel economy and reduced CO2 emissions, while improving overall performance,” he says.
“The Ingenium engine confirms Discovery Sport’s position as the most versatile and capable compact premium SUV in the world,” Dietsch adds.