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Vauxhall has added the 1.6-litre variant of its 'whisper diesel' engine range to the Vauxhall Insignia.

The new version of this mid-size turbo engine replaces the current 2.0-litre units.

Priced from £19,534 to £26,114 on-the-road, the 1.6 CDTi (136PS) ecoFLEX version achieves a top speed of 130mph and 0-60mph in 10.9 seconds, achieving 99g/km CO2 emissions when specified with 17-inch alloy wheels and ultra-low rolling resistance tyres (Design, SE, Tech Line and SRi models only). Fuel consumption is up to 74.3mpg combined.

New to the Insignia range is OnStar, offering a Wi-Fi hotspot for up to seven devices, emergency response notification if the airbag deploys, and stolen vehicle recovery technology.

Connecting drivers directly with a call centre advisor, it provides owners with a personal assistant 24/7, who can perform tasks including locating destinations and sending them wirelessly to the sat nav.

OnStar is available as standard on Elite, Limited Edition and VXR trims and as a £395 option on other models. 

Second generation Navi 900 IntelliLink will also be available, utilising Apple CarPlay for fast access to many entertainment apps for music and news. Display and operation are via the eight-inch colour touchscreen.