Vauxhall InsigniaVauxhall’s impressive Insignia is now available with its most powerful diesel engine, a twin-turbo unit capable of delivering 198bhp and 295lb/ft.

Badged the Vauxhall Insignia BiTurbo, the model is available as either a five-door hatch or sports tourer: it’s also available with either four-wheel drive or front-drive only.

The twin-sequential turbocharged diesel engine is based on the existing 1956cc unit which also powers models in the Insignia, Astra and Zafira Tourer range.

The key benefits of the BiTurbo are that while the smaller turbo accelerates more quickly at lower revs to eliminate lag, the larger turbo kicks in at higher engine speeds.

And as you would expect, it’s no slouch. The five-door hatch, front-wheel drive version covers the 0-60mph sprint in 8.2secs.

Boasting a claimed 57.6mpg and CO2 emissions of 129g/km, that version also features standard start-stop technology. Across the BiTurbo Insignia range, Vauxhall’s FlexRide adaptive damping — normally a £790 option on front-wheel drive Insignias — is standard.

Available in SRi, SRi Vx-line and Elite trims, the Insignia BiTurbo is priced from £27,120 for the SRi 2.0CDTi S/S version. The entry-level 4×4 will set you back £29,725.

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