Vauxhall Insignia Grand Sport review - can it beat BMW, Audi and Mercedes?

See the latest Vauxhall Insignia Grand Sport discounts & finance deals from BuyaCar: http://bit.ly/2tSzWOA SUBSCRIBE for more great car videos: http://aex.ae/2gY9ABE Vauxhall Insignia Grand Sport full review: http://aex.ae/2nbWndX Is Vauxhall's Insignia Grand Sport up the the challenge set by the leaders of the compact executive car class from BMW, Audi and Mercedes? Straight after its Geneva Motor Show reveal, we took the Insignia Grand Sport on a road trip to Munich and Stuttgart in a bid to gauge its quality... More Auto Express videos Car reviews playlist: http://aex.ae/2gY4ViX Mercedes E63 AMG video review: http://aex.ae/2gY45Db Volvo V90 video review: http://aex.ae/2gY5pWj More on AutoExpress.co.uk Top 10 best executive cars: http://aex.ae/2eDiPbf Top 10 best performance cars: http://aex.ae/25P2yTm Jaguar XF review: http://aex.ae/1O8i8NU Follow us Twitter:   / autoexpress   Facebook:   / autoexpress   Instagram:   / autoexpressmagazine   Snapchat:   / auto.express