CITROEN has sprung another rabbit out of the hat. The new Numero 9 concept makes the BMW 5 Series and Merc E-Class look depressingly grey. Amazingly good looking, there’s a plug-in hybrid with all-wheel drive-train, electric motor and a 1.6 diesel or petrol engine. It hits 60 in less than 5.3 seconds and returns over 160mpg. Emissions are a gladioli-growing 39g/km.