Motorists with used Suzuki Grand Vitara vehicles may want to consider a new addition to the range when they come to trade in their current model.Customers can now buy a version of the car fitted with a 1.9 DDiS engine.The vehicle boasts CO2 emissions of 185 g/km - down from 191 g/km.Meanwhile, the model is capable of 40.4 mpg on the combined cycle.There are two trim levels av...