It’s almost silent, but when you do hear it rev, the noise is deep and ... you’re driving the 640i to experience its not-so-impressive side. The BMW 6-series GT range starts from £46,810.

Having covered the senses of smell and sound, sight is next and I don’t know where to begin ... Conversely, another button raises it 20 millimetres for travel over uneven surfaces. The 640i GT is the ...