For The 6 Series' striking looks are teamed with a smooth, muscular V8 engine
Against The rear cabin is only big enough for kids, and running costs mount as the car gets older
Verdict
This stylish long-distance cruiser has the comfort and ability you'd expect
Go for… 630i
Avoid… M6
Had the 635D sport for a week now new from the…
Why would any sensible, sane person buy this…