Our recommendations
Which used BMW 6 Series saloon should I buy?
Despite the smoothness of the petrol unit in the 640i, we’d still choose the 640d for its blend of performance and economy. SE trim gives you the same kit as M Sport but minus the sporty bodywork, so we’d stick with that, unless you happen to find a competitively priced M Sport on the forecourt.
Our favourite BMW 6 Series Gran Coupé 640d SE
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