Above - this is what the XM replacement may look like.

A new V6 3.0 litre 24 valve engine and an intelligent Auto-adaptive gearbox head up a string of improvements to the XM V6 Exclusive, Citroën's executive flagship. Power is boosted to 194 bhp and with a top speed of 143 mph/228 kph and a 0 - 60 mph/98 kph time of 8.6 seconds, the new model is a class leader. Other improvements include side airbags in addition to twin front airbags, seat belt pre-tensioners and side impact protection making the XM V6 Exclusive one of the safest cars in its class.