This brings another 41 sites onto Autoline as the whole group upgrades to one platform over the next 24 months.
Mark Carpenter, finance director at Sytner, said: "Sytner has grown through acquisition in the past ten years to now include around 95 dealerships which generate £1.8 billion revenue. This rapid growth has led to a fragmented DMS network that is not integrated and is unable to provide the commonality of reporting required to run our decentralised business model.
"Sytner is also subject to stringent controls that are required of all US public companies. Standardised systems and controls are an inherent requirement of this US legislation."