[MJN]

There are many differences and also cross over cars where not all the upgrades were in place between models. But if you are just looking to be able to tell the differences for identifying a MkI versus, Mk II or MkIII here's an easy way. Look in the foot boxes, a MkI will not have any visible tubes in the foot box. A MkII and MkIII will have a 1 1/2" dia loop in the floor of the foot box and a 45 degree brace on the outside. To identify a MkIII look directly under the door, a MkIII will have an X brace directly under the door, MkII's and MkI's do not have this bracing. There are many other differences but this will allow to you to identify the different models quickly if you are looking at different FFR's.