Land Rover Series II and IIA: the definitive working Land Rover (1958-1971) The Land Rover Series II and IIA gave the marque its enduring 2.25 engine and its familiar barrel-side shape, and the IIA is widely held to be the toughest Series of all. A guide to the 88 and 109 inch cars, the engines, the famous headlamp move to the wings, what to look for when buying, and what they are worth.