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, and what to look for when buying one.