There have been three generations of Range Rover. The original, now known as the Classic, went on sale in 1970 and continued in production, with numerous upgrades and a multiplicity of variants, for just over 25 years.
Read more, including History in Detail, Design, Technology, Adventure, Special Editions and Owners, at
http://www.landrover.com/gb/en/rr/about-land-rover/heritage/range-rover-40-anniversary/