Series 2A - 1961 to 1968 - 2.25 4 Cylinder Petrol (Newer Series 3 Style Suffix D on). Series 2 - 1958 to 1961 - 2.25 4 Cylinder Petrol (Newer Series 3 Style Suffix D on). Series 3 - 1971 to 1984 - 2.25 4 Cylinder Petrol (Newer Series 3 Style Suffix D on).