XJS 3.6 to VIN...179736, XJS 4.0 from VIN...179737 to 226645 • XJ40 (XJ) 3.2, 3.6 and 4.0 from VIN...500001 to 708757 • X300 (XJ) 3.2 from VIN...720125 to 812255, X300 (XJ) 4.0 Supercharged from VIN...720125 to 787953
X300 (XJ) 4.0 except Supercharged from VIN...720125 to 812255 • X300 (XJ) 4.0 Supercharged from VIN...787954 to 812255 • XJS 4.0 with emission type 'A' from VIN...179737 to 226645
Series III with HE engine from engine no. 7P45001 (from September 1981 to 1992) • XJS 5.3 V12 V12 except models with emission 'A' from VIN...139052 to 188104 (1987-93) plus 6.0 V12 except models with emission 'A' from VIN...188105 to 226645 (1993-96) and XJR-S 6.0 V12 from VIN...165791 to 178707 (1989-90) • XJ40 (XJ) 6.0 V12 from VIN...673299 to 708757 (1992-94) • X300 (XJ) 6.0 V12 except models with emission 'A' from VIN...720125 to 812255 (1993-97)
Series III with HE engine from engine no. 7P45001 (from September 1981 to 1992) • XJS 5.3 V12 V12 except models with emission 'A' from VIN...139052 to 188104 (1987-93) plus 6.0 V12 except models with emission 'A' from VIN...188105 to 226645 (1993-96) and XJR-S 6.0 V12 from VIN...165791 to 178707 (1989-90) • XJ40 (XJ) 6.0 V12 from VIN...673299 to 708757 (1992-94) • X300 (XJ) 6.0 V12 except models with emission 'A' from VIN...720125 to 812255 (1993-97)