text: Applications: 1984–1989 Nissan 300ZX Turbo (Z31)
  1984–1986 Nissan Leopard F30
  1984–1991 Nissan Cedric/Nissan Gloria
  1985–1990 Nissan GTP ZX-Turbo (non-production)
  1986 Nissan R86V Racecar (non-production)
  VG30DE
  The first DOHC 24 valve VG30DE engine was developed for the 1985 MID4 concept. The  VG30DE produces  and . Bore and stroke is . Original Japanese market units claimed . There are two versions of the VG30DE. The first was introduced in 1986 on the Japanese 300ZR (Z31) and Nissan Leopard F31, and were never sold in North America. The VG30DE has two throttle bodies facing the front of the vehicle (Nissan 300ZX and Fairlady Z) or two throttle bodies to the left (sedans and 300ZR). It was also installed with N-VTC, an early form of variable valve timing.
  Early VG30DEs used large oval intake ports, and round exhaust ports, though the flange was similar to the SOHC VG engine, bolt spacing was slightly different. Late VG30DE's used slightly smaller oval intake ports, and oval exhaust ports. The bolt spacing was shared with the round-port variant from earlier years.
  Applications:
  VG30DET
  The VG30DET is a , 24-valve, DOHC, VTC-equipped engine equipped with a T3 (Nissan N1 Type) 4-bolt Garrett Turbo running between . Generating up to  and measuring  depending on the production year and application.