1986 Nissan 300ZX

The federal record for the 300 ZX generation shows a clear downward trend in complaints after the early 1990s, falling from 20 complaints in 1990 to just 2 by 1996, while recalls remained at zero throughout and investigations were rare (only one in 1991). Service bulletins (TSBs) stayed relatively high, hovering between 22 and 31 per year, indicating ongoing technical guidance despite the low recall count. For the 1986 model, the most frequent complaint areas were Fuel System (34 reports), Vehicle Speed Control (9), Engine & Cooling (7) and Electrical System (4), with 5 crash‑related and 35 fire‑related complaints—figures that are higher than any single year’s complaint totals in the later record. This suggests that the early‑era 300 ZX suffered more systemic issues than the later, steadier years, even though the federal agencies never issued a recall. Consequently, 1986 is a less favorable year to purchase compared with post‑1990 models, which exhibit markedly fewer complaints and no recall history.