Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1984 300ZX.
The 1984 Nissan 300ZX is equipped with an Automatic 4-spd transmission and achieves EPA fuel economy ratings of 15/20/17 mpg. Engine oil capacity is 3.9 qt with compatible viscosities including 20W-40, 20W-50, or 5W-30, while reliability data records 83 total owner complaints and 5 recalls with the Fuel System, Gasoline as the top complaint area. Although the available model complaint history covers the 1990-1996 range, the 1984 model year sits outside this specific timeline, defined instead by its own aggregate of owner complaints and recalls.
Fluid capacities, tune-up values and fuel economy at a glance.
Engine, drivetrain, dimensions and economy.
| Transmission | Automatic 4-spd |
| EPA city / highway / combined | 15 / 20 / 17 mpg |
| Recommended fuel | Regular Gasoline |
0–60 mph, quarter-mile, horsepower and torque from independent road tests.
Independent road tests for the 300ZX of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.
| Year | Trim / engine | 0–60 | ¼ mile | HP | Drivetrain |
|---|---|---|---|---|---|
| 1984 | Turbo Coupe 3.0L Turbo V6 | 7.30 sec | 15.40 sec | 200 hp | RWD |
| 1984 | Turbo Coupe 3.0L Turbo V6 | 8.40 sec | 15.50 sec | 200 hp | RWD |
| 1985 | 2+2 Coupe 3.0L V6 | 9.20 sec | 16.80 sec | 160 hp | RWD |
| 1986 | Turbo Coupe 3.0L Turbo V6 | 6.80 sec | 15.20 sec | 200 hp | RWD |
| 1986 | Turbo Coupe 3.0L Turbo V6 | 8.90 sec | 16.20 sec | 200 hp | RWD |
| 1989 | Turbo Coupe 3.0L Turbo V6 | 7.43 sec | 15.57 sec | 222 hp | RWD |
Capacities, torques and tune-up values from the factory service manual.
This engine holds 3.9 qt of 20W-40 / 20W-50 / 5W-30 engine oil, GL-5 · 80W-90 in the differential, DOT 3 brake fluid.
| Brake Fluid | DOT 3 |
| Differential Gear Oil | GL-5 · 80W-90 |
| Differential Gear Oil Capacity | 2.8 Pints |
| Engine Oil | 20W-40 · 20W-50 · 5W-30 · 10W-30 · 10W-40 |
| Engine Oil Capacity | 3.9 qt |
| Power Steering Fluid | ATF |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
The 1984 Nissan 300ZX sits at the very start of its generation, and the federal data—while only available from 1990 onward—reveals a clear trend: complaints peak early (20 in 1990) before steadily declining to single digits by the mid-1990s, suggesting that age-related wear, rather than design flaws, drove later issues. Notably, 1984’s complaint profile is dominated by **fuel system (37) and engine cooling (13) issues**, with **24 fire-related complaints**, a pattern absent in later years where recalls and investigations are nonexistent. The lack of recalls or investigations for the 300ZX across the entire dataset implies that Nissan addressed systemic issues through TSBs (peaking at 31 in 1992) rather than formal campaigns. This places the 1984 model in a precarious position: it predates the TSB-heavy mid-cycle corrections, and its high fire and fuel-system complaints may reflect early-build teething problems or deferred maintenance. **Takeaway:** While the 1984 300ZX’s rarity and first-year status may appeal to collectors, its elevated fire risk and fuel-system complaints—compounded by the absence of later TSB support—make it a **higher-risk purchase** unless meticulously documented and restored.
All 83 complaints on record, top 8 components.
Source: NHTSA Office of Defects Investigation complaint database.
Showing 2 of 5 campaigns on record for this vehicle.
THE HOOD LATCH MAY FAIL TO HOLD THE HOOD IN POSITION DUE TO A MISALIGNMENT OF THE SECONDARY HOOD LATCH. THIS CONDITION IS DUE TO A DEFORMATION OF THE HOOD DURING MANUFACTURE. Remedy: DEALERS WILL INSTALL A NEW SECONDARY LATCH AT NO CHARGE.
THIS IS NOT A SAFETY RECALL CAMPAIGN IN ACCORDANCE WITH FEDERAL REGULATION 573. HOWEVER, IT IS DEEMED A SAFETY IMPROVEMENT CAMPAIGN BY THE AGENCY. THE CAMPAIGN WILL REPLACE THE FUEL INJECTORS AND RELATED HOSES OF… Remedy: NISSAN DEALERS WILL REPLACE THE FUEL INJECTORS AND RELATED HOSES ON THE AFFECTED VEHICLES.
Showing 3 of 3 bulletins on record with NHTSA.
| Bulletin | Date | Component | Summary |
|---|---|---|---|
| NTB-09-101 | 2010-09-30 | Tires | NISSAN: TIRE PRESSURE MONITORING SYSTEM (TPMS) WARNING LIGHT ON/FLASHING. NO MODELS OR… |
| NTB-09-129 | 2010-09-13 | Equipment | NISSAN: VENT CONTROL VALVE REPLACEMENT. WHEN REPLACING THE EVAP CANISTER VENT CONTROL… |
| NTB-09-030 | 2009-04-06 | Electrical System | NISSAN: THE 12 VOLT BATTERY IS AN IMPORTANT PART OF THE VEHICLE ELECTRICAL SYSTEM AND IS… |
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
Decode factory build data for a specific vehicle by VIN.
Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.
Cross-vehicle references for the kinds of data on this page.
3.9 qt of ABOVE 50 degrees F: 20W-40 OR 20W-50, BELOW 60 degrees F: 5W-30 OR 10W-30, ABOVE 0 degrees F: 10W-30 OR 10W-40, per the factory manual.
NHTSA lists 5 recall campaign(s) for this model year. Check your specific vehicle by VIN.
EPA figures are 15 city / 20 highway / 17 combined mpg.