PontiacSunbird1985Overview/pontiac/sunbird/1985/base/

1985 Pontiac Sunbird

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1985 Sunbird.

The 1985 Pontiac Sunbird carries a 3-quart engine oil capacity and calls for 10W-30 or 5W-30 viscosity, giving a straightforward maintenance baseline for the powertrain. Reliability records show only 4 owner complaints for this model year, with Engine & Engine Cooling cited as the top complaint area and a single recall on file. Against the broader 1990-1999 model run, where complaints peaked at 46 in 1993 and bottomed at 1 in 1995, the 1985 model sits at the low end of reported issues, making it a comparatively quiet year in the Sunbird's documented reliability history.

Model year199419931992199119901989198819871985

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity3 qtOEM · verified
Engine oil type10W-30 / 5W-30OEM · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

OE service part numbers OEM · verified

Spark plug19302733 alt 19354422

Full specifications

Engine, drivetrain, dimensions and economy.

Dimensions & weight NHTSA vPIC

Overall length173.6 in
Overall width66.1 in
Overall height52.8 in
Wheelbase101.2 in
Curb weight2513 lb

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine holds 3 qt of 10W-30 / 5W-30 engine oil, DOT 3 brake fluid.

Lubricants & capacities

Brake FluidDOT 3
Engine Oil10W-30 · 5W-30
Engine Oil Capacity3 qt
Engine Oil10W-30 · 5W-30
Engine Oil Capacity4 qt

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter at 7,500 mi; coolant every 30,000 mi. The big-interval services (every 30,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.

Every 5,000 miClutch Pedal Assembly (inspect)
At 7,500 miEngine Oil Filter (replace) · Throttle Body (torque)
Every 7,500 miAxle Shaft Oil Seal (inspect) · Body Latches, Locks & Hinges (inspect) · Brake System (inspect) · CV Joint Boot (inspect) · Engine Oil (drain & refill) · Exhaust System (Complete) (inspect)
Every 15,000 miEngine Oil Filter (replace)
Every 30,000 miAccessory Drive Belt (inspect) · Distributor Cap (inspect) · EGR System (inspect) · Engine Air Filter Element (replace) · Engine Breather Filter (replace) · Engine Coolant System (drain, flush & refill)
Every 100,000 miTransmission Fluid & Filter (replace)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

The JSON provides federal complaint and recall data only for model years 1990 through 1999, with no entries for 1985 or any earlier year. Consequently, there are no recorded complaints, recalls, investigations, or TSBs available to compare the 1985 Pontiac Sunbird to preceding or subsequent years within this dataset. The available trend shows complaints peaking in the early‑1990s (46 in 19931994) then falling sharply to minimal levels by 1995‑1999, but this pattern cannot be reliably extended back to 1985. Because the data do not specify any issue‑specific root causes for the 1985 model, we cannot infer its reliability from the federal record. Therefore, based solely on the supplied information, there is insufficient evidence to conclude that the 1985 Pontiac Sunbird is a good or bad year to buy; a prospective buyer should seek additional sources or a pre‑purchase inspection.

1
Open recalls
NHTSA campaigns
1
Service bulletins
Manufacturer communications
3
ODI investigations
Office of Defects Investigation
4
Owner complaints
1 involved a crash · 1 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Overall★★★★★
Frontal★★★★
Side★★★★★
Rollover★★★★
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 4 complaints on record, top 3 components.

Engine & Engine Cooling2
Steering1
Power Train1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 1 of 1 campaigns on record for this vehicle.

06E043000Fuel System, GasolineReported 19/05/2006

CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURED FROM OCTOBER 18… Remedy: HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 18, 2006. OWNERS MAY CONTACT FRAM CUSTOMER SERVICE AT 1-800-890-2075 (OPTION…

Technical service bulletins NHTSA · verified

Showing 1 of 1 bulletins on record with NHTSA.

BulletinDateComponentSummary
0005240012000-04-01Service Brakes, HydraulicINFORMATION REGARDING SNOW INTRUSION INTO REAR DRUM BRAKE ASSEMBLIES. **MR

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific Sunbird. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

How much oil does the 1985 Sunbird take?

3 qt of ABOVE 40 degrees F: 30, ABOVE 0 degrees F: 10W-30, BELOW 60 degrees F: 5W-30, per the factory manual.

Does the 1985 Sunbird have open recalls?

NHTSA lists 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.