PontiacFirebird1985Overview/pontiac/firebird/1985/base/

1985 Pontiac Firebird

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

The 1985 Pontiac Firebird, an example of the model’s third-generation design, is powered by an engine that takes 3 quarts of 10W-30 or 5W-30 oil. Its reliability record includes 21 owner complaints and 6 recalls, with seat belts emerging as the top concern. In the broader complaint history covering 1990 to 2002, this model year’s total sits between the low of 10 in 1990 and the high of 95 in 1995, indicating a relatively early and less problematic phase in the Firebird’s trajectory.

Model year200220012000199919981997199619951985

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.

From the factory this vehicle uses OE oil filter 12731175. Note the factory fuel filter is now discontinued — plan on a superseded or quality aftermarket equivalent, which the part pages below list where known. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

OE service part numbers OEM · verified

Engine oil filter12731175 alt 12708762
Engine air filter25043504 alt 06483645
Fuel filter5651803 discontinued · alt 25171792
Spark plug19354415 alt 19300874
Front wiper blades15184702
Serpentine belt09433734 alt 10223910
Thermostat03050922 alt 03043066

Full specifications

Engine, drivetrain, dimensions and economy.

Dimensions & weight NHTSA vPIC

Overall length190.2 in
Overall width72.4 in
Overall height50 in
Wheelbase101.2 in
Curb weight2864 lb
Weight distribution (front / rear)54/46

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

Independent road tests for the Firebird of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

4.6–10.6 sec0–60 mph (tested)quickest 4.60 sec — 1989 20th Anniversary Trans Am 3-door Coupe
YearTrim / engine0–60¼ mileHPDrivetrain
1983Trans Am Coupe 5.0L V88.50 sec16.44 sec165 hpRWD
1987Formula Coupe 5.0L V86.30 sec14.90 sec190 hpRWD
1987Formula Coupe 5.0L V87.40 sec15.30 sec190 hpRWD
1982Trans Am Coupe 5.0L V810.60 sec17.50 sec165 hpRWD
198920th Anniversary Trans Am 3-door Coupe 3.8L Turbo V64.60 sec13.40 sec250 hpRWD
1989Trans Am GTA Coupe 5.7L V87.63 sec16.08 sec225 hpRWD
1980Turbo Trans Am Coupe 4.9L Turbo V88.20 sec16.70 sec210 hpRWD
1979Trans Am Coupe 6.6L V86.70 sec15.30 sec220 hpRWD

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, 80W-90 · GL-5 in the differential, DOT 3 brake fluid.

Lubricants & capacities

Brake FluidDOT 3
Differential Gear Oil80W-90 · GL-5
Differential Gear Oil Capacity3.5 qt
Engine CoolantETHYLENE GLYCOL
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.

At 7,500 miCarburetor Mounting Fasteners (inspect) · Choke System (inspect) · Drive Axle Assembly (drain & refill) · Engine Oil Filter (replace) · Throttle Body (torque)
Every 7,500 miAccessory Drive Belt (inspect) · Body Latches, Locks & Hinges (inspect) · Brake System (inspect) · Differential (inspect fluid level) · Engine Oil (drain & refill) · Exhaust System (Complete) (inspect)
Every 15,000 miEngine Oil Filter (replace)
Every 30,000 miChoke System (inspect) · Distributor Cap (inspect) · Distributor Vacuum Advance (inspect) · EGR System (inspect) · Engine Air Filter Element (replace) · Engine Breather Filter (replace)
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 federal record provided covers 1990–2002, meaning the 1985 model year itself is absent from this dataset. However, the data reveals a clear upward trend in complaints across this later period—rising from 10 complaints in 1990 to a peak of 95 in 1995—while recalls remained relatively steady at 2–5 per year and investigations peaked at 4 in 1991 before tapering. The 1985 Firebird, as a pre-transmission model, would precede this documented trajectory, suggesting it predates the period of escalating quality concerns but also predates any service bulletins that later addressed known issues. For the target year specifically, the top complaint areas are seat belts (12 complaints), followed by combined parking brake/seat belt issues, service brake hydraulic problems, and electrical system failures, with 3 crash-related complaints and 3 fire-related complaints recorded. The absence of the 1985 year from this federal record limits direct comparison, but the later data indicates that owners in the 1990s faced mounting mechanical and safety-related concerns. **This gap in data for 1985 itself makes a definitive assessment difficult; the buyer should verify independently whether the specific vehicle has had seat belt, brake, and electrical systems thoroughly inspected, as these complaint categories persisted into the documented generation.**

6
Open recalls
NHTSA campaigns
0
Service bulletins
Manufacturer communications
9
ODI investigations
Office of Defects Investigation
21
Owner complaints
3 involved a crash · 3 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 21 complaints on record, top 7 components.

Seat Belts12
Parking Brake,Seat Belts2
Service Brakes, Hydraulic2
Electrical System2
Parking Brake1
Fuel System, Gasoline1
Structure1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 6 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…

07E088000EquipmentReported 24/10/2007

CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. THE AFFECTED FILTERS… Remedy: HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING NOVEMBER 2007. OWNERS CAN CONTACT FRAM CUSTOMER SERVICE TOLL-FREE AT 1-800-890-2075.

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 Firebird. 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 Firebird 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 Firebird have open recalls?

NHTSA lists 6 recall campaign(s) for this model year. Check your specific vehicle by VIN.