Car Model History

Two-door rear-wheel-drive coupe · 2.5-liter Tech IV inline-four

1985 Pontiac Firebird Base Coupe Manual

GM's model-year vehicle information kit documents this standard 1985 Firebird coupe powertrain; higher trims and optional engines remain separate catalog choices where documented.

1985 Pontiac Firebird — exact-model-year car
Exact 1985 Firebird reference photograph; exact configuration not verified ·

Photo: “1985 Pontiac Firebird Trans Am H.O., built Sept. 29, 1984 - Automobile Driving Museum - El Segundo, CA - DSC01382.jpg” by Daderot / Wikimedia Commons — CC0 1.0. Cropped to 16:9.

Factory configuration

What this model is

Trim
Firebird base
Body style
Two-door rear-wheel-drive coupe
Engine
2.5-liter Tech IV inline-four
Transmission
4-speed manual

Configuration-specific ownership

Maintenance for this exact configuration

These items are filtered to the engine, transmission, trim, and model-year applicability recorded for this configuration. Broad Amazon category searches are suppressed here; shopping links appear only beside catalog-backed part numbers.

Service desk

What this car needs & when

Use this as a service-planning checklist for 1985 Pontiac Firebird Base Coupe Manual. Start with the interval, confirm which engine or configuration you have, then use an exact ordering reference when one is verified.

Service topics
1
Factory intervals
0
Fitment-scoped
1
Exact references
1

Before orderingIdentify your engine, options and build date.Part numbers and sizes can change within one model year. Shopping links appear only for catalog-backed references; still verify the listing against your vehicle before ordering.

  • Engine oil filter — catalog fitment

    Exact reference available

    Manufacturer-catalog fitment scoped to the exact engine row in the Firebird application table.

    Baldwin B43-S cataloged fitment

    This manufacturer application record establishes filter fitment only; it does not alter the separately sourced service schedule.

    Applies to: 1985 · 2.5-liter Tech IV inline-four · United States · Baldwin's exact 1985 Firebird 4-151 (2.5L), VIN 2 row assigns B43-S; confirm the engine code and installed filter before ordering.

    Source: Parker/Baldwin Filters — 2025 Automotive Applications catalog · Pre-1985 Applications, Pontiac Firebird table, Pontiac 1985 Firebird 4-151 (2.5L), VIN 2 row — Lube — B43-S · checked

    Verified ordering references

Sources

  1. General Motors Heritage Center — Pontiac Firebird vehicle information kits

Other 1985 configurations

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