Third generation · Fox-body · 1979–1993
1981Ford Mustang
The long-running Fox-body, built on Ford’s Fox platform from 1979 to 1993.
Photo: “1981 Ford Mustang Cobra Hatchback (14203296488).jpg” by Sicnag / Wikimedia Commons, licensed under CC BY 2.0. Cropped to 16:9.
Quick facts
- Engines
- 3offered2.3 I4 → 255 (4.2) V8 (2-bbl)
- Top output
- 115hp255 (4.2) V8 (2-bbl)
- Production
- 182,552units
Body stylesCoupe (notchback) · Hatchback (3-door)
Start here
What do you need to know?
This page covers the whole 1981 Ford Mustang model year. Choose your task first; exact trims and engines are separated where the factory offered different versions.
Documented lineup
Find your exact 1981 Mustang
Start with a family, body style, or engine. Every card opens the facts and maintenance information for that factory version.
Exact factory pairings documentedHow this lineup was verified
These source-backed records identify published body, engine, and transmission combinations. Exact pairings do not by themselves assert that every factory option or special edition is represented.
No factory configuration matches those filters.
The 1981 model year
Overview
The bottom of the performance trough. The carbureted 2.3 Turbo was dropped for the US (offered in Canada only), leaving the 255 (4.2) V8 as the top engine and a new 3.3 inline-six replacing the V6. This was the last year for the Ghia and Cobra trims. (Horsepower figures are SAE net.)
Specifications
- Engines
- 2.3 I488 hp
- 3.3 I694 hp
- 255 (4.2) V8 (2-bbl)115 hp
- Transmissions
- 4-speed manual, 5-speed manual, 3-speed automatic
- Body styles
- Coupe (notchback), Hatchback (3-door)
- Production
- 182,552
Year over year
What changed
- The US-market 2.3 Turbo was discontinued (a turbo remained available in Canada).
- A 3.3 inline-six replaced the 2.8 V6.
- A 5-speed manual became available.
- Final year for the Ghia and Cobra trim lines.
Worth knowing
Notable
- The performance nadir of the generation — the rebound starts in 1982.
- Last of the Ghia and (first-era) Cobra Mustangs.
Living with it
Reliability & ownership notes
- Engines this year are durable but undistinguished; the 255 V8 is the weak performer.
- Standard Fox-body rust inspection applies.
Maintenance & service parts
Keep your 1981 Mustang on the road
Start with the service interval, then match the engine or exact version you own. Order links appear only when a catalog-backed part number is available, and every listing still needs a fitment check.
Service desk
What this car needs & when
Use this as a service-planning checklist for 1981 Ford Mustang. Start with the interval, confirm which engine or configuration you have, then use an exact ordering reference when one is verified.
- Service topics
- 7
- Factory intervals
- 6
- Fitment-scoped
- 7
- 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 and filter
Sourced interval available
Source: MustangSpecs — 1981 Mustang maintenance-table transcription · Maintenance Schedule table, 7,500–60,000-mile columns · checked
Engine oil filter
Exact reference available
Manufacturer application-catalog fitment only; this does not establish an oil-change interval.
2.3-liter inline-four
Baldwin B2
Source: Baldwin Filters — Automotive Applications catalog (2017) · Pre-1980 Applications section — Ford 1981, Mustang 2.3-liter inline-four row · checked
Verified ordering references
- Service replacementBaldwin B2
Qty. 1 · Engine oil filter · catalog-listed
Baldwin's manufacturer application table lists this filter for the stated model year and engine. Confirm the VIN and installed engine before ordering.
Catalog: Baldwin Filters — Automotive Applications catalog (2017) · Pre-1980 Applications section — Ford 1981, Mustang 2.3-liter inline-four row · checked
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Spark plugs
Sourced interval available
Source: MustangSpecs — 1981 Mustang maintenance-table transcription · Maintenance Schedule table, 7,500–60,000-mile columns · checked
PCV valve
Sourced interval available
Source: MustangSpecs — 1981 Mustang maintenance-table transcription · Maintenance Schedule table, 7,500–60,000-mile columns · checked
Crankcase emission filter
Source: MustangSpecs — 1981 Mustang maintenance-table transcription · Maintenance Schedule table, 7,500–60,000-mile columns · checked
Engine coolant
Sourced interval available
The recovered transcription's time wording is ambiguous, so only its unambiguous 30,000-mile table mark is encoded.
Source: MustangSpecs — 1981 Mustang maintenance-table transcription · Maintenance Schedule table, 7,500–60,000-mile columns · checked
Engine air-cleaner filter
Sourced interval available
Source: MustangSpecs — 1981 Mustang maintenance-table transcription · Maintenance Schedule table, 7,500–60,000-mile columns · checked
Accessory drive belts — inspect
Sourced interval available
Source: MustangSpecs — 1981 Mustang maintenance-table transcription · Maintenance Schedule table, 7,500–60,000-mile columns · checked
Collect
Bring this model year home
Find a scale model using the exact year, make, and model—not a generic generation search.
Sources
- Wikipedia — "Ford Mustang (third generation)"
- MustangSpecs — per-year base MSRP
- LMR (Late Model Restoration)
Other Third generation years
Explore the Fox-body generation →All Third generation · Fox-body years →