1984 Oldsmobile Omega
US · Compact Cars
The 1984 Oldsmobile Omega is listed in the US market with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- Varies by configuration: 2.5L 4-cylinder (FFS), 2.5L 4-cylinder (FFS) CA model), 2.5L 4-cylinder (CAL)(FFS), 2.8L 6-cylinder (FFS), 2.8L 6-cylinder (FFS) CA model)
- Transmission
- Varies by configuration: Automatic, Manual
- Fuel
- Gasoline
- Economy
- 19 mpg (12.4 L/100 km) to 24 mpg (9.8 L/100 km) combined
Key Figures
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 2.5L 4-cylinder (FFS), 2.5L 4-cylinder (FFS) CA model), 2.5L 4-cylinder (CAL)(FFS), 2.8L 6-cylinder (FFS), 2.8L 6-cylinder (FFS) CA model) | |
| Displacement | 2.5 L to 2.8 L | |
| Cylinders | 4 to 6 | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Varies by configuration: Automatic, Manual | |
| Gears | 3 to 4 |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 19 mpg (12.4 L/100 km) to 24 mpg (9.8 L/100 km) | EPA fueleconomy.gov |
| City | 17 mpg (13.8 L/100 km) to 21 mpg (11.2 L/100 km) | |
| Highway | 23 mpg (10.2 L/100 km) to 30 mpg (7.8 L/100 km) |
Our sources do not publish these for this vehicle: Aspiration, Power, Torque, Drivetrain, Electric range, Battery capacity. We leave them out instead of estimating.
Trims and configurations
8 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 4 recall campaigns for this model year. Last checked November 10, 2026.
06E043000: FUEL SYSTEM, GASOLINE
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, 2005, THROUGH MARCH 21, 2006, SOLD FOR USE ON THE VEHICLES LISTED ABOVE AND ON CERTAIN SCHOOL BUSES. (TO SEE THE SCHOOL BUS ENGINE SIZES, CLICK ON "DOCUMENT SEARCH" AND THEN "BUS…
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 1).
Reported May 19, 2006. View on NHTSA
85V034000: FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
THE FUEL SYSTEM MAY LEAK AT THE THROTTLE BODY INJECTION FUEL FEED PIPE CONNECTION. CONSEQUENCE OF DEFECT: THIS LEAKAGE COULD RESULT IN AN UNDERHOOD FIRE WHICH COULD SPREAD TO THE PASSENGER COMPARTMENT AND CAUSE BURN INJURIES TO OCCUPANTS.
Remedy: REPLACE THE FUEL FEED PIPE.
Reported March 29, 1985. View on NHTSA
84V153000: SUSPENSION:REAR
THE REAR AXLE CONTROL ARM LOCATES AND HELPS CONTROL AXLE MOVEMENT; IT ATTACHES TO THE FRAME WITH A BRACKET. THE REAR CONTROL ARM BRACKET ATTACHING BOLTS USED ON SOME OF THE INVOLVED VEHICLES MAY FRACTURE. FRACTURE OF ALL FOUR BOLTS ON ONE SIDE OF THE VEHICLE CAN RESULT IN THE CONTROL ARM DROPPING ENOUGH TO CUT THE REAR BRAKE HOSE. A SEVERED BRAKE HOSE WOULD RESULT IN BRAKE FLUID LOSS AND PARTIAL…
Remedy: DEALERS WILL REPLACE ALL EIGHT CONTROL ARM BRACKET BOLTS FREE OF CHARGE.
Reported November 28, 1984. View on NHTSA
84V011000: SEATS:FRONT ASSEMBLY:RECLINER
SOME VEHICLES HAVE BUCKET SEAT BACK LOCKS THAT DO NOT CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD 207, ANCHORAGE OF SEATS. IN EVENT OF A CRASH, THE SEAT BACK LOCK MAY NOT FUNCTION.
Remedy: INSPECTION OF SEAT BACK LOCKS WILL BE PERFORMED. LOCKS THAT HAVE BENT, BROKEN OR MISSING HOOKS WILL BE REPLACED.
Reported February 6, 1984. View on NHTSA
Data sources
- EPA fueleconomy.gov · retrieved October 25, 2026 · US Government public data
- NHTSA vPIC · retrieved October 25, 2026 · US Government public data
Source checked: October 25, 2026
Data verified: October 25, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
Frequently asked questions
What engine does the 1984 Oldsmobile Omega have?
Varies by configuration: 2.5L 4-cylinder ((FFS)), 2.5L 4-cylinder ((FFS) CA model), 2.5L 4-cylinder ((CAL)(FFS)), 2.8L 6-cylinder ((FFS)), 2.8L 6-cylinder ((FFS) CA model). Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 1984 Oldsmobile Omega?
Combined fuel economy is 19 mpg (12.4 L/100 km) to 24 mpg (9.8 L/100 km), as published by the source shown in the specification table.
Are there recalls for the 1984 Oldsmobile Omega?
NHTSA lists 4 recall campaigns for this model year (last checked November 10, 2026). Details are in the Recalls section.