1989 Mercury Cougar
US · Midsize Cars
The 1989 Mercury Cougar 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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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: 3.8L 6-cylinder (FFS), 3.8L 6-cylinder supercharged (FFS) (S-CHARGE)
- Transmission
- Varies by configuration: Automatic, Manual
- Drivetrain
- RWD
- Fuel
- Gasoline
- Economy
- 17 mpg (13.8 L/100 km) to 20 mpg (11.8 L/100 km) combined
Key Figures
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 3.8L 6-cylinder (FFS), 3.8L 6-cylinder supercharged (FFS) (S-CHARGE) | |
| Displacement | 3.8 L | |
| Cylinders | 6 | |
| Aspiration | Supercharged | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Varies by configuration: Automatic, Manual | |
| Gears | 4 to 5 | |
| Drivetrain | RWD | EPA fueleconomy.gov |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 17 mpg (13.8 L/100 km) to 20 mpg (11.8 L/100 km) | EPA fueleconomy.gov |
| City | 15 mpg (15.7 L/100 km) to 17 mpg (13.8 L/100 km) | |
| Highway | 21 mpg (11.2 L/100 km) to 25 mpg (9.4 L/100 km) |
Our sources do not publish these for this vehicle: Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.
Trims and configurations
3 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 7, 2026.
96V071000: ELECTRICAL SYSTEM:IGNITION
THE IGNITION SWITCH COULD EXPERIENCE AN INTERNAL SHORT CIRCUIT.
Remedy: DEALERS WILL REPLACE THE IGNITION SWITCH.
Reported April 25, 1996. View on NHTSA
89V080000: SUSPENSION:REAR:SPRINGS
IMPROPERLY HEAT TREATED REAR SUSPENSION KNUCKLES COULD EXPERIENCE HIGH MILEAGE FATIGUE CRACKS AND EVENTUAL FRACTURE.
Remedy: REPLACE KNUCKLES THAT HAVE THE AFFECTED LOT CODES.
Reported May 19, 1989. View on NHTSA
89V081000: SERVICE BRAKES, AIR:DISC:CALIPER
DUE TO CONTACT BETWEEN THE BRAKE CALIPER OF THE INBOARD FRONT WHEEL AND THE FRONT STABILIZER BAR, THERE MAY BE INCREASED BRAKE PEDAL TRAVEL FOLLOWING LOW SPEED TURNING MANEUVERS.
Remedy: INSTALL ACORN TYPE FRONT SUSPENSION STRUT NUTS TO ELIMINATE STABILIZER BAR TO BRAKE CALIPER CONTACT.
Reported May 19, 1989. View on NHTSA
88V165000: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:MOUNTING
PLASTIC ROLLOVER VALVE MOUNTING PLATE MAY NOT BE PROPERLY SEALED TO THE PLASTIC FUEL TANK.
Remedy: REPLACE FUEL TANK.
Reported October 18, 1988. View on NHTSA
Data sources
- EPA fueleconomy.gov · retrieved October 21, 2026 · US Government public data
- NHTSA vPIC · retrieved October 21, 2026 · US Government public data
Source checked: October 21, 2026
Data verified: October 22, 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.
Related vehicles
- 1988 Mercury Cougar
Gasoline
Varies by configuration: 3.8L 6-cylinder ((FFS)), 5.0L 8-cylinder ((FFS)) · RWD
21 mpg (11.2 L/100 km) to 18 mpg (13.1 L/100 km) - 1990 Mercury Cougar
Gasoline
Varies by configuration: 3.8L 6-cylinder supercharged ((FFS) (S-CHARGE)), 3.8L 6-cylinder ((FFS)) · RWD
20 mpg (11.8 L/100 km) to 18 mpg (13.1 L/100 km)
Frequently asked questions
What engine does the 1989 Mercury Cougar have?
Varies by configuration: 3.8L 6-cylinder ((FFS)), 3.8L 6-cylinder supercharged ((FFS) (S-CHARGE)). Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 1989 Mercury Cougar?
Combined fuel economy is 17 mpg (13.8 L/100 km) to 20 mpg (11.8 L/100 km), as published by the source shown in the specification table.
Is the 1989 Mercury Cougar front-wheel, rear-wheel or all-wheel drive?
Drivetrain: RWD.
Are there recalls for the 1989 Mercury Cougar?
NHTSA lists 4 recall campaigns for this model year (last checked November 7, 2026). Details are in the Recalls section.