1990 · Midsize Car · Gas
1990 Mercury Cougar MPG & fuel economy
The 1990 Mercury Cougar is a midsize car offered in 3 EPA-rated configurations. The most efficient version returns 20 MPG combined (17 city / 24 highway) on regular gasoline. Across the lineup, combined ratings range from 18 to 20 MPG. Efficiency is unchanged from the 1989 model. Among 38 midsize cars rated for 1990, it ranks 19th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,325 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 1990 Mercury Cougar's fuel average is 8.5 km/L (11.8 L/100 km), or 20 MPG combined: 7.2 km/L in the city and 10.2 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 17 | 7.2 | 13.8 |
| Highway | 24 | 10.2 | 9.8 |
| Combined | 20 | 8.5 | 11.8 |
How it ranks among 1990 Midsize Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Cougar MPG across model years
Full history →3 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 3.8L 6-cyl · 4-speed automatic Cougar |
Gas | 17 MPG | 24 MPG | 20 MPG | — | $2,325 |
| RWD · 3.8L 6-cyl supercharged · 4-speed automatic Cougar |
Gas | 15 MPG | 21 MPG | 18 MPG | — | $3,292 |
| RWD · 3.8L 6-cyl supercharged · 5-speed manual Cougar |
Gas | 15 MPG | 22 MPG | 18 MPG | — | $3,292 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 3.8L 6-cyl
- Transmission
- 4-speed automatic
- Drivetrain
- RWD
- Passenger volume
- 102 cu ft
- Cargo volume
- 15 cu ft
- Tailpipe CO₂
- 444 g/mi
1990 Mercury Cougar vs. rivals
Compare the 1990 Cougar
With any other car from any year, including other Cougar model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 1990 Mercury Cougar?
Up to 20 MPG combined (17 city / 24 highway); ratings range from 18 to 20 MPG depending on configuration.
What fuel does the 1990 Mercury Cougar use?
Regular gasoline.
What is the fuel average in km/L for the 1990 Mercury Cougar?
The 1990 Mercury Cougar's fuel average is 8.5 km/L (11.8 L/100 km), or 20 MPG combined: 7.2 km/L in the city and 10.2 km/L on the highway.
How much does it cost to fuel the 1990 Mercury Cougar per year?
About $2,325 at 15,000 miles a year with $3.10/gal regular gas, or $15.50 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.