Mercury
Marquis
U.S. fuel economy and specifications from the EPA.

20Best combined MPG1984 model year
1984–1986Model years3 with EPA ratings
16Rated configurationsDrive, transmission and engine
2.3–5 LEngine sizeDisplacement
Best combined MPG by model year
The highest EPA rating among each year's configurations.
1984 20 MPG
1985 20 MPG
1986 20 MPG
2 configurations.
Rear-Wheel Drive · Automatic 3-spd
Regular gasoline · Midsize Cars
- Combined MPG
- 20
- Engine displacement
- 2.3 L
- Cylinders
- 4
Rear-Wheel Drive · Automatic 3-spd
Regular gasoline · Midsize Cars
- Combined MPG
- 18
- Engine displacement
- 3.8 L
- Cylinders
- 6
Rear-Wheel Drive · Automatic 3-spd
Regular gasoline · Midsize Cars
- Combined MPG
- 20
- Engine displacement
- 2.3 L
- Cylinders
- 4
Rear-Wheel Drive · Automatic 3-spd
Regular gasoline · Midsize Cars
- Combined MPG
- 18
- Engine displacement
- 3.8 L
- Cylinders
- 6
Rear-Wheel Drive · Automatic 3-spd
Regular gasoline · Midsize Cars
- Combined MPG
- 20
- Engine displacement
- 2.3 L
- Cylinders
- 4
Rear-Wheel Drive · Automatic 3-spd
Regular gasoline · Midsize Cars
- Combined MPG
- 18
- Engine displacement
- 3.8 L
- Cylinders
- 6
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Midsize Cars
- Combined MPG
- 17
- Engine displacement
- 5.0 L
- Cylinders
- 8
Drive not reported · Automatic 3-spd
Regular gasoline · Midsize Cars
- Combined MPG
- 20
- Engine displacement
- 2.3 L
- Cylinders
- 4
Drive not reported · Automatic 3-spd
Regular gasoline · Midsize Cars
- Combined MPG
- 17
- Engine displacement
- 3.8 L
- Cylinders
- 6
Drive not reported · Automatic 4-spd
Regular gasoline · Midsize Cars
- Combined MPG
- 19
- Engine displacement
- 3.8 L
- Cylinders
- 6
Drive not reported · Automatic 3-spd
Regular gasoline · Midsize Cars
- Combined MPG
- 18
- Engine displacement
- 3.8 L
- Cylinders
- 6
Drive not reported · Automatic 4-spd
Regular gasoline · Midsize Cars
- Combined MPG
- 17
- Engine displacement
- 5.0 L
- Cylinders
- 8
Drive not reported · Automatic 3-spd
Regular gasoline · Midsize Cars
- Combined MPG
- 19
- Engine displacement
- 2.3 L
- Cylinders
- 4
Drive not reported · Automatic 3-spd
Regular gasoline · Midsize Cars
- Combined MPG
- 18
- Engine displacement
- 3.8 L
- Cylinders
- 6
Drive not reported · Automatic 4-spd
Regular gasoline · Midsize Cars
- Combined MPG
- 19
- Engine displacement
- 3.8 L
- Cylinders
- 6
Drive not reported · Automatic 4-spd
Regular gasoline · Midsize Cars
- Combined MPG
- 16
- Engine displacement
- 5.0 L
- Cylinders
- 8