1984 Jeep CJ Specs, MPG & Trims
EPA fuel-economy data and specifications for the 1984 Jeep CJ (16–21 MPG combined) across 10 listed configurations.
Overview
- Body class
- Special Purpose Vehicle 4WD
- Drive
- 4-Wheel or All-Wheel Drive
- Transmissions
- Automatic 3-spd, Manual 4-spd, Manual 5-spd
- Engine
- 4-cyl, 2.5 L; 6-cyl, 4.2 L
- Fuel type
- Regular Gasoline
- Combined MPG
- 16–21 MPG
- Annual fuel cost
- $3,200–$4,200
- 5-year fuel cost
- −$9,000 to −$4,000 more than average
- Configurations
- 10
MPG & fuel economy
City, highway and combined values below are EPA estimates. Where a powertrain has several configurations, the table shows the lowest–highest reported value. Electric configurations use MPGe.
| Powertrain | City | Highway | Combined | Annual fuel cost | CO2 |
|---|---|---|---|---|---|
| 4-cyl 2.5 L · Regular Gasoline · 4-Wheel or All-Wheel Drive | 18–19 | 22–24 | 20–21 | $3,200–$3,350 | — |
| 6-cyl 4.2 L · Regular Gasoline · 4-Wheel or All-Wheel Drive | 15–16 | 17–20 | 16–18 | $3,700–$4,200 | — |
Configurations & engine comparison
Each row is one configuration/engine combination reported by the EPA for this model year. Missing EPA values are shown as —.
| Configuration / engine | Drive | Transmission | Cyl. | Displ. (L) | Fuel type | City | Hwy | Comb. | Annual cost | 5-YR COST | FE | GHG |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CJ7 4WD | 4-Wheel or All-Wheel Drive | Automatic 3-spd | 6 | 4.2 | Regular Gasoline | 15 | 17 | 16 | $4,200 | −$9,000 | — | — |
| CJ7 4WD | 4-Wheel or All-Wheel Drive | Manual 4-spd | 4 | 2.5 | Regular Gasoline | 19 | 24 | 21 | $3,200 | −$4,000 | — | — |
| CJ7 4WD | 4-Wheel or All-Wheel Drive | Manual 4-spd | 4 | 2.5 | Regular Gasoline | 18 | 23 | 20 | $3,350 | −$4,750 | — | — |
| CJ7 4WD | 4-Wheel or All-Wheel Drive | Manual 4-spd | 6 | 4.2 | Regular Gasoline | 16 | 18 | 17 | $3,950 | −$7,750 | — | — |
| CJ7 4WD | 4-Wheel or All-Wheel Drive | Manual 4-spd | 4 | 2.5 | Regular Gasoline | 18 | 22 | 20 | $3,350 | −$4,750 | — | — |
| CJ7 4WD | 4-Wheel or All-Wheel Drive | Manual 4-spd | 6 | 4.2 | Regular Gasoline | 15 | 18 | 16 | $4,200 | −$9,000 | — | — |
| CJ7 4WD | 4-Wheel or All-Wheel Drive | Manual 5-spd | 4 | 2.5 | Regular Gasoline | 19 | 23 | 21 | $3,200 | −$4,000 | — | — |
| CJ7 4WD | 4-Wheel or All-Wheel Drive | Manual 5-spd | 6 | 4.2 | Regular Gasoline | 16 | 20 | 17 | $3,950 | −$7,750 | — | — |
| CJ7 4WD | 4-Wheel or All-Wheel Drive | Manual 5-spd | 6 | 4.2 | Regular Gasoline | 16 | 19 | 17 | $3,950 | −$7,750 | — | — |
| CJ8 4WD | 4-Wheel or All-Wheel Drive | Automatic 3-spd | 6 | 4.2 | Regular Gasoline | 16 | 20 | 18 | $3,700 | −$6,500 | — | — |
Frequently asked questions
What is the combined MPG of the 1984 Jeep CJ?
According to EPA data, the 1984 Jeep CJ is rated at 16–21 MPG combined for its conventional-fuel configurations.
How many cylinders does the 1984 Jeep CJ have?
The EPA data lists 4 and 6 cylinders across its configurations.
What fuel type does the 1984 Jeep CJ use?
It uses Regular Gasoline.
What is the annual fuel cost of the 1984 Jeep CJ?
The EPA estimates annual fuel costs ranging from $3,200 to $4,200.
How much will the 1984 Jeep CJ cost in fuel over 5 years?
According to EPA estimates, the 1984 Jeep CJ 5-year fuel-cost difference is −$9,000 to −$4,000 relative to the average new vehicle (negative values mean the vehicle costs more than average).