The Jeep CJ-8 Scrambler does 19.3 mpg combined (17.5 city, 21.3 highway), which works out to about $1,990 a year in fuel at $3.20 a gallon and 12,000 miles. Engine choice matters more than you'd think: 2.5L 4-cyl does 21.5 mpg while 2.8L 6-cyl does 17 — a difference of $473 a year. Against other 4-cyl cars it sits below the average of 25.4 mpg.
Every Jeep CJ-8 Scrambler engine, compared
Picking the right version of the same car often saves more fuel than picking a different car altogether. Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 2.5L 4-cyl | 19.5 / 24 | 1984–1985 | $1,786 | |
| 2.8L 6-cyl | 15.5 / 18.5 | 1984–1985 | $2,259 |
What that actually costs
Miles per gallon is an abstraction; the fuel bill is not. Here it is in money, at 12,000 miles a year and $3.20 a gallon.
| Measure | Value |
|---|---|
| Cost per mile | $0.166 |
| Fuel per year | $1,990 |
| Fuel over five years | $9,950 |
| Against other 4-cyl cars | +$478 a year |
| EPA's own estimate | $3,275 a year |
City or highway — who is this car for
The gap between city and highway figures tells you whom the car suits. A wide gap punishes stop-and-start traffic; a narrow one means the car doesn't care where you drive it.
| Measure | Value | Reading |
|---|---|---|
| City | 17.5 mpg | $2,194 a year if you only drive in town |
| Highway | 21.3 mpg | $1,803 a year if you mostly commute |
| Gap | +3.8 mpg (22%) | Typical for its type |
How the CJ-8 Scrambler changed over the years
Combined figure by model year. Jumps usually mark a new generation or a new engine; dips often mean a heavier body or added all-wheel drive.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 1985 | 18 / 20.5 | 2 | $1,969 | |
| 1984 | 17 / 22 | 2 | $2,021 |
MPG is a number. Dollars per year is the answer.
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How we count
Fuel-economy figures come from EPA fueleconomy.gov — the same laboratory numbers printed on the window sticker. We don't adjust them; real-world consumption depends on how and where you drive.
What we add is money. Yearly cost assumes 12,000 miles at $3.20 a gallon — change either and the ranking stays, only the size of the bill moves. Cost per mile is the same figure divided out, useful when comparing a commute against a weekend car.
Frequently asked questions
What mpg does the Jeep CJ-8 Scrambler get?
19.3 mpg combined on average — 17.5 in the city and 21.3 on the highway, per EPA ratings across 1984–1985.
How much does a Jeep CJ-8 Scrambler cost in fuel per year?
About $1,990 at 12,000 miles and $3.20 a gallon — roughly $9,950 over five years, or 0.166 dollars a mile.
Which CJ-8 Scrambler engine is the most economical?
The 2.5L 4-cyl at 21.5 mpg, against 17 for the 2.8L 6-cyl — a difference of about $473 a year.
Is the CJ-8 Scrambler good on fuel compared with similar cars?
Against other 4-cyl cars it sits below the average of 25.4 mpg, computed across 6877 ratings.
Are these real-world figures?
No — they are EPA laboratory ratings, the same ones on the window sticker. Real consumption depends on driving style, terrain, load and weather, and is typically a little worse.