The Jeep Comanche does 19.5 mpg combined (17.6 city, 22.2 highway), which works out to about $1,969 a year in fuel at $3.20 a gallon and 12,000 miles. Engine choice matters more than you'd think: 2.1L 4-cyl does 25.5 mpg while 2.8L 6-cyl does 17 — a difference of $753 a year. Against other 4-cyl cars it sits below the average of 25.7 mpg.
Every Jeep Comanche engine, compared
Gas mileage on the Jeep Comanche ranges from 25.5 down to 17 depending on which engine sits under the bonnet — a spread of $753 a year across 4 versions of the same car. Picking the right one 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 |
|---|---|---|---|---|
| 2.1L 4-cyl | 24 / 28 | 1986–1987 | $1,506 | |
| 2.5L 4-cyl | 18.5 / 22.2 | 1988–1993 | $1,901 | |
| 4L 6-cyl | 15.4 / 20.9 | 1987–1993 | $2,182 | |
| 2.8L 6-cyl | 15 / 20 | 1986–1986 | $2,259 |
What that actually costs
The Jeep Comanche burns a gallon every 19.5 miles, so 12,000 miles takes about 615 gallons a year. At $3.20 that is what the table below adds up to.
| Measure | Value |
|---|---|
| Cost per mile | $0.164 |
| Fuel per year | $1,969 |
| Fuel over five years | $9,845 |
| Against other 4-cyl cars | +$475 a year |
| EPA's own estimate | $3,319 a year |
City or highway — who is this car for
The Jeep Comanche gives up 4.6 mpg the moment you leave the motorway — 22.2 out there against 17.6 in town, a 26% drop worth $452 a year. 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 | 17.6 mpg | $2,182 a year if you only drive in town |
| Highway | 22.2 mpg | $1,730 a year if you mostly commute |
| Gap | +4.6 mpg (26%) | Typical for its type |
How the Comanche changed over the years
The Comanche peaked in 1987 at 21.5 mpg (20 city, 24 highway) and was at its thirstiest in 1993 at 18 — 3.5 mpg apart, or $347 a year in fuel between buying one year and the other. The 1993 car does 18. 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 |
|---|---|---|---|---|
| 1993 | 16.5 / 20.5 | 2 | $2,133 | |
| 1992 | 17 / 21 | 2 | $2,021 | |
| 1991 | 16.5 / 20.5 | 2 | $2,133 | |
| 1990 | 17 / 22.5 | 2 | $1,969 | |
| 1989 | 17 / 22 | 2 | $2,021 | |
| 1988 | 17.5 / 22.5 | 2 | $1,969 | |
| 1987 | 20 / 24 | 2 | $1,786 | |
| 1986 | 19.5 / 24.5 | 2 | $1,786 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 16 EPA ratings of the Jeep Comanche — 4 engines across 1986–1993. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $3.20 a gallon, against EPA's own estimate of $3,319. Full method.
Frequently asked questions
What mpg does the Jeep Comanche get?
19.5 mpg combined on average — 17.6 in the city and 22.2 on the highway, per EPA ratings across 1986–1993.
How much does a Jeep Comanche cost in fuel per year?
About $1,969 at 12,000 miles and $3.20 a gallon — roughly $9,845 over five years, or 0.164 dollars a mile.
Which Comanche engine is the most economical?
The 2.1L 4-cyl at 25.5 mpg, against 17 for the 2.8L 6-cyl — a difference of about $753 a year.
Is the Comanche good on fuel compared with similar cars?
Against other 4-cyl cars it sits below the average of 25.7 mpg, computed across 4765 ratings.
Are these real-world Comanche figures?
No — they are EPA laboratory ratings, the same ones printed on the window sticker, and EPA's own annual fuel estimate for the Jeep Comanche is $3,319 against the $1,969 we compute at 12,000 miles. Expect a little worse in practice: the spread between the 26 and 17 mpg versions of this car is smaller than the spread between two drivers of the same one.
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