The Dodge OMNI does 27.3 mpg combined (23.9 city, 33 highway), which works out to about $1,407 a year in fuel at $3.20 a gallon and 12,000 miles. Engine choice matters more than you'd think: 1.6L 4-cyl does 30 mpg while 2.2L 4-cyl does 25.3 — a difference of $238 a year. Against other 4-cyl cars it sits above the average of 25.7 mpg.
Every Dodge OMNI engine, compared
Gas mileage on the Dodge OMNI ranges from 30 down to 25.3 depending on which engine sits under the bonnet — a spread of $238 a year across 2 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 |
|---|---|---|---|---|
| 1.6L 4-cyl | 26 / 35.3 | 1984–1986 | $1,280 | |
| 2.2L 4-cyl | 22.3 / 31.3 | 1987–1990 | $1,518 |
What that actually costs
The Dodge OMNI burns a gallon every 27.3 miles, so 12,000 miles takes about 440 gallons a year. At $3.20 that is what the table below adds up to.
| Measure | Value |
|---|---|
| Cost per mile | $0.117 |
| Fuel per year | $1,407 |
| Fuel over five years | $7,035 |
| Against other 4-cyl cars | −$87 a year |
| EPA's own estimate | $2,314 a year |
City or highway — who is this car for
The Dodge OMNI gives up 9.1 mpg the moment you leave the motorway — 33 out there against 23.9 in town, a 38% drop worth $443 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 | 23.9 mpg | $1,607 a year if you only drive in town |
| Highway | 33 mpg | $1,164 a year if you mostly commute |
| Gap | +9.1 mpg (38%) | Wide — this car dislikes traffic |
How the OMNI changed over the years
The OMNI peaked in 1986 at 30 mpg (26 city, 35 highway) and was at its thirstiest in 1990 at 25 — 5 mpg apart, or $256 a year in fuel between buying one year and the other. The 1990 car does 25. 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 |
|---|---|---|---|---|
| 1990 | 22 / 31 | 1 | $1,536 | |
| 1989 | 23 / 32 | 1 | $1,477 | |
| 1988 | 22 / 31 | 1 | $1,536 | |
| 1987 | 22 / 31 | 1 | $1,536 | |
| 1986 | 26 / 35 | 1 | $1,280 | |
| 1985 | 26 / 36 | 1 | $1,280 | |
| 1984 | 26 / 35 | 1 | $1,280 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 7 EPA ratings of the Dodge OMNI — 2 engines across 1984–1990. 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 $2,314. Full method.
Frequently asked questions
What mpg does the Dodge OMNI get?
27.3 mpg combined on average — 23.9 in the city and 33 on the highway, per EPA ratings across 1984–1990.
How much does a Dodge OMNI cost in fuel per year?
About $1,407 at 12,000 miles and $3.20 a gallon — roughly $7,035 over five years, or 0.117 dollars a mile.
Which OMNI engine is the most economical?
The 1.6L 4-cyl at 30 mpg, against 25.3 for the 2.2L 4-cyl — a difference of about $238 a year.
Is the OMNI good on fuel compared with similar cars?
Against other 4-cyl cars it sits above the average of 25.7 mpg, computed across 4765 ratings.
Are these real-world OMNI figures?
No — they are EPA laboratory ratings, the same ones printed on the window sticker, and EPA's own annual fuel estimate for the Dodge OMNI is $2,314 against the $1,407 we compute at 12,000 miles. Expect a little worse in practice: the spread between the 30 and 25 mpg versions of this car is smaller than the spread between two drivers of the same one.
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