Against 291 other 4-cyl cars rated 1988–1990, the OMNI beats their 23.7 mpg average by 1.3 mpg, about $84 a year. Averaged over the years each was sold, the most economical engine since 1984, the 1.6L 4-cyl (1984–1986), does 30 mpg and the thirstiest, the 2.2L 4-cyl (1987–1990), 25.3: $238 a year apart.
Every Dodge OMNI engine, compared
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
| Measure | Value |
|---|---|
| Cost per mile (1990) | $0.128 |
| Fuel per year | $1,536 |
| Fuel over five years | $7,680 |
| Against other 4-cyl cars, 1988–1990 | −$84 a year |
| EPA's own estimate | $2,314 a year |
City or highway — who is this car for
The 1990 Dodge OMNI gives up 9 mpg in town: 31 on the highway against 22 in the city, $506 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (1990) | 22 mpg | $1,745 a year if you only drive in town |
| Highway | 31 mpg | $1,239 a year if you mostly commute |
| Gap | +9 mpg (41%) | 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. The biggest single-year change came in 1987: 30 to 25 mpg.
| 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 1990 Dodge OMNI get?
25 mpg combined, 22 city and 31 highway, per EPA. Across every year since 1984 the OMNI has averaged 27.3 mpg.
Is the 1990 OMNI more efficient than the 1989?
No: 25 against 26 mpg combined, about $59 a year more to run.
Which OMNI year has the best gas mileage?
The 1986, at 30 mpg combined (26 city, 35 highway).
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