Against 257 other V6 cars rated 1989–1991, the 325ix sits right on their 18.1 mpg average.
Every BMW 325ix engine, compared
The BMW 325ix was rated in a single specification, so its gas mileage does not vary by version — only by model year. Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 2.5L 6-cyl | 17 / 20 | 1989–1991 | $2,133 |
What that actually costs
| Measure | Value |
|---|---|
| Cost per mile (1991) | $0.178 |
| Fuel per year | $2,133 |
| Fuel over five years | $10,665 |
| Against other V6 cars, 1989–1991 | +$11 a year |
| EPA's own estimate | $3,450 a year |
City or highway — who is this car for
The 1991 BMW 325ix gives up 3 mpg in town: 20 on the highway against 17 in the city, $339 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (1991) | 17 mpg | $2,259 a year if you only drive in town |
| Highway | 20 mpg | $1,920 a year if you mostly commute |
| Gap | +3 mpg (18%) | Typical for its type |
How the 325ix changed over the years
Combined figure across the 3 model years the 325ix was rated in, all of them at 18 mpg.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 1991 | 17 / 20 | 1 | $2,133 | |
| 1990 | 17 / 20 | 1 | $2,133 | |
| 1989 | 17 / 20 | 1 | $2,133 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 3 EPA ratings of the BMW 325ix — 1 engine across 1989–1991. 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 $3,450. Full method.
Frequently asked questions
What mpg does the 1991 BMW 325ix get?
18 mpg combined, 17 city and 20 highway, per EPA. Across every year since 1989 the 325ix has averaged 18 mpg.
Is the 1991 325ix more efficient than the 1990?
About the same: 18 against 18 mpg combined.
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