Against 329 other V6 cars rated 1995–1997, the J30 sits right on their 18.8 mpg average.
Every Infiniti J30 engine, compared
The Infiniti J30 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 |
|---|---|---|---|---|
| 3L 6-cyl | 16 / 21.8 | 1993–1997 | $2,133 |
What that actually costs
Against its rivals in the same model years, the Nissan Sentra gets 29 mpg, the Volkswagen Beetle 38 mpg and the Mitsubishi Eclipse 23.7 mpg, next to 18 mpg for the 1997 J30. The J30 costs the most of them to run: $1,122 a year more than the Volkswagen Beetle.
| Measure | Value |
|---|---|
| Cost per mile (1997) | $0.178 |
| Fuel per year | $2,133 |
| Fuel over five years | $10,665 |
| Against other V6 cars, 1995–1997 | +$90 a year |
| EPA's own estimate | $4,300 a year |
City or highway — who is this car for
The 1997 Infiniti J30 gives up 6 mpg in town: 22 on the highway against 16 in the city, $655 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (1997) | 16 mpg | $2,400 a year if you only drive in town |
| Highway | 22 mpg | $1,745 a year if you mostly commute |
| Gap | +6 mpg (38%) | Wide — this car dislikes traffic |
How the J30 changed over the years
Combined figure across the 5 model years the J30 was rated in, all of them at 18 mpg.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 1997 | 16 / 22 | 1 | $2,133 | |
| 1996 | 16 / 22 | 1 | $2,133 | |
| 1995 | 16 / 22 | 1 | $2,133 | |
| 1994 | 16 / 22 | 1 | $2,133 | |
| 1993 | 16 / 21 | 1 | $2,133 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 5 EPA ratings of the Infiniti J30 — 1 engine across 1993–1997. 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 $4,300. Full method.
Frequently asked questions
What mpg does the 1997 Infiniti J30 get?
18 mpg combined, 16 city and 22 highway, per EPA. Across every year since 1993 the J30 has averaged 18 mpg.
Is the 1997 J30 more efficient than the 1996?
About the same: 18 against 18 mpg combined.
Does the J30 get better gas mileage than the Nissan Sentra?
No: 18 mpg for the 1997 J30 against 29 for the 1998 Nissan Sentra, about $809 a year more to run.
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