Against 241 other 4-cyl cars rated 1996–1998, the 240SX trails their 24.8 mpg average by 2.8 mpg, about $197 a year.
Every Nissan 240SX engine, compared
The Nissan 240SX 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 |
|---|---|---|---|---|
| 2.4L 4-cyl | 18.8 / 24.9 | 1989–1998 | $1,803 |
What that actually costs
Against its rivals in the same model years, the BMW 328iC gets 20.7 mpg, next to 22 mpg for the 1998 240SX. The 240SX is the cheapest of them to run: $110 a year less than the BMW 328iC.
| Measure | Value |
|---|---|
| Cost per mile (1998) | $0.145 |
| Fuel per year | $1,745 |
| Fuel over five years | $8,725 |
| Against other 4-cyl cars, 1996–1998 | +$197 a year |
| EPA's own estimate | $3,470 a year |
City or highway — who is this car for
The 1998 Nissan 240SX gives up 5 mpg in town: 25 on the highway against 20 in the city, $384 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (1998) | 20 mpg | $1,920 a year if you only drive in town |
| Highway | 25 mpg | $1,536 a year if you mostly commute |
| Gap | +5 mpg (25%) | Typical for its type |
How the 240SX changed over the years
The 240SX peaked in 1998 at 22 mpg (20 city, 25 highway) and was at its thirstiest in 1994 at 20 — 2 mpg apart, or $175 a year in fuel between buying one year and the other.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 1998 | 20 / 25 | 1 | $1,745 | |
| 1997 | 19 / 26 | 1 | $1,745 | |
| 1996 | 19 / 26 | 1 | $1,745 | |
| 1995 | 19 / 26 | 1 | $1,745 | |
| 1994 | 18 / 23 | 1 | $1,920 | |
| 1993 | 19 / 26 | 1 | $1,745 | |
| 1992 | 19 / 25 | 1 | $1,829 | |
| 1991 | 19 / 26 | 1 | $1,745 | |
| 1990 | 18 / 23 | 1 | $1,920 | |
| 1989 | 18 / 23 | 1 | $1,920 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 10 EPA ratings of the Nissan 240SX — 1 engine across 1989–1998. 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 $3,470. Full method.
Frequently asked questions
What mpg does the 1998 Nissan 240SX get?
22 mpg combined, 20 city and 25 highway, per EPA. Across every year since 1989 the 240SX has averaged 21.3 mpg.
Is the 1998 240SX more efficient than the 1997?
About the same: 22 against 22 mpg combined.
Which 240SX year has the best gas mileage?
The 1998, at 22 mpg combined (20 city, 25 highway), which is also the latest model year we hold.
Does the 240SX get better gas mileage than the BMW 328iC?
Yes: 22 mpg for the 1998 240SX against 20.7 for the 1999 BMW 328iC, about $110 a year less to run.
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