The Mitsubishi Montero does 15.6 mpg combined (14.4 city, 17.4 highway), which works out to about $2,462 a year in fuel at $3.20 a gallon and 12,000 miles. Engine choice matters more than you'd think: 2.6L 4-cyl does 16.4 mpg while 3.8L 6-cyl does 15 — a difference of $219 a year. Against other V6 cars it sits below the average of 19.9 mpg.
Every Mitsubishi Montero engine, compared
Gas mileage on the Mitsubishi Montero ranges from 16.4 down to 15 depending on which engine sits under the bonnet — a spread of $219 a year across 4 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 |
|---|---|---|---|---|
| 2.6L 4-cyl | 15.4 / 17.7 | 1984–1990 | $2,341 | |
| 3L 6-cyl | 14.5 / 17.2 | 1989–2000 | $2,477 | |
| 3.5L 6-cyl | 13.7 / 17 | 1997–2002 | $2,560 | |
| 3.8L 6-cyl | 13 / 17.5 | 2003–2006 | $2,560 |
What that actually costs
The Mitsubishi Montero burns a gallon every 15.6 miles, so 12,000 miles takes about 769 gallons a year. At $3.20 that is what the table below adds up to.
| Measure | Value |
|---|---|
| Cost per mile | $0.205 |
| Fuel per year | $2,462 |
| Fuel over five years | $12,310 |
| Against other V6 cars | +$532 a year |
| EPA's own estimate | $4,244 a year |
City or highway — who is this car for
The Mitsubishi Montero gives up 3 mpg the moment you leave the motorway — 17.4 out there against 14.4 in town, a 21% drop worth $460 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 | 14.4 mpg | $2,667 a year if you only drive in town |
| Highway | 17.4 mpg | $2,207 a year if you mostly commute |
| Gap | +3 mpg (21%) | Typical for its type |
How the Montero changed over the years
The Montero peaked in 1986 at 17 mpg (16 city, 18 highway) and was at its thirstiest in 2001 at 14 — 3 mpg apart, or $484 a year in fuel between buying one year and the other. The 2006 car does 15. 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 |
|---|---|---|---|---|
| 2006 | 13 / 17 | 1 | $2,560 | |
| 2005 | 13 / 17 | 1 | $2,560 | |
| 2004 | 13 / 18 | 1 | $2,560 | |
| 2003 | 13 / 18 | 1 | $2,560 | |
| 2002 | 14 / 17 | 1 | $2,560 | |
| 2001 | 12 / 16 | 1 | $2,743 | |
| 2000 | 15 / 18 | 1 | $2,400 | |
| 1999 | 15 / 18 | 1 | $2,400 | |
| 1998 | 15 / 18 | 1 | $2,400 | |
| 1997 | 15 / 18 | 1 | $2,400 | |
| 1996 | 14 / 17 | 1 | $2,560 | |
| 1995 | 14 / 17 | 1 | $2,560 | |
| 1994 | 14 / 17 | 1 | $2,560 | |
| 1993 | 14 / 17 | 1 | $2,560 | |
| 1992 | 14 / 17 | 1 | $2,560 | |
| 1991 | 15 / 17 | 1 | $2,560 | |
| 1990 | 15 / 17 | 2 | $2,400 | |
| 1989 | 15 / 17 | 2 | $2,400 | |
| 1988 | 15 / 18 | 1 | $2,400 | |
| 1987 | 15 / 17 | 1 | $2,400 | |
| 1986 | 16 / 18 | 1 | $2,259 | |
| 1985 | 16 / 18 | 1 | $2,259 | |
| 1984 | 16 / 18 | 1 | $2,259 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 25 EPA ratings of the Mitsubishi Montero — 4 engines across 1984–2006. 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 $4,244. Full method.
Frequently asked questions
What mpg does the Mitsubishi Montero get?
15.6 mpg combined on average — 14.4 in the city and 17.4 on the highway, per EPA ratings across 1984–2006.
How much does a Mitsubishi Montero cost in fuel per year?
About $2,462 at 12,000 miles and $3.20 a gallon — roughly $12,310 over five years, or 0.205 dollars a mile.
Which Montero engine is the most economical?
The 2.6L 4-cyl at 16.4 mpg, against 15 for the 3.8L 6-cyl — a difference of about $219 a year.
Is the Montero good on fuel compared with similar cars?
Against other V6 cars it sits below the average of 19.9 mpg, computed across 4940 ratings.
Are these real-world Montero figures?
No — they are EPA laboratory ratings, the same ones printed on the window sticker, and EPA's own annual fuel estimate for the Mitsubishi Montero is $4,244 against the $2,462 we compute at 12,000 miles. Expect a little worse in practice: the spread between the 17 and 14 mpg versions of this car is smaller than the spread between two drivers of the same one.
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