Against 435 other V6 cars rated 2002–2004, the Jimmy trails their 18.8 mpg average by 2.8 mpg, about $357 a year. Averaged over the years each was sold, the most economical engine since 1984, the 2L 4-cyl (1984), does 23 mpg and the thirstiest, the 5L 8-cyl Hybrid (1984–1985), 14: $1,073 a year apart.
Every GMC Jimmy engine, compared
Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 2L 4-cyl | 20 / 27 | 1984–1984 | $1,670 | |
| 2.5L 4-cyl | 19.3 / 25.5 | 1985–1988 | $1,761 | |
| 2.8L 6-cyl | 16.2 / 22.5 | 1984–1989 | $2,076 | |
| 4.3L 6-cyl | 15.2 / 21.1 | 1990–2004 | $2,182 | |
| 6.2L 8-cyl | 15.1 / 19.9 | 1984–1991 | $2,259 | |
| 5L 8-cyl Hybrid | 12 / 16 | 1984–1985 | $2,743 |
What that actually costs
Against its rivals in the same model years, the Mazda MPV gets 18.3 mpg, next to 16 mpg for the 2004 Jimmy. The Jimmy costs the most of them to run: $302 a year more than the Mazda MPV.
| Measure | Value |
|---|---|
| Cost per mile (2004) | $0.200 |
| Fuel per year | $2,400 |
| Fuel over five years | $12,000 |
| Against other V6 cars, 2002–2004 | +$357 a year |
| EPA's own estimate | $3,783 a year |
City or highway — who is this car for
The 2004 GMC Jimmy gives up 5 mpg in town: 19 on the highway against 14 in the city, $722 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2004) | 14 mpg | $2,743 a year if you only drive in town |
| Highway | 19 mpg | $2,021 a year if you mostly commute |
| Gap | +5 mpg (36%) | Wide — this car dislikes traffic |
How the Jimmy changed over the years
The Jimmy peaked in 1988 at 19.3 mpg (16.7 city, 23 highway) and was at its thirstiest in 2004 at 16 — 3.3 mpg apart, or $410 a year in fuel between buying one year and the other. The 2004 car does 16.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2004 | 14 / 19 | 1 | $2,400 | |
| 2003 | 15 / 21 | 1 | $2,259 | |
| 2002 | 15 / 20 | 1 | $2,259 | |
| 2001 | 15 / 20 | 1 | $2,259 | |
| 2000 | 15 / 21 | 1 | $2,133 | |
| 1999 | 15 / 21 | 1 | $2,259 | |
| 1998 | 16 / 21 | 1 | $2,133 | |
| 1997 | 16 / 23 | 1 | $2,021 | |
| 1996 | 16 / 22 | 1 | $2,133 | |
| 1995 | 15 / 22 | 1 | $2,133 | |
| 1994 | 15 / 22 | 1 | $2,133 | |
| 1993 | 15 / 22 | 1 | $2,133 | |
| 1992 | 15 / 20 | 1 | $2,259 | |
| 1991 | 15 / 20 | 1 | $2,259 | |
| 1990 | 15.5 / 21 | 2 | $2,194 | |
| 1989 | 16 / 22 | 2 | $2,133 | |
| 1988 | 16.7 / 23 | 3 | $1,990 | |
| 1987 | 16.3 / 21.7 | 3 | $2,098 | |
| 1986 | 16.7 / 21.7 | 3 | $2,053 | |
| 1985 | 15.8 / 21.3 | 4 | $2,133 | |
| 1984 | 16.3 / 21.8 | 4 | $2,076 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 35 EPA ratings of the GMC Jimmy — 6 engines across 1984–2004. 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 $3,783. Full method.
Frequently asked questions
What mpg does the 2004 GMC Jimmy get?
16 mpg combined, 14 city and 19 highway, per EPA. Across every year since 1984 the Jimmy has averaged 18 mpg.
Is the 2004 Jimmy more efficient than the 2003?
No: 16 against 17 mpg combined, about $141 a year more to run.
Which Jimmy year has the best gas mileage?
The 1988, at 19.3 mpg combined (16.7 city, 23 highway).
Does the Jimmy get better gas mileage than the Mazda MPV?
No: 16 mpg for the 2004 Jimmy against 18.3 for the 2005 Mazda MPV, about $302 a year more to run.
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