Isuzu · 1984–1989 · Gas

Isuzu I-Mark MPG by year

The EPA has rated 6 model years of the Isuzu I-Mark, from 1984 to 1989. The most fuel-efficient year is the 1986, at 34 MPG combined in its best configuration. The best 1989 model is 43% more efficient than the best 1984 model (33 vs. 23 MPG). The 1989 model is 43% more efficient than the median subcompact car that year (33 vs. 23 MPG).

Most efficient year198634 MPG combined
Latest (1989)33 MPG$1,409/yr to fuel
First rated (1984)23 MPG$2,022/yr at today's prices
Model years rated622 configurations

Combined MPG by model year

  • I-Mark, most efficient version
  • Range across configurations
  • Class median

Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.

Every I-Mark model year

YearTypeBest combinedCity / HwyClass medianRangeConfigsFuel / yr
1989 Gas 33 MPG
lowest 24
31 / 37 23 — 5 $1,409
1988 Gas 33 MPG
lowest 27
31 / 37 24 — 4 $1,409
1987 Gas 33 MPG
lowest 27
31 / 37 24 — 4 $1,409
1986 Gas 34 MPG
lowest 29
32 / 38 24 — 3 $1,368
1985 Gas 23 MPG
lowest 20
21 / 26 24 — 3 $2,022
1984 Gas 23 MPG
lowest 20
21 / 26 23 — 3 $2,022

Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.

Compare I-Mark model years

See how much a newer I-Mark would save over an older one.

Models similar to the Isuzu I-Mark

Other Isuzu I-Mark versions

Frequently asked questions

Which Isuzu I-Mark year has the best fuel economy?

The 1986 Isuzu I-Mark, rated up to 34 MPG combined. At 15,000 miles a year with $3.10/gal regular gas, that works out to about $1,368 a year.

Which Isuzu I-Mark year has the worst fuel economy?

The 1985 model, whose most efficient version is rated 23 MPG combined (about $2,022 a year to fuel).

What is the fuel economy of the latest Isuzu I-Mark?

The 1989 Isuzu I-Mark is rated up to 33 MPG combined.

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