Isuzu I-Mark MPG and Fuel Economy
Isuzu have been manufacturing models of I-Mark for 6 years, with the latest vehicle in 1989 having a combined MPG of 28.
The estimated fuel cost for the 1989 Isuzu I-Mark is $2,250 per year.
Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
💵 Compared to an average vehicle over 5 years, you will save $250 on fuel driving a 1989 Isuzu I-Mark.
🛢 The Isuzu I-Mark will consume roughly 11 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Isuzu I-Mark will emit -1 grams of CO2, which is about -15,000 grams of CO2 per year.
🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 1 tree would be needed to offset emissions from the Isuzu I-Mark.
The table below is a complete list of the 6 Isuzu I-Mark fuel efficiency specifications we have data for.
Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.
| Vehicle | Combined MPG | Fuel Cost |
|---|---|---|
| 1989 Isuzu I-Mark | 28 | $2,250 |
| 1988 Isuzu I-Mark | 28 | $2,250 |
| 1987 Isuzu I-Mark | 28 | $2,250 |
| 1986 Isuzu I-Mark | 29 | $2,150 |
| 1985 Isuzu I-Mark | 20 | $3,150 |
| 1984 Isuzu I-Mark | 22 | $2,850 |
Link To or Reference This Page
If you use this page in your research, please reference MPG Buddy as the source.
<a href="https://mpgbuddy.com/cars/isuzu/i-mark">Isuzu I-Mark MPG and Fuel Economy</a>
"Isuzu I-Mark MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/isuzu/i-mark.
"Isuzu I-Mark MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/isuzu/i-mark. Accessed January 3, 2026.
Isuzu I-Mark MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/isuzu/i-mark.