2003 Isuzu Ascender
16MPG
Combined
4
Trims
2003
2004 →
Updated February 27, 2026
Looking at the 2003 Isuzu Ascender? This SUV offers 14–16 combined MPG depending on trim and comes with 4 available configurations. We break down the specs, safety data, and how it compares to the competition.
2003 Isuzu Ascender Specifications
| Spec | Value |
|---|---|
| Combined MPG | 14–16 combined MPG depending on trim |
| City MPG | 14 |
| Highway MPG | 19 |
| Body Style | SUV |
| Fuel Type | Regular |
| Drive | RWD |
| Available Trims | 4 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| Auto | 14/19/16 | 4.2L 6cyl | Automatic 4-spd |
| Auto | 14/18/15 | 5.3L 8cyl | Automatic 4-spd |
| Auto | 13/19/15 | 4.2L 6cyl | Automatic 4-spd |
| Auto | 13/16/14 | 5.3L 8cyl | Automatic 4-spd |
Annual Fuel Cost
Based on EPA estimates, the 2003 Isuzu Ascender costs approximately $2,950 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2003 Isuzu Ascender
See how it stacks up against similar vehicles:
Other Model Years
- 2004 Isuzu Ascender
- 2003 (this page)
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