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Isuzu Ascender Problems

The Isuzu Ascender was a mid-size SUV produced from 2003 to 2008, based on the GM TrailBlazer platform. With 560 total complaints, the 2004 and 2005 model years show the highest complaint rates. Electrical system problems dominate the complaints, followed by fuel system issues, making these critical areas to inspect on any prospective purchase.

560
Total Complaints
9
Total Recalls
6
Model Years
0
Reported Deaths
✓

Best Years

These years have the fewest reported problems.

2007

Common Problem Categories

Electrical System 170
Fuel System, Gasoline 76
Exterior Lighting 46
Fuel/propulsion System 38
Power Train 24

Complaints by Model Year

All Model Years

Year ↓ Complaints Recalls Crashes Fires Rating
2008 0 1 0 0 Good
2007 24 4 0 0 Good
2006 98 4 6 6 Average
2005 168 0 8 2 Below Average
2004 176 0 0 8 Below Average
2003 94 0 4 0 Average

Isuzu Ascender Years to Avoid

2004, 2005, 2006

Best Isuzu Ascender Years

2007

Frequently Asked Questions

What are the most common problems with the Isuzu Ascender?

Electrical system issues dominate with 170 complaints, followed by fuel system problems (76), exterior lighting concerns (46), fuel/propulsion system issues (38), and power train problems (24). The electrical issues are particularly pervasive.

Which Isuzu Ascender years should I avoid?

The 2004 (176 complaints) and 2005 (168 complaints) model years have the most issues and should be avoided. The 2006 model (98 complaints) also shows elevated concerns.

Is the Isuzu Ascender reliable?

The Ascender has significant reliability concerns, particularly with electrical systems. As a rebadged GM product, it shares components with the Chevrolet TrailBlazer. The 2007 model year shows much improved reliability.

What is the best year for the Isuzu Ascender?

The 2007 model year is the best choice with only 24 complaints, a dramatic improvement over the 168-176 complaints in 2004-2005. This represents the most refined version of the Ascender.