FaultScore

Worst years for a Saturn ION

Owners have filed 5,471 complaints about the Saturn ION with NHTSA across model years 2003 to 2008. More of them are about the steering than anything else.

Avoid

2006 Saturn ION

1,537 complaints — the highest FaultScore of any year, mostly steering.

Cleanest on record

2005 Saturn ION

755 complaints — the lowest FaultScore of the graded years.

Every Saturn ION year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2008 4 1 1 Windows, Mirrors & Wipers
2007 C 1,090 70 0 66,560 Steering
2006 C 1,537 72 7 67,299 Steering
2005 C 755 49 5 61,000 Steering
2004 C 1,124 78 6 70,000 Electrical System
2003 C 961 64 4 72,000 Electrical System

What breaks on a Saturn ION

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Steering 1,724 31.5%

Worst in 2006

Electrical System 1,598 29.2%

Worst in 2006

Fuel & Propulsion 583 10.7%

Worst in 2006

Engine & Cooling 288 5.3%

Worst in 2003

Airbags 263 4.8%

Worst in 2007

Worst in 2004

Worst in 2003

Lights 106 1.9%

Worst in 2003

Worst in 2006

Worst in 2003

Worst in 2006

Suspension 66 1.2%

Worst in 2004

Brakes 65 1.2%

Worst in 2004

Worst in 2004

Exactly what failed on a Saturn ION

The named sub-assemblies behind those complaints, across every model year.

Ignition 230 31.5%
Switch 154 21.1%
Automatic Transmission 69 9.4%
Fuel Pump 62 8.5%
Electric Power Assist System 55 7.5%
Control Module 39 5.3%
Engine 38 5.2%
Turn Signal 30 4.1%
Body 28 3.8%
Frontal 26 3.6%

Complaints filed over time

Every complaint about every Saturn ION, by the month it reached NHTSA.

Feb 2003 peak 217 Aug 2026

Saturn ION problems by state

Where owners filed from. Heavier states are usually just bigger markets, but a part that fails in heat or salt shows up here first.

Compare the Saturn ION

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.