2008 Pontiac G5: Reliability Data

Source: NHTSA — 153 complaints
153
Total Complaints
71,000mi
Median Mileage
FUEL/PROPULSION SYSTEM
Top Issue
31
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

39,250 25th Percentile
71,000 Median Mileage
92,250 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

FUEL/PROPULSION SYSTEM
29
STEERING
23
ELECTRICAL SYSTEM
21
AIR BAGS
20
SUSPENSION
6
ENGINE
5
POWER TRAIN
4
FUEL SYSTEM, GASOLINE
4
VEHICLE SPEED CONTROL
4
EXTERIOR LIGHTING
3

Severity Assessment

31
Crashes
4
Fires
67
Injuries
20
Deaths

Sample Complaint Reports

"2008 PONTIAC G5 PASSENGER AIR BAG SYSTEM WILL NOT ARM WHEN WIFE SITS ON PASSENGER SIDE. *TR"
"MY WIFE WAS DRIVING OUR 2008 PONTIAC G5, SHE WAS INVOLVED IN A 3 VEHICLE ACCIDENT. A CAR IMPACTED A MINI VAN ON THE SIDE CAUSING THE CAR TO BOUNCE OFF THE MINIVAN AND TRAVELING SIDEWAY INTO OUR PONTIAC G5. THE G5 WAS STRUCK ON THE DRIVER DOOR SENDING THE G5 SIDEWAYS AND ALMOST TURNING OVER. A TRE..."
"2008 PONTIAC G5 GT TRUNK MOUNTED REAR SPOILER IS MOUNTED SO HIGH THAT IT SIGNIFICANTLY OBSTRUCTS THE VIEW IN THE REAR VIEW MIRROR. I CONSIDER THIS TO BE A VALID SAFETY FACTOR AND THE SPOILER SHOULD BE REMOVED. *TR"

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28