Reliability
Pontiac

G8 (1st)

2008-2009 · Full-Size Sedan · 3 engines
215 NHTSA Complaints
4 Recalls
2 Fire Reports
8 Crash Reports
Inspection checklist

Reliability Score

8.2 / 10

Reliability score

Fewer owner complaints than similar full-size sedans

The class average is 7.0. Based on complaints owners filed with NHTSA about the engine, transmission or drivetrain.

Owners filed 28 powertrain complaints. A typical full-size sedan fleet of this size and age would have drawn about 47.

Scores this high have held: three years on they had moved 0.2 points in the typical case.

Breakdown
Complaints overall28 complaints against about 47 for similar vehicles
8.2
Last three years
n/aNot enough data
Engine, transmission or drive unit failed or replaced
n/aNot enough data
Oil consumption, fuel in the oil or overheating
n/aNot enough data

Each line scores one view of the same complaints the same way, so the lines overlap. The mark on each bar is the class average. A line needs 20 expected complaints to show a number.

By model year
  • 20087.7
  • 20098.5

Similar vehicles are others in the same class, compared at the same age and in the same years. The score counts complaints owners filed with NHTSA, per vehicle built, which is different from the share of vehicles that fail. How the score is worked out

On the record

No serious powertrain recall covering 5% or more of this generation and no escalated investigation in NHTSA's files. Warranty extensions and settlements have not been researched.

Complaints by Engine Code

L76

6.0L 8-cyl
117 complaints 58.5 per year Gasoline
1 fire report
View details

Complaint Breakdown

safety systems
60
suspension
18
electrical
16
transmission
9
brakes
7

Pontiac G8 Unidentified Engine

28 complaints 14.0 per year
1 fire report
View details

Complaint Breakdown

safety systems
11
electrical
3
transmission
3
suspension
3
body
2
Show 3 additional engine variants with limited data
These engines appear in fewer than 10 owner complaints. A low count can mean a clean record, and it can also be a VIN-decode anomaly in NHTSA's data.

LS3

6.2L 8-cyl
8 complaints 8.0 per year Gasoline
View details

Complaint Breakdown

body
1
exterior
1
suspension
1
electrical
1
safety systems
1

LZ4

3.5L 6-cyl
2 complaints 2.0 per year Gasoline
View details

Owner Complaints by System

Complaints owners filed with NHTSA about the Pontiac G8, counted across every engine. A complaint can name more than one system.

Safety Systems: 94 owner complaints
Electrical System: 40 owner complaints
Suspension: 30 owner complaints
Transmission: 17 owner complaints
Steering: 14 owner complaints

What to check on a used 2008-2009 Pontiac G8

On a used 2008-2009 Pontiac G8, the systems with the most NHTSA owner complaints are the airbags and driver-assist systems (94), the electrical system (40) and the suspension (30). Each one has an inspection step below, with counts as of 2026-10-12. A complaint is an owner report, not a confirmed defect, and counts rise with sales.

  1. Switch the ignition on and watch the airbag light. On the drive, check the backup camera and any collision or lane warning.Safety. NHTSA has 94 owner complaints on the 2008-2009 Pontiac G8 about the airbags and driver-assist systems.
  2. Switch on every electrical item in turn: lights, windows, locks, wipers, climate fan, screen and power outlets.Costly repair. NHTSA has 40 owner complaints on the 2008-2009 Pontiac G8 about the electrical system.
  3. Drive over a speed bump and a rough patch at 15 to 20 mph with the radio off.Safety. NHTSA has 30 owner complaints on the 2008-2009 Pontiac G8 about the suspension.
  4. Accelerate gently through every gear, then once at full throttle. Shift into Reverse and back to Drive.Costly repair. NHTSA has 17 owner complaints on the 2008-2009 Pontiac G8 about the transmission and drivetrain, all engines combined.
  5. Turn the wheel from lock to lock while parked, then drive straight on a level road with a light grip.Safety. NHTSA has 14 owner complaints on the 2008-2009 Pontiac G8 about the steering.
Open the full inspection checklist for the 2008-2009 Pontiac G8

Recalls (4)

15V399000Jun 23, 2015serious
Seat Belts

General Motors LLC (GM) is recalling certain model year 2011-2013 Chevrolet Caprice vehicles manufactured October 15, 2010, to October 22, 2013, and 2008-2009 Pontiac G8 vehicles manufactured July 25, 2007, to February 18, 2009. In the affected vehicles, the flexible steel cables that connect the seat belts to the vehicle at the outside of the driver seat and the front passenger seat may be bent from being sat on while entering the vehicle. This repeated bending may result in the cable breaking.

14V540000Sep 9, 2014serious
Electrical System

General Motors LLC (GM) is recalling certain model year 2011-2013 Chevrolet Caprice vehicles manufactured October 15, 2010, to December 6, 2013, and 2008-2009 Pontiac G8 vehicles manufactured July 25, 2007, to February 18, 2009. In the affected vehicles, the driver may accidentally hit the ignition key with their knee, unintentionally knocking the key out of the run position, turning off the engine.

11V534000Nov 4, 2011serious
Air Bags

GENERAL MOTORS (GM) IS RECALLING CERTAIN MODEL YEAR 2008-2009 PONTIAC G8 VEHICLES MANUFACTURED FROM NOVEMBER 2, 2007 THROUGH JANUARY 22, 2009. A 5TH PERCENTILE FEMALE ANTHROPOMORPHIC TEST DEVICE (ATD) IN A 30 MPH FRONTAL BARRIER TEST EXCEEDED THE HEAD INJURY CRITERIA (HIC) REQUIREMENTS OF THE STANDARD. WITH THE FRONT PASSENGER SEAT POSITIONED FULL FORWARD, THE SEAT POSITION SENSOR WILL CAUSE A 30 MILLISECONDS DEPLOYMENT DELAY BETWEEN THE FIRST AND SECOND STAGES OF THE DUAL-STAGE FRONTAL PASSENGER AIR BAG.

09V172000May 21, 2009serious
Service Brakes, Air

GM IS RECALLING 35,038 MY 2008-2009 PONTIAC G8 VEHICLES FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT" AND FEDERAL MOTOR VEHICLES SAFETY STANDARD NO. 138, "TIRE PRESSURE MONITORING SYSTEMS". THE BRAKE PEDAL POSITION SWITCH MAY HAVE BEEN INCORRECTLY PROGRAMMED. WITH THIS CONDITION, THE BRAKE LAMPS MAY BE CONTINUALLY ILLUMINATED AND FAIL TO WARN A FOLLOWING DRIVER WHEN THE VEHICLE IS BRAKING. ALSO CERTAIN VEHICLES MAY HAVE INCORRECT VALUES PROGRAMMED INTO THE TIRE PRESSURE MONITORING SYSTEM THAT WILL NOT ILLUMINATE THE LOW TIRE PRESSURE TELLTALE UNTIL TIRE PRESSURE FALLS BELOW VALUES REQUIRED BY THE STANDARD.

Alternatives in Full-Size Sedan

Frequently Asked Questions

What are the most common 2008-2009 Pontiac G8 complaints?

Owners have filed 215 complaints with NHTSA about the 2008-2009 Pontiac G8. The systems they name most often are the safety systems, the electrical system and the suspension.

Is the 2008-2009 Pontiac G8 a good used car?

That depends on the model year, the mileage and the maintenance history of the car in front of you. Owners have filed 215 complaints with NHTSA about the 2008-2009 Pontiac G8. Check which systems they name most often and whether a recall is still open on that car.

How many NHTSA complaints does the 2008-2009 Pontiac G8 have?

NHTSA has 215 owner complaints on file for the 2008-2009 Pontiac G8 as of the latest data pull. A complaint is an owner's report, not a confirmed defect, and counts rise with sales.

What recalls affect the 2008-2009 Pontiac G8?

NHTSA lists 4 recalls covering some 2008-2009 Pontiac G8 vehicles. Which ones apply depends on the VIN: enter it at nhtsa.gov/recalls to see the open campaigns on a specific car.

What should I check before buying a used Pontiac G8?

Run the VIN through NHTSA's recall lookup and confirm every open recall has been done. Look hardest at the safety systems, the electrical system and the suspension, the systems owners complain about most. Ask for maintenance records, have an independent mechanic inspect the car and run a vehicle history report for prior accidents and title issues.

Does the G8 have NHTSA crash test ratings?

NHTSA has not published crash test ratings for the 2008-2009 Pontiac G8. Not all vehicles are tested each year. For the latest NHTSA safety information, visit nhtsa.gov/ratings.

Data from NHTSA federal complaints database. 215 complaints analyzed. Data confidence: high. Last updated: 2026-10-12.

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