"How reliable is the 2004 Pontiac Grand Prix?"

"Based on 624 NHTSA complaints, the 2004 Pontiac Grand Prix has a median complaint mileage of 83000 miles. The most common issue is ENGINE."

"What are common problems with the 2004 Pontiac Grand Prix?"

"The most frequently reported component in NHTSA complaints for the 2004 Pontiac Grand Prix is ENGINE, accounting for a significant portion of the 624 total complaints filed."

2004 Pontiac Grand Prix: Reliability Data

Source: NHTSA — 624 complaints

624

Total Complaints

83,000mi

Median Mileage

ENGINE

Top Issue

Crash Reports

When Do Complaints Happen?

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

27,126 25th Percentile

83,000 Median Mileage

150,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE

ELECTRICAL SYSTEM

STEERING

EXTERIOR LIGHTING:HEADLIGHTS

ENGINE AND ENGINE COOLING

SERVICE BRAKES

UNKNOWN OR OTHER

AIR BAGS

STRUCTURE:BODY

STRUCTURE

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"2004 PONTIAC GRAND PRIX GTP"

"THE HEADLIGHTS WERE SHAKING WHICH HAS CAUSED THE DISTRACTION OF DRIVERS ON THE OTHER LANE. THE DEALER'S SERVICE DEPARTMENT OFFICIAL RESPONSE WAS THAT THE HEADLIGHTS ARE WITHIN SPECIFICATIONS AND DESIGNED THAT WAY. *LA"

"HEADLIGHT SHAKE BADLY. ANY SLIGHT VARIATION IN THE ROAD SUCH AS EXPANSION JOINTS, CRACKS, BUMPS, ETC. RESULT IN OBVIOUS SHAKING SEEN ON REFLECTIVE SIGNS, CAR TAILS, ETC. THIS IS PRETTY DISTRACTING AS A DRIVER OF THE CAR, I CAN'T IMAGINE THE IMPACT ON OTHERS. DEALER OFFERED NO SOLUTION AS PONTIAC ..."

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

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

ENGINE 98 complaints

25th: 102,225 mi Median: 145,000 mi 75th: 173,500 mi

ELECTRICAL SYSTEM 83 complaints

25th: 24,000 mi Median: 102,000 mi 75th: 165,256 mi

STEERING 48 complaints

25th: 43,750 mi Median: 85,017 mi 75th: 157,750 mi

EXTERIOR LIGHTING:HEADLIGHTS 34 complaints

25th: 5 mi Median: 100 mi 75th: 1,791 mi

ENGINE AND ENGINE COOLING 27 complaints

25th: 40,000 mi Median: 57,000 mi 75th: 111,838 mi

Where Are Complaints Coming From?

Top states by complaint count.

IL: 61 OH: 45 MI: 42 NC: 40 FL: 28 CA: 27 TX: 27 PA: 25 IN: 24 MA: 21

Who Files Complaints?

22.1%

Original Owners

77.9%

Second+ Owners

Pontiac Grand Prix — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
1990	249	89,993	SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER	17
1991	242	128,000	SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER	13
1992	158	130,000	SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP	10
1993	185	115,000	SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP	19
1994	306	125,000	VISIBILITY:WINDSHIELD WIPER/WASHER	33
1995	245	110,189	SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP	26
1996	116	39,153	ENGINE AND ENGINE COOLING:ENGINE:GASOLINE	10
1997	1064	100,500	EXTERIOR LIGHTING:HEADLIGHTS	52
1998	617	95,000	EXTERIOR LIGHTING:HEADLIGHTS	25
1999	500	95,809	ENGINE AND ENGINE COOLING	18
2000	588	92,000	ENGINE	13
2001	427	96,000	ENGINE	24
2002	410	90,721	ENGINE	28
2003	136	100,000	ENGINE	9
2005	209	71,290	ELECTRICAL SYSTEM	17
2006	365	98,800	ELECTRICAL SYSTEM	33
2007	323	93,500	EXTERIOR LIGHTING	23
2008	199	88,000	ELECTRICAL SYSTEM	14

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