Pontiac Grand Am 1992–1998
4th generation · GM N-body
NHTSA data through 13 August 20263,204 complaints, 393 with mileageMethod
- Reports with mileage
- 393
- Median of reported failures
- 99,000 mi
- Most-reported system
- Electrical system (19.7%)
- Recalls
- 0
Before-you-buy checklist ↓Check this VIN — NHTSA ↗
On this generation, failures are spread across the mileage range, with the middle half between 63,095 and 135,000 miles.
Figure 1 · Pontiac Grand Am 1992–1998 · 393 reports with mileage
Mileage at failure
Complaints per 10,000-mile bin, 0 to 200,000 miles, equal bins on a linear scale. Tallest bar = 37 complaints.
- Rest of the range
- Median
- 200,000+ — 9 complaints (2.3%), plotted separately
- 10%
- 20,478
- 25%
- 63,095
- Median
- 99,000
- 75%
- 135,000
- 90%
- 172,000
Show the numbers
| Mileage | Complaints | Share |
|---|---|---|
| 0–10,000 | 22 | 5.6% |
| 10,000–20,000 | 15 | 3.8% |
| 20,000–30,000 | 9 | 2.3% |
| 30,000–40,000 | 16 | 4.1% |
| 40,000–50,000 | 19 | 4.8% |
| 50,000–60,000 | 6 | 1.5% |
| 60,000–70,000 | 22 | 5.6% |
| 70,000–80,000 | 23 | 5.9% |
| 80,000–90,000 | 30 | 7.6% |
| 90,000–100,000 | 37 | 9.4% |
| 100,000–110,000 | 33 | 8.4% |
| 110,000–120,000 | 24 | 6.1% |
| 120,000–130,000 | 31 | 7.9% |
| 130,000–140,000 | 18 | 4.6% |
| 140,000–150,000 | 15 | 3.8% |
| 150,000–160,000 | 16 | 4.1% |
| 160,000–170,000 | 11 | 2.8% |
| 170,000–180,000 | 13 | 3.3% |
| 180,000–190,000 | 20 | 5.1% |
| 190,000–200,000 | 4 | 1.0% |
| 200,000+ | 9 | 2.3% |
Source: NHTSA Office of Defects Investigation, public domain. Complaint counts reflect what owners reported and are not a measure of failure rate per vehicle sold.
What this can and cannot tell you: these are complaints owners chose to file, not a failure rate. Popular models accumulate more of them simply by being common. How this is built.
Owners filed 3,204 complaints with NHTSA about the 1992–1998 Pontiac Grand Am, and 393 of them record the mileage at which the failure happened. That is enough to show not just what fails, but when.
Failures are spread across the mileage range, with the middle half between 63,095 and 135,000 miles. The median is 99,000 miles.
The most-reported areas are the electrical system (19.7% of complaints, typically around 104,000 miles), the engine and its cooling system (14.9% of complaints, typically around 96,000 miles), the hydraulic brake circuit (14.1% of complaints, typically around 80,000 miles).
If you arrived asking “is it reliable?” — this page answers the version of that question the data can support: which problems owners reported, and at what mileage.
How many miles does a 1992–1998 Pontiac Grand Am last?
Half of the failure reports on the 1992–1998 Pontiac Grand Am were filed by 99,000 miles and 90% by 172,000 miles — figures drawn from 393 NHTSA complaints that record an odometer reading, so they time reported failures, not the cars whose owners never filed one.
9 reports (2.3%) came in past 200,000 miles — each one proof a Grand Am reached that mileage, not that it died there.
Before you buy a 1992–1998 Grand Am: the 3-minute check
Generated from 393 mileage-tagged complaints, 4 documented problem areas. Print this page — the checklist survives print.
- Check engine - intake manifold on 1996–1998 (3.1L V6) cars. 3.1L V6 lower intake manifold gasket degradation, allowing coolant into the crankcase and/or external coolant seepage; associated with Dex-Cool long-life coolant and the nylon-carrier/silicone gasket design used across…
- Check engine - cylinder head on 1996–1998 (2.4L) cars. 2.4L LD9 Twin Cam head gasket failure, often secondary to cooling-system neglect or overheating; also timing chain tensioner wear producing cold-start rattle.
- Check electrical - anti-theft on 1996–1998 cars. Passlock/VATS theft-deterrent system faults cause intermittent crank-no-start with the security lamp lit; the fix is typically the ignition lock cylinder housing sensor rather than the engine.
- End with a pre-purchase inspection of this car. Aggregate data describes the population; the example in front of you has its own history.
For a buyer, failures on this generation are spread rather than concentrated: the middle half falls between 63,000 and 135,000 miles, with a median of 99,000. There is no single mileage threshold to watch, which means condition and maintenance records are more informative than the odometer.
On inspection, the electrical system and the engine and its cooling system are where this generation's reports concentrate, so those are the areas worth a specific look. The engine and its cooling system in particular shows a median failure mileage of 96,000, which gives a concrete number to compare against the odometer of any car you are considering.
None of this is a substitute for a pre-purchase inspection on the individual car. Aggregate patterns describe a population; the example in front of you has its own history.
What fails, and when
Figure 2 · Pontiac Grand Am 1992–1998
When each system fails
Bar spans the middle half of reports; the notch inside each bar is the median. Miles at failure on a proportional scale — equal distances are equal ratios, not equal miles.
- Visibility equipment176 reports75,00030,000–95,000Visibility equipment: 176 reports, median 75,000 miles, middle half 30,000 to 95,000 miles.
- Hydraulic brake circuit451 reports80,00045,000–133,000Hydraulic brake circuit: 451 reports, median 80,000 miles, middle half 45,000 to 133,000 miles.
- Engine and its cooling system477 reports96,00069,000–113,000Engine and its cooling system: 477 reports, median 96,000 miles, middle half 69,000 to 113,000 miles.
- Transmission and driveline171 reports96,00045,000–124,000Transmission and driveline: 171 reports, median 96,000 miles, middle half 45,000 to 124,000 miles.
- Electrical system630 reports104,00074,000–144,000Electrical system: 630 reports, median 104,000 miles, middle half 74,000 to 144,000 miles.
- Steering155 reports106,00082,000–159,000Steering: 155 reports, median 106,000 miles, middle half 82,000 to 159,000 miles.
- Airbag system251 reports125,00096,000–150,000Airbag system: 251 reports, median 125,000 miles, middle half 96,000 to 150,000 miles.
- Your odometer — appears after you enter it in “Where your car sits”
Ordered by median mileage, earliest first. The first 12,000 miles are shaded: that is the boundary this site uses between a manufacturing defect and ordinary wear, not a property of the world.
Source: NHTSA Office of Defects Investigation, public domain.
| System | Complaints | Share | Median | 25–75% |
|---|---|---|---|---|
| Electrical system | 630 | 19.7% | 104,000 | 74,000–144,000 |
| Engine and its cooling system | 477 | 14.9% | 96,000 | 69,000–113,000 |
| Hydraulic brake circuit | 451 | 14.1% | 80,000 | 45,000–133,000 |
| Airbag system | 251 | 7.8% | 125,000 | 96,000–150,000 |
| Visibility equipment | 176 | 5.5% | 75,000 | 30,000–95,000 |
| Transmission and driveline | 171 | 5.3% | 96,000 | 45,000–124,000 |
| Steering | 155 | 4.8% | 106,000 | 82,000–159,000 |
| Suspension | 116 | 3.6% | 90,000 | 50,000–143,000 |
| Exterior lighting | 107 | 3.3% | 91,000 | 22,000–129,000 |
| Body structure | 101 | 3.2% | 99,000 | 56,000–120,000 |
Where your car sits
Failure reports by the odometer reading they were filed at. Pick the anchor nearest your car — or type the exact mileage: your marker lands on this curve and on the timing chart above.
Figure 3 · Pontiac Grand Am 1992–1998 · 393 reports with mileage
Share of reports below each mileage
Share of mileage-tagged reports filed at or below each odometer reading. Steps rise only at bin edges, by exact counted shares.
- 60,000 mi — 22% of reports below
- 90,000 mi — 41% of reports below
- 120,000 mi — 65% of reports below
- Median — the staircase crosses the 50% line here
- Your odometer — appears after you enter it below
The staircase tops out at 98%: the remaining 2.3% of reports (9) came above 200,000 miles.
Nothing is smoothed or interpolated. Linear axis, same as Figure 1.
Source: NHTSA Office of Defects Investigation, public domain.
At 60,000 miles
22% of the failure reports on this generation came below this mileage. That describes reports, not your odds.
In the reporting window
- Hydraulic brake circuit — middle half 45,000–133,000 mi
- Visibility equipment — middle half 30,000–95,000 mi
- Transmission and driveline — middle half 45,000–124,000 mi
Mostly reported later
- Electrical system — middle half 74,000–144,000 mi
- Engine and its cooling system — middle half 69,000–113,000 mi
- Airbag system — middle half 96,000–150,000 mi
- Steering — middle half 82,000–159,000 mi
At 90,000 miles
41% of the failure reports on this generation came below this mileage. That describes reports, not your odds.
In the reporting window
- Electrical system — middle half 74,000–144,000 mi
- Engine and its cooling system — middle half 69,000–113,000 mi
- Hydraulic brake circuit — middle half 45,000–133,000 mi
- Visibility equipment — middle half 30,000–95,000 mi
- Transmission and driveline — middle half 45,000–124,000 mi
- Steering — middle half 82,000–159,000 mi
Mostly reported later
- Airbag system — middle half 96,000–150,000 mi
At 120,000 miles
65% of the failure reports on this generation came below this mileage. That describes reports, not your odds.
Reported earlier than this mileage — ask for repair records
- Engine and its cooling system — median 96,000 mi
- Visibility equipment — median 75,000 mi
In the reporting window
- Electrical system — middle half 74,000–144,000 mi
- Hydraulic brake circuit — middle half 45,000–133,000 mi
- Airbag system — middle half 96,000–150,000 mi
- Transmission and driveline — middle half 45,000–124,000 mi
- Steering — middle half 82,000–159,000 mi
Which systems, and when
Complaints about this generation are not spread evenly across the vehicle, and the systems that generate the most of them do not all fail at the same point in a car's life. The median failure across all systems here is 99,000 miles; the figures below show which parts of the car run ahead of that and which run behind.
The electrical system accounts for 19.7% of complaints (630 reports, 73 of them with a mileage figure), with a median of 104,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 74,000 and 144,000 miles.
The engine and its cooling system accounts for 14.9% of complaints (477 reports, 70 of them with a mileage figure), with a median of 96,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 69,000 and 113,000 miles.
The hydraulic brake circuit accounts for 14.1% of complaints (451 reports, 19 of them with a mileage figure), with a median of 80,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 45,000 and 133,000 miles.
The airbag system accounts for 7.8% of complaints (251 reports, 70 of them with a mileage figure), with a median of 125,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 96,000 and 150,000 miles.
Visibility equipment accounts for 5.5% of complaints (176 reports, 26 of them with a mileage figure), with a median of 75,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 30,000 and 95,000 miles.
The transmission and driveline accounts for 5.3% of complaints (171 reports, 19 of them with a mileage figure), with a median of 96,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 45,000 and 124,000 miles.
Differences between model years
Within this generation, complaint volume is not constant across model years. The 1996 model year drew the most — 672 complaints — while 1998 drew the fewest at 236. The median year sits at 515.
Recalls and what they cover
No recall campaigns covering this generation appear in NHTSA's post-2010 recall file. That is not the same as an absence of problems — recalls address safety defects specifically, and many of the complaints above concern faults that are expensive or annoying without meeting that threshold.
Reported severity
What owners reported alongside the failure itself, out of 3,204 complaints against this generation:
- Crashes
- 279 (8.7%)
- Fires
- 138
- Injury reports
- 241
- Fatality reports
- 11
These flags are self-reported by complainants and unverified by NHTSA; one report can carry several flags, so the counts overlap and do not sum to a total. They are not adjusted for how many of these vehicles are on the road. No chart is drawn here on purpose: overlapping counts spanning very different magnitudes cannot be honestly encoded as lengths.
Documented problems
Engine - Intake Manifold 1996–1998 (3.1L V6)
3.1L V6 lower intake manifold gasket degradation, allowing coolant into the crankcase and/or external coolant seepage; associated with Dex-Cool long-life coolant and the nylon-carrier/silicone gasket design used across GM 3.1L/3.4L 60-degree V6s. Subject of the GM Dex-Cool class action covering roughly 1995-2003 3.1L/3.4L vehicles.
Engine - Cylinder Head 1996–1998 (2.4L)
2.4L LD9 Twin Cam head gasket failure, often secondary to cooling-system neglect or overheating; also timing chain tensioner wear producing cold-start rattle.
Electrical - Anti-Theft 1996–1998
Passlock/VATS theft-deterrent system faults cause intermittent crank-no-start with the security lamp lit; the fix is typically the ignition lock cylinder housing sensor rather than the engine.
Body - Windows 1996–1998
Power window regulator cable/pulley failure, most often the front doors.
By model year
| Year | Complaints | With mileage |
|---|---|---|
| 1992 | 304 | 7 |
| 1993 | 290 | 15 |
| 1994 | 515 | 37 |
| 1995 | 587 | 49 |
| 1996 | 672 | 104 |
| 1997 | 600 | 124 |
| 1998 | 236 | 57 |
What owners reported
I have a letter from Pontiac date nov, 1995. Which states that 2.3L quad ohc engine have a defect of cracking cylinder that allows coolant to leak from the cylinder heads. The letter also states.. Do not bring your vehicle to the dealer unless this occurs. The stated if this condition occurs within seven years or…
1992 · 79,000 miles · Engine and its cooling system
Coolant leaked from underneath the vehicle while driving about 50 MPH which caused the vehicle to overheat. *Ak the vehicle was taken to the dealer where they determined that the radiator hose had a split in it. The same week the vehicle was purchased the brake line broke. About 2 months later the brake pedal went to…
1992 · 86,000 miles · Engine and its cooling system
Vehicle was parked and began smoking under the hood. An independent shop stated that switch lamp burned out causing smoke in the steering wheel column. The dealer was notified. *Ak the vehicle didn't start. The vehicle received a jump, then the vehicle started. The headlights were on even though the switch was off.…
1993 · 108,000 miles · Electrical system
1993 Pontiac Grand Am, 124,ooo miles. The car starts and runs good. When i go 10 to 15 miles and if i come to a stop, the car stalls. It starts with no problem but when i shift a gear, the car stalls. If i wait for the car to cool off, the car will move without stalling. I bought this car for my daughter since she is…
1993 · 124,000 miles · Transmission and driveline
Built from 393 NHTSA complaints with mileage · snapshot 2026-08-18 · open data · reproduce this page