Pontiac Grand Prix problems
239 owner complaints with NHTSA, no active recalls. Here's where owners say it breaks.
Solid reliability overall. Common issues are concentrated in a few systems.
The data says walk unless this exact vehicle has documented proof the electrical system was repaired or replaced.
- 11 fire-related complaints and 2 crash-related complaints on the electrical system
- Steering: 42 complaints, classified severe, failures cluster 37,000–130,000 mi
- Reliability score 7.4/10 — around the segment average
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
Buying a used 2006 Pontiac Grand Prix? Check these first
Here's what this model is known to do — so you can inspect for it, price it in, or make the seller fix it before you sign.
What to inspect on this specific car
- powertrain — 57 owner reports · tends to show around 88,075 mi · ~$2,500 to fix
- electrical — 53 owner reports · tends to show around 124,379 mi · ~$850 to fix
- steering — 42 owner reports · tends to show around 96,700 mi · ~$700 to fix
- lighting — 27 owner reports · tends to show around 107,508 mi · ~$250 to fix
⚠ The one to take seriously: electrical is flagged severe on this model , showing up around 124,379 mi. Inspect it closely on a test drive.
Recalls to confirm are done
Run the VIN from the listing — no active recalls on this model right now, but confirm none were opened after this car was built.
Verdict for buyers: 7.4/10 model. The priciest documented failure is engine (~$3,100) — get the seller's service records for it or inspect closely. Otherwise an average-risk used buy at a fair price.
We tell you what this model is known for and what to inspect — a vehicle-history report tells you what this exact car has been through. Smart buyers get both.
See the full pre-purchase inspection checklist →Top trouble spots 8 categories with 3+ complaints
Your road ahead on this 2006 Pontiac Grand Prix
When owners report each system failing, in actual miles — so you can see what's likely behind you, what's due around now, and what to budget for next. Enter your mileage to mark where you are.
- ~80,000 miairbags~$1,100
- ~83,000 mipowertrain~$2,500
- ~85,000 milighting~$250
- ~100,000 misteering~$700
- ~123,000 mielectrical~$850
- ~125,000 miengine~$3,100
"Typical" = median owner-reported failure mileage from the NHTSA complaint record for this exact year and model. Not a maintenance schedule — a heads-up on where this model's failures cluster.
What owners are saying recent NHTSA-filed complaints · verbatim
I have a 2006 grand prix gxp with 118k miles on it and the transmission has failed and need rebuilding the dealer ship told me to make a report because this is a ongoing defect. *tr
Was going home after work one night and headlights, and instrument panel turned off by themselves. I could not turn them back on ( I was going 60 on the freeway).I kept driving and they turned on by themselves after about two or three minutes. It got worse as time passed, and…
Car has been continually overheating, radiator has been flushed and refilled with fresh coolant and new thermostat was bled. Car is fine while driving over 50mph but overheats when in traffic at a light. Driver back window motor is out, the window goes down but won't go up. The…
Tl* the contact owns a 2006 Pontiac grand prix. The contact stated that while driving at 35 MPH, the headlights failed without warning. The contact stated that the vehicle needed to be restarted in order for the headlights to reactivate. The vehicle was taken to be diagnosed but…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2006 Pontiac Grand Prix reliable?
Mostly yes. With a reliability score of 7.4 out of 10 based on 239 owner complaints filed with NHTSA, the 2006 Pontiac Grand Prix is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
Should you avoid the 2006 Pontiac Grand Prix?
On the NHTSA data, the 2006 Pontiac Grand Prix is one to avoid unless a specific vehicle proves otherwise. The data says walk unless this exact vehicle has documented proof the electrical system was repaired or replaced. The record behind that call: 11 fire-related complaints and 2 crash-related complaints on the electrical system; Steering: 42 complaints, classified severe, failures cluster 37,000–130,000 mi; Reliability score 7.4/10 — around the segment average. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
What should I check before buying a used 2006 Pontiac Grand Prix?
Inspect the powertrain first — it's the most-reported issue on this model, with 57 owner complaints filed. Typical failure occurs around 88,075 miles. Average repair cost runs about $2,500 at an independent shop. Also confirm any open recalls have been completed by running the VIN, and ask for service records covering the problem areas listed above.
Is the 2006 Pontiac Grand Prix a good used car to buy?
It scores 7.4 out of 10 on our NHTSA-based read of 239 owner complaints. The main thing to watch is powertrain. Typical failure occurs around 88,075 miles. Priced fairly and clean on inspection, it's a reasonable used buy. Our data covers what this model is known for — pair it with a vehicle-history report on the VIN to see what that specific car has been through.
What's the most common problem on the 2006 Pontiac Grand Prix?
Based on NHTSA records, the most-reported issue is powertrain, with 57 complaints filed. Typical failure occurs around 88,075 miles. Average repair cost runs about $2,500 at an independent shop.
What's the most expensive thing that goes wrong?
The powertrain is one of the costlier repair items. Average repair cost runs about $2,500 at an independent shop. Typical failure occurs around 88,075 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Pontiac Grand Prix has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2006 Pontiac Grand Prix?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 239 complaints on file and the costliest repair averaging $2,500, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.