2009 INFINITI G37 problems
The 2009 INFINITI G37 has 167 NHTSA owner complaints and no active recalls. Here's where owners say it breaks.
The 2009 INFINITI G37 has 167 NHTSA owner complaints on file (U.S. federal records, as of August 2026). The most-reported system is airbags at 84 complaints, typically surfacing around 75,244 miles (~$1,100 to repair). Source: NHTSA Office of Defects Investigation.
| Model year | Owner complaints | Recalls |
|---|---|---|
| 2008 G37 | 66 | 1 |
| 2009 G37 (this page) | 167 | 0 |
| 2010 G37 | 76 | 0 |
| 2011 G37 | 99 | 1 |
| 2012 G37 | 63 | 1 |
Solid reliability overall. Common issues are concentrated in a few systems.
Buyable on the data — keep up the usual maintenance and inspect normally.
- No systemic severe-failure pattern in the complaint record
- Reliability score 7.6/10 — above 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 2009 INFINITI G37? 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
- airbags — 84 owner reports · tends to show around 75,244 mi · ~$1,100 to fix
- powertrain — 17 owner reports · tends to show around 54,034 mi · ~$2,500 to fix
- electrical — 12 owner reports · tends to show around 51,262 mi · ~$850 to fix
- engine — 10 owner reports · tends to show around 61,257 mi · ~$3,100 to fix
⚠ The one to take seriously: powertrain is flagged severe on this model , showing up around 54,034 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: 7.6/10 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 →Ask anything about your 2009 INFINITI G37
A noise, a warning light, a repair quote, "should I buy this?" — get an answer grounded in this vehicle's actual NHTSA record, not generic advice.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
Top trouble spots 8 categories with 3+ complaints
Your road ahead on this 2009 INFINITI G37
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.
- ~28,000 mipowertrain~$2,500
- ~66,500 mielectrical~$850
- ~75,000 miairbags~$1,100
"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
Upon starting the 2009 g37 with just over 73k miles on it, the airbag light began flashing.the following week, on december 28, 2020, I took the car to sewell Infiniti of ft. Worth to have the problem diagnosed. The fault code "b1018 occupant sensor unit fail" was found. The only…
We picked up our brand new Infiniti g37 sedan out of town (52 miles on it) and the next day, drove it home 300 highway miles. Obviously, we were extremely fortunate the problem didn't begin on the trip. By the second day, the car started dying when we came to a stop. At…
The passenger airbag light is blinking due to a faulty sensor contained in the passenger seat. If this light does not turn off, no airbags will deploy in the event of an accident, which is a huge safety issue. Infiniti charges more than $7000 to replace the sensor and the seat…
I am the original owner of this 2009 G37 sedan with only 12K miles. This car has never been in an accident. It is perfectly maintained and sits in a garage 99% of the time. Last week the airbag light flashed on. The dealer said the error code was B1018 (Occupant…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2009 Infiniti G37 reliable?
Mostly yes. With a reliability score of 7.6 out of 10 based on 167 owner complaints filed with NHTSA, the 2009 Infiniti G37 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 2009 Infiniti G37?
On the NHTSA data, the 2009 INFINITI G37 does not need avoiding. Buyable on the data — keep up the usual maintenance and inspect normally. The record behind that call: No systemic severe-failure pattern in the complaint record; Reliability score 7.6/10 — above 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 2009 Infiniti G37?
Inspect the airbags first — it's the most-reported issue on this model, with 84 owner complaints filed. Typical failure occurs around 75,244 miles. Average repair cost runs about $1,100 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 2009 Infiniti G37 a good used car to buy?
It scores 7.6 out of 10 on our NHTSA-based read of 167 owner complaints. The main thing to watch is airbags. Typical failure occurs around 75,244 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 2009 Infiniti G37?
Based on NHTSA records, the most-reported issue is airbags, with 84 complaints filed. Typical failure occurs around 75,244 miles. Average repair cost runs about $1,100 at an independent shop.
What's the most expensive thing that goes wrong?
The airbags is one of the costlier repair items. Average repair cost runs about $1,100 at an independent shop. Typical failure occurs around 75,244 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Infiniti G37 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 2009 Infiniti G37?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 167 complaints on file and the costliest repair averaging $1,100, 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.