Problems · NHTSA complaints

2007 Infiniti G-Class problems

Owners filed 115 complaints about the 2007 Infiniti G-Class with NHTSA between Jan 2007 and Apr 2026. The most-cited component is air bags (30).

Complaints
115
Filed with NHTSA
Crashes
8
Reported by owners
Fires
1
Reported by owners
Injuries
6
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Air bags30
  2. Electrical system20
  3. Power train14
  4. Engine10
  5. Structure9
  6. Engine and engine cooling9
  7. Seats7
  8. Vehicle speed control7
  9. Service brakes6
  10. Visibility5
  11. Fuel/propulsion system4
  12. Electronic stability control (esc)4
  13. Visibility/wiper4
  14. Tires4

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Oct 30, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
200713
20087
20097
20108
20117
20121
20139
201413
20155
20166
20176
20186
201912
20202
20212
20228
20231
20240
20251
20261

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Air bags

30 reports3 crashes
“The contact owns a 2007 Infiniti G35. The contact stated that the key was inoperable. The vehicle failed to move into the accessory position. The contact called a locksmith, who was unable to assist. The cylinder lock was fractured. The contact obtained a part from a junkyard. The vehicle was taken to an independent mechanic, where it was diagnosed, and determined that the ignition cylinder and the air bag module needed to be replaced. The contact discovered that the air bag module had been disconnected. The local dealer was not contacted. The vehicle was not diagnosed or repaired, rendering it inoperable. The manufacturer was not contacted. The failure mileage was approximately 55,000.”
Owner complaint to NHTSAFiled Apr 3, 2026Electrical system, Air bagsODI 11729086

Electrical system

20 reports1 fire
“I am having issues with the fuel system, gas gauge doesn’t read correctly, my car doesn’t allow me to put in more than $2 of fuel every few minutes, I have been stranded on the road twice now because the gauge doesn't read correctly, I have replaced everything to replace and the problem still persists, This is unsafe and very unfortunate to have to deal with”
Owner complaint to NHTSAFiled Feb 19, 2022Electrical system, Fuel/propulsion systemODI 11453054

Power train

14 reports1 crash
“powertrain control module my car keeps dying out at stop lights and on freeway Yes by a service center Auto care Precision Tune Autocare just dying out on freeway when have to stop and go on freeway. It started doing this about 4 weeks ago as of today. 6/7/2021”
Owner complaint to NHTSAFiled Jun 8, 2021Power trainODI 11420143

Engine

10 reports
“The contact owns a 2007 Infiniti G35. The contact stated that while operating the vehicle, a ticking noise was present coming from the engine compartment. While her son was driving approximately 35 MPH, the vehicle suddenly stalled. The vehicle was towed to the dealer who diagnosed that the engine was faulty and needed to be replaced. The vehicle was not yet repaired. The manufacturer was not notified of the failure. The failure mileage was 180,000.”
Owner complaint to NHTSAFiled Mar 11, 2022EngineODI 11456270

Structure

9 reports
“after being garaged for over 10 years the rear cross body member has severe rust rendering the car unsafe to drive . The rest of the body has little to no rust. I was unable to climb under the car to get better pictures but I did visually confirm while at my mechanics garage.”
Owner complaint to NHTSAFiled Feb 17, 2023StructureODI 11507776

Engine and engine cooling

9 reports
“TL* THE CONTACT OWNS A 2007 INFINITI G35. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 40 MPH, THE ENGINE STALLED WITHOUT WARNING. THE VEHICLE WAS ABLE TO RESTART AFTER MULTIPLE ATTEMPTS. THE VEHICLE WAS TAKEN TO THE DEALER, WHO RECOMMENDED REPROGRAMMING THE ECM AND THE TCM SYSTEM. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN: 03V455000 (ENGINE AND ENGINE COOLING). THE APPROXIMATE FAILURE MILEAGE WAS 110,000.”
Owner complaint to NHTSAFiled Nov 3, 2014Engine and engine cooling, EngineODI 10652227
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 30, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.