1999 Infiniti G20: common problems
Owners of the 1999 Infiniti G20 filed 7 complaints with NHTSA, most often about seats and electrical system. Details by component below, with sources.
Key figures
- Owner complaints
- 7
- involving a crash
- 1
What fails most often
- 1 Seats 43% of all complaints
- 2 Electrical system 14% of all complaints
- 3 Engine and cooling 14% of all complaints
- 4 Exterior lighting 14% of all complaints
- 5 Steering 14% of all complaints
- 6 Structure 14% of all complaints
- 7 Visibility 14% of all complaints
- Seats: 3 complaints (43% of all), 1 of them with a crash reported by the owner.
- Electrical system: 1 complaints (14% of all).
- Engine and cooling: 1 complaints (14% of all).
- Exterior lighting: 1 complaints (14% of all).
- Steering: 1 complaints (14% of all).
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 2 L · petrol · 4 cyl
- automatic, 4-speed
- manual, 5-speed
Drive: FWD
Symptoms owners describe
How many of the 7 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Seats | 3 | 1 | 0 |
| Electrical system | 1 | 0 | 0 |
| Engine and cooling | 1 | 0 | 0 |
| Exterior lighting | 1 | 0 | 0 |
| Steering | 1 | 0 | 0 |
| Structure | 1 | 1 | 0 |
| Visibility | 1 | 1 | 0 |
| Other | 1 | 1 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Intermittently ignition would not start. Dealership was notified, but did not resolve the problem. Dealer replaced ignition cylinder.
The headlight connector continues to burn-out even after replacement.
Consumer states that the drivers seat will not lock properly.dealer was contacted.
All passengers complain of co2 related physical side effects.
When the car is shifted in reverse and as the car moves backward, the driver seat reclines involuntarily and without warning.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 12,538 of 36,656 model years in the NHTSA data (top 34% most complained about).
On average one model year of the G20 has 9 complaints (10 years in the data). This year has 7, below average.
What to check before buying
- Seats. Occupant sensor, power adjustment, seat mounts.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Exterior lighting. Headlamps, leveling, sensors and mounts after a frontal hit.
Other years of this model
Questions and answers
What are the most common problems with the 1999 Infiniti G20?
Owner complaints to NHTSA most often mention: seats, electrical system, engine and cooling. Total complaints: 7. The most frequent symptoms in complaint texts: headlights and tail lights (14%), won't start (14%), steering or power steering problems (14%).
How many service bulletins (TSB) were issued for the 1999 Infiniti G20?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 1999 Infiniti G20 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 1999 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.