The Verdict
Worst problem area
Electrical
Electrical leads by volume: 221 of 533 complaints (41%) mention it. Complaints mentioning Airbags & Restraints include more reported injuries (5) than those mentioning any other identified area.
At a glance
- NHTSA complaints
- 533
- Recall campaigns
- 7
- EPA fuel cost per year
- $3,300–$4,050
- Combined MPG
- 19–20
Complaints by model year
Where owners report problems
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Cost, Fuel Economy & Complaint History
| Category | 2003 | 2004 | 2005 | vs. 2003 Compact Cars |
|---|---|---|---|---|
| Annual fuel cost ($) | 3,300–4,050 | 3,100–4,050 | 3,300–4,050 | |
| Combined MPG | 19–20 | 18–20 | 18–20 | |
| City / Highway MPG | 17 / 24 | 16–17 / 22–24 | 16–17 / 22–24 | |
| CO₂ tailpipe (g/mi) | 444–468 | 444–494 | 444–494 | |
| Complaints filed | 533 | 244 | 215 | |
| Recalls issued | 7 | 3 | 1 | |
| Crash-involved complaints | 15 | 17 | 9 | |
| Fire-involved complaints | 5 | 5 | 5 | |
| Injuries reported | 5 | 8 | 12 | |
| Deaths reported | 0 | 3 | 1 | |
| Configurations compared | 3 | 5 | 4 |
Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.
Common questions
How many recalls does the 2003 Infiniti G35 have?
7 NHTSA recall campaigns as of Nov 7, 2026. Check your VIN with NHTSA to see whether one applies to your car.
What is the most common complaint about the 2003 Infiniti G35?
Electrical: 221 of 533 NHTSA complaints (41%) mention it.
What gas mileage does the 2003 Infiniti G35 get?
EPA rates it 19–20 MPG combined across 3 configurations.
How much does it cost to fuel a 2003 Infiniti G35?
EPA estimates $3,300–$4,050 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (3)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Manual 6-spd | 6 | 3.5L | Rear-Wheel Drive | Premium | Compact Cars | 17 mpg | 24 mpg | 20 mpg (high) | $3,850 | 444 g/mi (low) |
| Configuration 2 | Automatic (S5) | 6 | 3.5L | Rear-Wheel Drive | Regular | Compact Cars | 17 mpg | 24 mpg | 19 mpg (low) | $3,300 (low) | 468 g/mi (high) |
| Configuration 3 | Automatic (S5) | 6 | 3.5L | Rear-Wheel Drive | Premium | Compact Cars | 17 mpg | 24 mpg | 19 mpg (low) | $4,050 (high) | 468 g/mi (high) |
Complaints by Category
| Category | Complaints | Crash-Involved | Fire-Involved | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 122 | 1 | 2 | 0 | 0 |
| Transmission & Drivetrain | 22 | 0 | 0 | 0 | 0 |
| Fuel System | 15 | 0 | 0 | 0 | 0 |
| Electrical | 221 | 3 | 3 | 0 | 0 |
| Brakes | 59 | 2 | 0 | 0 | 0 |
| Steering | 1 | 0 | 0 | 0 | 0 |
| Suspension, Wheels & Tires | 11 | 0 | 0 | 0 | 0 |
| Airbags & Restraints | 23 | 6 | 0 | 5 | 0 |
| Driver Assistance & Speed Control | 12 | 2 | 0 | 0 | 0 |
| Body, Seats & Latches | 25 | 2 | 0 | 0 | 0 |
| Visibility & Lighting | 129 | 1 | 0 | 0 | 0 |
| Other | 56 | 2 | 1 | 0 | 0 |
A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.
Recalls (7)
POWER TRAIN:CLUTCH ASSEMBLY
- Defect
- ZF SERVICE IS RECALL CERTAIN CLUTCH KIT ASSEMBLIES, PART NUMBER SX: K70358-01, SHIPPED TO WHOLESALERS AS SERVICE PARTS BETWEEN SEPTEMBER 1, 2010, AND MARCH 8, 2011. THESE SERVICE PARTS ARE INTENDED FOR USE ON MODEL YEAR 2003-2006 NISSAN 350Z AND INFINITI G35 VEHICLES. THE SX: K70358-01 CLUTCH KIT CONTAINS AN OVERSIZED CLUTCH DISC.
- Consequence
- AN OVERSIZED CLUTCH DISC COULD CAUSE THE VEHICLE TO MOVE UNINTENTIONALLY ON THE INITIAL START-UP, IF THE DRIVER DOES NOT FOLLOW THE INSTALLATION INSTRUCTIONS AND FAILS TO USE THE SERVICE BRAKES WHILE THE HAND BRAKE IS NOT APPLIED. UNINTENTIONAL MOVEMENT OF THE VEHICLE COULD RESULT IN A CRASH OR POSSIBLE INJURY TO PERSONS OUTSIDE THE VEHICLE.
- Remedy
- ZF SERVICE NOTIFY WHOLESALERS TO RETURN ANY AFFECTED CLUTCH KIT ASSEMBLIES STILL IN INVENTORY FOR FREE REPLACEMENT KITS. THIS CONDITION WILL CORRECT ITSELF AFTER THE FIRST START-UP AND USAGE OF THE CLUTCH KIT. HOWEVER, IF AN OWNER IS NOT SATISFIED WITH ITS PERFORMANCE, ZF SERVICES WILL REIMBURSE THE OWNER FOR THE COST OF THE REPLACEMENT CLUTCH KIT AND A REASONABLE AMOUNT FOR ITS INSTALLATION. THE SAFETY RECALL BEGAN ON JULY 13, 2011. OWNERS MAY CONTACT ZF SERVICES AT 1-800-321-0784 EXT. 6748.
EXTERIOR LIGHTING
- Defect
- CERTAIN AAI MOTORSPORTS COMBINATION LAMPS SOLD AS REPLACEMENT LAMPS FOR USE ON THE ABOVE LIST PASSENGER VEHICLES. COMBINATION LAMPS NOT EQUIPPED WITH AMBER SIDE REFLECTORS FAIL TO CONFORM WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT."
- Consequence
- LACK OF AMBER SIDE REFLECTORS IN THE LAMPS WILL DECREASE LIGHTING VISIBILITY TO OTHER DRIVERS AND MAY POSSIBLY RESULT IN A VEHICLE CRASH
- Remedy
- AAI MOTORSPORTS WILL NOTIFY OWNERS AND REPLACE THE LAMPS FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 1, 2006. OWNERS MAY CONTACT AAI MOTORSPORTS AT 909-923-9188.
FUEL SYSTEM, GASOLINE
- Defect
- ON CERTAIN PASSENGER AND SPORT UTILITY VEHICLES, THE FUEL FILLER HOSE MAY CRACK AND RESULT IN FUEL LEAKAGE FROM THE HOSE WHILE REFUELING.
- Consequence
- FUEL LEAKAGE IN THE PRESENCE OF AN IGNITION SOURCE COULD RESULT IN A FIRE.
- Remedy
- DEALERS WILL REPLACE THE FUEL FILLER HOSE. RECALL BEGAN ON FEBRUARY 27, 2006, FOR NISSAN OWNERS, AND ON MARCH 13, 2006, FOR INFINITI OWNERS. OWNERS MAY CONTACT NISSAN AT 1-800-647-7261 OR INFINITI AT 1-800-662-6200.
ENGINE AND ENGINE COOLING
- Defect
- ON CERTAIN PASSENGER VEHICLES, THE CIRCUIT BOARD FOR THE CRANK POSITION SENSOR OR CAM POSITION SENSOR MAY HAVE AN IMPROPER SOLDER JOINT DUE TO SOLDER DEFORMATION CAUSED BY HEAT STRESS ACCELERATED BY THE EXISTENCE OF FLUX RESIDUE DURING THE SOLDERING PROCESS.
- Consequence
- THIS COULD CAUSE THE "SERVICE ENGINE SOON" WARNING LIGHT TO COME ON, CREATE A NO START CONDITION, CAUSE REDUCED ENGINE POWER, OR CAUSE THE ENGINE TO STOP RUNNING WITHOUT WARNING DURING VEHICLE OPERATION, WHICH COULD RESULT IN A CRASH.
- Remedy
- DEALERS WILL REPLACE THE CRANK POSITION SENSORS. CAMSHAFT POSITION SENSOR(S), AND IN SOME CASES, THE VARIABLE TIMING CONTROL SENSOR(S). VEHICLES INVOLVED IN A PREVIOUS RECALL CAMPAIGN, 01V357, ARE ALSO INCLUDED IN THIS NEW CAMPAIGN. THE REPLACEMENT SENSORS USED IN THAT CAMPAIGN ARE ALSO AFFECTED. OWNER NOTIFICATION BEGAN ON DECEMBER 22, 2003. OWNERS SHOULD CONTACT NISSAN AT 1-800-647-7261 OR INFINITI AT 1-800-662-6200.
EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH
- Defect
- ON CERTAIN SEDAN AND COUPE MODEL VEHICLES, THE BRAKE STOP LAMP SWITCH MAY MALFUNCTION.
- Consequence
- IF THIS OCCURS, THE BRAKE LAMPS WILL NOT ILLUMINATE WHEN THE BRAKE IS APPLIED, WHICH COULD RESULT IN A CRASH WITHOUT WARNING.
- Remedy
- DEALERS WILL REPLACE THE BRAKE LAMP SWITCH. OWNER NOTIFICATION BEGAN ON JUNE 23, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT INFINITI AT 1-800-662-6200.
EXTERIOR LIGHTING:HEADLIGHTS
- Defect
- CERTAIN SEDANS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." IN THE ASSEMBLY OF THE HEADLAMPS, IT IS NECESSARY TO HAVE A MEANS TO ADJUST THE HEADLAMPS. TAMPERPROOF CAPS TO PREVENT HORIZONTAL ADJUSTMENT OF THE HEADLAMPS ARE THEN INSTALLED. SOME OF THESE VEHICLES ARE MISSING THE TAMPERPROOF CAPS.
- Consequence
- Remedy
- DEALERS WILL INSTALL THE MISSING TAMPERPROOF CAPS ON THE HEADLAMP ASSEMBLIES. OWNER NOTIFICATION BEGAN JANUARY 20, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT INFINITI AT 1-800-662-6200.
FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
- Defect
- ON CERTAIN PASSENGER VEHICLES, THE FUEL HOSE CONNECTION FOR THE OUTLET OF THE FUEL PUMP WHICH IS LOCATED AT THE TOP OF THE FUEL TANK MAY NOT HAVE BEEN PROPERLY ATTACHED WHEN THE VEHICLE WAS ASSEMBLED AND COULD COME LOOSE WHILE DRIVING OR WHEN STARTING THE ENGINE.
- Consequence
- IF THE CONNECTION COMES LOOSE WHILE DRIVING, THE ENGINE WILL STOP RUNNING DUE TO LACK OF FUEL, INCREASING THE RISK OF A CRASH. ALSO, IF THE CONNECTION COMES LOOSE WHILE DRIVING OR ATTEMPTING TO START OR RESTART THE ENGINE, SOME FUEL WILL DISCHARGE FROM THE FUEL PUMP. IF THIS SHOULD OCCUR IN THE PRESENCE OF AN EXTERNAL IGNITION SOURCE, A FIRE COULD RESULT.
- Remedy
- DEALERS WILL INSPECT AND, IF NECESSARY, PROPERLY ATTACH THE FUEL HOSE TO THE FUEL PUMP. OWNER NOTIFICATION IS EXPECTED TO BEGIN OCTOBER 7, 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT INFINITI AT 1-800-662-6200.