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Infiniti G

EPA MPG: 20 mpg

Reliability

Overall Reliability

The 2009 G is less reliable than other cars from the same model year.

Most Common Trouble Spots
Common Trouble Spot
Common Trouble Spot

Owner Reported Trouble Spots

The Reliability score is based on our latest subscriber survey of 2009 Infiniti G owners. The owner comments describe problems respondents experienced with this vehicle.

Suspension/Steering

Shocks or struts, ball joints, tie rods, wheel bearings, alignment, steering linkage (includes rack and pinion), power steering (pumps and hoses, leaks), wheel balance, springs or torsion bars, bushings, electronic or air suspension.

What Owners Say

Power steering

"Power steering pressure line corroded enough to cause a leak."

Anonymous A., OH (2009 Infiniti G)
Springs or torsion bars

"Part no longer available via Infiniti, so ordered thru eBay"

Anonymous A., VA (2009 Infiniti G Unsure 3.7-L V6)

Transmission Minor

Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.

What Owners Say

Coolers and lines

"The heater hose broke and spilled coolant on the engine. The car overheated and stopped completely."

Anonymous, MD (2009 Infiniti G)
Slipping transmission

""Transmission slips daily, blinker light shorts out, sensor for gas emissions is rusted and cannot get it off to replace""

Anonymous, NJ (2009 Infiniti G Sport 3.7-L V6)

Electrical Accessories

Cruise control, clock, warning lights, body control module, keyless entry, wiper motor or washer, tire pressure monitor, interior or exterior lights, horn, gauges, 12V power plug, USB ports, alarm or security system, remote engine start, heated or cooled seats, heated steering wheel, headlights, automatic headlights, automatic wipers, wireless charging pad.

What Owners Say

Gauges

"Some gauge lights often do not turn on. This seems to happen in quadrants of the tachometer and speedometer displays. It seems to vary, but some lights are consistently off."

Anonymous, AZ (2009 Infiniti G Journey 3.7-L V6)

Body Hardware

Windows, locks and latches, doors or sliding doors, tailgate, trunk or hatch, mirrors, seat controls (power or manual), seat belts, sunroof, convertible top, glass defect.

What Owners Say

Seat controls - power

"Motor for auto seat came apart"

Anonymous, NJ (2009 Infiniti G Sport 3.7-L V6)

Exhaust

Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.

What Owners Say

Exhaust leaks

"Discovered during state safety inspection; part no longer available from Infiniti, so had to order from 3rd party; dealer installed it"

Anonymous A., VA (2009 Infiniti G Unsure 3.7-L V6)

Engine Major

Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.

What Owners Say

Other major engine problem

"Oil discovered leaking from the valve gaskets on my Infiniti G37s on drivers side of engine. Vehicle has relatively low mileage but it is older. Valve gaskets on both side replaced."

Anonymous, FL (2009 Infiniti G Sport 3.7-L V6)

In-car Electronics

Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.

What Owners Say

External music device interface (e.g., smart phone, MP3 player)

"There was complete failure of console that controls music, air conditioning, navigation, back-up display, Bluetooth interface, etc. Replacement is no longer available from Infiniti and there is no after-market option that I could find."

Anonymous, AZ (2009 Infiniti G Journey 3.7-L V6)

Noises/Leaks

Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.

What Owners Say

Air or water leaks

"sun roof water leak at infiniti dealer"

Anonymous, NJ (2009 Infiniti G Journey 3.7-L V6)

Drive System

Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.

Paint/Trim

Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.

Climate System

AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.

Brakes

Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.

Engine Minor

Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.

Engine Electrical

Alternator, starter, hybrid battery replacement, hybrid battery related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, spark plugs and wires failure, auto stop/start.

Transmission Major

Transmission rebuild or replacement, torque converter, premature clutch replacement.

Engine Cooling

Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.

Fuel System/Emissions

Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.

2009 Sedans & Hatchbacks Reliability

This Car
vs. Similar Cars
Reliability History
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Overall Reliability Verdict
POTENTIAL TROUBLE SPOTS
Powertrain
Engine Major
Engine Minor
Engine Cooling
Engine Electrical
Transmission Major
Transmission Minor
Drive System
Fuel System/Emissions
Exhaust
Suspension/Steering
Brakes
Climate System
Build Quality
Electrical Accessories
Body Hardware
Paint/Trim
Noises/Leaks
In-car Electronics
Reliability indicates how models have performed in the past, providing the basis for predicting how the vehicles will hold up in the year ahead. These charts provide the most comprehensive reliability information available to consumers. Based on information received from our latest subscriber survey for about 380,000 vehicles, our reliability history charts give you a rundown on how 2000 through 2025 vehicles are holding up in 20 potential trouble spots, ranging from the engine, transmission, electric motor, EV charging, and brakes, to power equipment and the electrical accessories.
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