Your membership has expired

The payment for your account couldn't be processed or you've canceled your account with us.

Re-activate

Infiniti G

EPA MPG: 23 mpg

Reliability

Overall Reliability

The 2012 G has about average reliability compared to 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 2012 Infiniti G owners. The owner comments describe problems respondents experienced with this vehicle.

Exhaust

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

What Owners Say

Catalytic converter

"Failed and cost me $4000"

Anonymous, MD (2012 Infiniti G X 3.7-L V6)

"Sporadic problem"

Anonymous A., MS (2012 Infiniti G Journey 3.7-L V6)
Other/unsure

""Airbag sensor replacement. Warning light intermittent for 2 months. Contacted dealer, who ordered the control unit. Once control unit was delivered to the dealer installation required about 3 hours total labor. Issue resolved.""

Anonymous, ID (2012 Infiniti G Sport 3.7-L V6)

"The problem with losing cruise control all the time"

Anonymous A., ON (2012 Infiniti G X 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

"As described earlier, sunroof ports clog and resultant flooding result in rusted out front frame, severe water accumulation in car interior, and shorting out keyless entry and inconsistent dashboard functions."

Anonymous, NY (2012 Infiniti G)
Seals and/or weather-stripping

"Because the drainage ports in the sunroof clog easily with dirt, tree sap and debris, the car frequently floods in heavy rains, resulting in rusting out the front frame, and shorting the keyless entry system."

Anonymous, NY (2012 Infiniti G)

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

Headlights

""condensation in headlight assembly , 2800.00 a side to replace..which is over 10% the cost of a brand new version of this car!""

Anonymous, AB (2012 Infiniti G Sport 3.7-L V6)
Other electrical system problem

"Only the driver door stopped locking and unlocking with the fob. Had to be locked manually with the key or switch inside. All other doors worked fine."

Anonymous, WI (2012 Infiniti G X 3.7-L V6)

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.

What Owners Say

Other engine starting/ignition problem

"Fuel gauge broke and the car catastrophically stopped dead in the road while showing 1/4 tank of gas . I could have been killed."

Anonymous, MD (2012 Infiniti G X 3.7-L V6)

Climate System

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

What Owners Say

Blower (fan) motor

"HVAC blower motor suddenly stopped working. Needed to be replaced."

Anonymous, CA (2012 Infiniti G Journey 2.5-L V6)

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

Wheel bearings

"We recently drove from our previous home in Westchester County, NY, to our new apartment in Boynton Beach, FL. About 2/3 of the way there, we noticed a noise coming from the left front wheel. We stopped off at an Infiniti dealership in Charleston, SC, and they diagnosed the problem and (luckily) actually had the replacement part that fit our car. Although it cost over $1,000, it was repaired in one day and we were back on the road with no further issues."

Anonymous A., FL (2012 Infiniti G X 3.7-L V6)

Engine Cooling

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

What Owners Say

Antifreeze leaks

""There was an antifreeze smell in the cabin when idling, and I was having to top up the coolant expansion tank. It was caused by a plastic connector in the heater hose. This is a very common fault on the VQ37 engine. I was able to replace it with a metal one so this is less likely to happen again.""

Anonymous A., TN (2012 Infiniti G Journey 3.7-L V6)

Transmission Minor

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

Engine Major

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

Brakes

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

Transmission Major

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

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.

Engine Minor

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

Paint/Trim

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

In-car Electronics

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

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.

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.

2012 Sedans & Hatchbacks Reliability

This Car
vs. Similar Cars
Reliability History
* Redesign year
00
01
02
03*
04
05
06
07*
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
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.
Change Vehicle