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Key Takeaways:

Infiniti vehicles tend to have issues with the transmission, engine, and electrical systems.
Common transmission problems include hesitation, slipping, and jerking.
Frequent engine issues involve excessive oil consumption, knocking or ticking noises, and engine stalling.
Electrical problems often relate to the amplifier, navigation system, and warning lights malfunctioning.
Other problematic areas include the climate control system, fuel system, brakes, and steering.
Proper maintenance and repairs as soon as an issue arises can help prevent more significant problems down the road.
Infiniti is the luxury vehicle division of Japanese automaker Nissan. While Infiniti cars offer many premium features and a comfortable ride, they are not without their flaws. Here are some of the most common issues reported by Infiniti owners:

Transmission Problems

The transmission is one of the most reported problem areas on Infiniti vehicles. Some common transmission issues include:

Hesitation or jerking when shifting gears
Transmission slipping leading to loss of power
Delayed engagement when shifting into gear
Unusual noises coming from the transmission
Complete transmission failure
Transmission problems can start as minor issues and get progressively worse if not addressed quickly. Proper transmission fluid maintenance and regular inspection by a mechanic can help detect issues early.

Engine Problems

As with most vehicles, the engine is another prime source of headaches for Infiniti owners. Some frequent engine problems are:

Excessive oil consumption resulting in low oil levels
Knocking or ticking noises from the engine
Stalling or misfiring, especially when idling
Lack of power during acceleration
Oil leaks
Engine overheating
These engine problems point to issues like worn-out piston rings, bad valves, timing chain stretch, and clogged oil passages. Scheduling regular tune-ups and oil changes helps keep the engine in good working order.

Electrical System Issues

Like other complex luxury vehicles, Infinitis have their fair share of electrical gremlins. Some electrical problems owners report are:

Amplifier failures causing audio system malfunctions
Navigation system freezing or malfunctioning
Various warning lights illuminating for no reason
Power windows and radio glitches
Battery draining for no apparent reason
Tracking down electrical issues can be tricky. Working with an experienced Infiniti mechanic can help diagnose any wiring faults or software bugs.

Other Problem Areas

Some other common trouble spots for Infiniti cars include:

Climate control system not maintaining proper temperature
Fuel system issues causing poor fuel economy
Brake problems like squishy pedal feel or pulsation
Steering system concerns such as loose steering or vibration
Suspension noises and premature wear
Carefully listening and feeling for any new vibrations, noises, or sensations when driving can help identify emerging issues before they become major repairs.

Maintain and Inspect Frequently

While all cars will have some problems, proper maintenance and care can minimize issues with Infiniti vehicles. Follow the recommended factory maintenance schedule for oil changes, fluid flushes, tire rotation, and other inspections. Also have a trusted mechanic check over your Infiniti at least once a year. Catching problems early is always the best way to avoid breakdowns and costly repairs down the road. With diligent preventative maintenance, your Infiniti can remain reliable and enjoyable for many years.

Thanks, but I have one and it doesn't have any of the above problems, it very much depends how you take care of your car and also the production year.