2018 Chevrolet Impala Problems and Top Complaints – Is Your Car A Lemon?

Brake, electrical, and engine issues among the top complaints received by the NHTSA from vehicle owners


2018 Chevrolet Impala

The 2018 Chevrolet Impala is one of GM’s full-size car options. The newest lineup claims to be made “exclusively for everyone,” but there is a multitude of owners that don’t agree. This model suffers from a defective electrical system, malfunctioning brakes and a faulty engine.

 

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Problems with the Electrical System

The electrical system of a vehicle contains the battery, starter and alternator, but also includes all of the lighting and features. When something goes wrong with this system, it could cause massive problems or simply lead to some nuisance troubles.

One complaint on the NHTSA website talks about something more severe. “I went to the store and came out to leave. I attempted to start my car and the radio came on, lighting in the car flashed a couple of times and then I tried again. Then it started making a clicking sound.”

While there isn’t more information given, it’s clear that either the battery or alternator suddenly died. This is annoying and can cause trouble in a person’s life, especially if they are trying to get to work on time. Yet, these aren’t the only electrical complaints. Even GM has nearly 80 electrical-related communications in the database, which shows some serious concerns. Service Bulletin #18NA266 illustrates one of the annoying electrical problems by stating that drivers are complaining of an intermittent blank or flickering driver information center. The moral of the story is that the Impala is “for everyone,” unless the owner wants to start the vehicle or read the relevant system information.

Problems with the Brakes

The brakes of any vehicle are essential for stopping before an accident occurs. The trouble with the 2018 Chevy Impala is that this model doesn’t want to stop.

Read this NHTSA review. “In February 2019, I purchased a 2018 Chevy Impala Premier. Upon driving the car I noticed that the brakes were not working like my 2018 Chevy Camaro but I chucked it up to the car being heavier and paid it no attention. For months I have been thinking that maybe I just need to get used to the brakes on my new car and that it was nothing. While I drive at normal speeds (40-45 mph) my car slide an extra 5-10 feet more than it is supposed to every time. Yesterday while braking, my brakes just totally did not respond causing me to hit the back of another driver. I was driving about 30 mph literally just turning out of a shopping plaza when the accident happened. I started to press the brakes about 50 meters ahead and my car did not budge nor did it begin to stop. It continued to drive at the same speed until I prompted to turn and braced for the collision. I hit the back passenger bumper and the sidewalk bringing my car to a halt. This incident which prompted me to look further brought me online to see that there is a recall for the Chevy Impala brakes working improperly. It says that it is on some Impalas and I believe that mine is one of them.”

The recall being referenced in the above complaint is labeled with NHTSA Campaign Number 18V576000. It states that there was an insufficient coating on the rear brake caliper pistons that could lead to a reduction in braking performance and cause an accident. This massive recall affects more than 200,000 vehicles, meaning that there are a lot of GM cars out there that can’t brake properly. Instead of being “exclusively for everyone,” it appears this model is attempting to hurt everyone in an accident. It’s a death trap on wheels.

Problems with the Engine

The engine is the heart of any vehicle. It gives the vehicle power and helps it to move. When the engine doesn’t work as it should, every drive becomes more cumbersome.

One NHTSA complaint talks about some engine troubles. “Stabilitrack and engine light came on at the same time with a message that said, ‘Engine Power is Reduced.’ This occurred as I was driving on the highway. The vehicle gradually slowed, but I was able to maintain a speed of 55 mph. I was unable to accelerate quickly.”

Again, there is a long list of engine-related communications with the automaker, further proving how poorly this system has been built. Chevy fans are sure to be disappointed when they read things such as Service Bulletin #PIP5163D, which discusses excessive engine oil consumption, cylinder bore damage, cylinder leakage or blow-by. None of these instances should be anything that new car owners should need to worry about, but with the Impala, they do. At this point, it shouldn’t surprise anyone to know that loyal Chevy owners are considering making the jump to the Blue Oval instead. While those vehicles might not be “exclusively for everyone,” they might just keep drivers safe.

Your Lemon Law Legal Rights

Think you have a lemon? Sit back and let the experts work aid your lemon at no cost to you. The law makes Chevrolet pay legal fees. You may be able to get your lemon out of your life. Every year, auto manufacturers buy back, replace or pay cash settlements to thousands of ‘lemon’ owners like you.

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About the Author:

Brian Jones spent more than 20 years working as an ASE Certified Master Tech and Parts Specialist at multiple dealerships. Brian has become an authority in the industry, traveling across the country to consult for car dealerships and contributing his expertise as a writer for several major automotive publications. In his spare time, Brian enjoys working on pickup trucks, muscle cars, Jeeps and anything related to motorsports.

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2 COMMENTS
  • Yadira a

    I have leased the 2015 Chevy impala, 2018 Chevy Malibu and currently have the 2018 Chevy impala premier all have given me ISSUES with engine failure!!! I traded in the 2015 impala for the Malibu and it was worse then speed reduced to 10mph on a busy freeway I could have been killed. The dealership was if no help and would not fix it because they didn’t know what was wrong with it. I drive it to Honda on the same day and traded it for a 2019 Honda sport but Then in 2020 my husband found the black impala premier I had originally wanted with a sunroof so he got it a a very low price as a gift for me thinking that whatever happened with the other cars had most likely been fixed by now. Wrong!!! The car is less than 2yrs old with 52,900 miles and the engine light went on!!! Please don’t buy Chevy at all after this I’m done with chevy. I have a service appt tomorrow morning and we’ll see if they make me pay out of pocket if so I might just sue them Which is what I should have done in the first place.

  • Gearhead

    I’ve owned a 2018 Impala LT for 18 mths and had zero problems with the car

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