Problems › Chevrolet › 2020 Impala
2020 Chevrolet Impala Problems & Owner Complaints
Age-normalised, this year draws ~2.1 complaints per year on the road — ranking 11 of 11 Chevrolet Impala years we track (1 = most complaints per year).
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What owners report
Electrical System is the most-reported problem area on the 2020 Chevrolet Impala, cited in 3 of 15 filed complaints (20%).
Steering is next (3 complaints, 20%), followed by Air Bags (2), Fuel/Propulsion System (2), Power Train (2).
Across all complaints, 3 report a crash, 1 report injuries.
The most safety-critical cluster is Air Bags: 2 crash, 1 injury report(s).
Complaints by vehicle system
Owner complaints filed with the U.S. NHTSA for the 2020 Chevrolet Impala, grouped by the vehicle system each cites. A single complaint can name more than one system, so the group totals can add up to more than 15.
Unknown Or Other 7 1 crash
“The component is the Evaporative Emission Control System (EVAP) Vapor Canister Purge Valve.The internal diaphragm or solenoid of the factory-installed purge valve has worn out prematurely or became contaminated, locking it permanently into a stuck-open position.The Manifestation or (Symptoms): The stuck-open valve continuously drafts raw fuel vapor and unmetered air into the engine intake manifold. This causes an improper air-fuel mixture, resulting in:Stumbling / Failure to Start Immediately After Refueling (the engine is flooded by gas tank vapors forced in during fill-up).Rough Idling (due…”
NHTSA complaint #11744373, 2026 · crash
“On XXX | purchased a 2020 Chevrolet Impala, VIN [XXX], from NYS Office of General Services via GovDeals Inventory #200075. OGS Bill of Sale #XXX stated 59,145 miles and Clean Title. Carfax shows: 1. 90,803 miles on 12/16/2024 while in OGS possession 2. Total Loss declared 5/21/2025 3. Accident with rear damage 5/21/2025 not disclosed Actual odometer reading on 7/3/2026: 99,241 miles. OGS rolled back 31,658 miles and sold Total Loss vehicle as Clean Title. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)”
NHTSA complaint #11750719, 2026
“I Took My Car To Castle Villa Park On July 8 2025 And Explained To Tony That Check My Car In That It Sound As If It Was A Hub Bearing My Car Was Dropped Off At 7:00 AM Until Around 1:00PM I Was Told I Need A Tire To See If It Was My Hub Bearing Which Didn’t Make Sense To Me So I Ask For A Supervisor I Was Then Inform That They Could Tell If They Switch My Tires Later On I Was Told It Was A Tire Came Took My Car To Firestone This Sat 07/19/2025 I Was Told I Didn’t Need Tires It Is In Fact Both Of My Hub Bearing So I Paid 100.00 Diagnostic Fee To Castle And Risking My Life Driving My Car When T…”
NHTSA complaint #11674888, 2025
Electrical System 3
“Seatbelt warning and blinkers have no sound warnings and driver side blind spot warning are not working”
NHTSA complaint #11685539, 2025
“I purchased this vehicle in a CHEVY DEALERSHIP in palatine, IL. [XXX]. 50k miles a chevy impala around 38k total with taxes and all. A month later I had to pay 200 for a diagnostic at the dealership to check an issue with the steering. They said nothing was wrong with it and it was just the floor mat making contact in the floor. When I returned home, I had the same issue occur AGAIN. I retook it and they wanted another 200 dollars. I complained to the seller of this vehicle, and he agreed to waive these 200 dollars. When it was rechecked, it was found out that it actually had to replace the wh…”
NHTSA complaint #11651689, 2025
“The air conditioner tube was off inside the vehicle and caused massive leaking in the carpets. Causing mold to grow excessively under the floor mats, in the carpets, under the seats, etc. Which as a result led to electrical issues. It’s being looked into by a senior member at GM for months now, nothing is being done. Radley Chevy in Fredricksburg Virginia hasn’t done anything for us either. My family is now having respiratory issues due to the mold issue.”
NHTSA complaint #11436029, 2021
Steering 3
“2020 Chevrolet Impala Premier purchased July, 2015, mileage: + or - 12 miles I started having hard steering and made several trips to the dealer while under warranty and the dealer could not gen an OBD reading and no on dash reading. Right after the warranty was up and at 5,322 miles they were able to get an OBD reading. Information from the dealer invoice: A multi-point inspection DI1 Multi-Point inspection 716106 CPC B C/S veh is hard to steer at times- acts like it has no electric steering ADV cause: DTC O800 power steering control module low vol…”
NHTSA complaint #11679731, 2025
“I purchased this vehicle in a CHEVY DEALERSHIP in palatine, IL. [XXX]. 50k miles a chevy impala around 38k total with taxes and all. A month later I had to pay 200 for a diagnostic at the dealership to check an issue with the steering. They said nothing was wrong with it and it was just the floor mat making contact in the floor. When I returned home, I had the same issue occur AGAIN. I retook it and they wanted another 200 dollars. I complained to the seller of this vehicle, and he agreed to waive these 200 dollars. When it was rechecked, it was found out that it actually had to replace the wh…”
NHTSA complaint #11651689, 2025
“The contact owns a 2020 Chevrolet Impala. The contact stated that upon parking the vehicle, the "Power Steering - Drive with Care" message appeared on the instrument panel. The contact then attempted to reverse out of the driveway and excessive force was needed to steer the vehicle. The contact restarted that vehicle two hours later and the vehicle resumed normal operation. Neither the dealer nor the manufacturer had been made aware of the failure. The vehicle was not diagnosed or repaired. The failure mileage was approximately 54,000.”
NHTSA complaint #11487030, 2022
Air Bags 2 2 crash 1 injury
“The contact's friend owned a 2020 Chevrolet Impala E. The contact stated that while her friend was driving at 25 MPH and approaching a curve, he inadvertently lost control of the vehicle. As a result, the vehicle left the roadway, rolled, and came to a complete stop with all four wheels facing upwards after colliding with a tree. Though the vehicle rolled on its back no air bags were deployed. No warning lights were illuminated. The vehicle was towed to a tow yard but had yet to be deemed a total loss by the driver's insurance provider. A police report was filed and injuries were reported. Th…”
NHTSA complaint #11622548, 2024 · crash · 1 injury(ies)
“I was in a car accident on June 20, 2023. I was stopped in traffic and was hit in the rear and pushed into the vehicle in front of me. The air bags detonated but did not deploy. The steering wheel and both front seat side air bags had some coming but the airbag did not deploy.”
NHTSA complaint #11528914, 2023 · crash
Fuel/Propulsion System 2 1 crash
“The component is the Evaporative Emission Control System (EVAP) Vapor Canister Purge Valve.The internal diaphragm or solenoid of the factory-installed purge valve has worn out prematurely or became contaminated, locking it permanently into a stuck-open position.The Manifestation or (Symptoms): The stuck-open valve continuously drafts raw fuel vapor and unmetered air into the engine intake manifold. This causes an improper air-fuel mixture, resulting in:Stumbling / Failure to Start Immediately After Refueling (the engine is flooded by gas tank vapors forced in during fill-up).Rough Idling (due…”
NHTSA complaint #11744373, 2026 · crash
“I was driving down the highway in anchorage ak I heard a loud bang like a gunshot , when the vehicle was inspected I was told basically Evap, fuel system , fans , electrical , Cadillac converter exploded was the loud bang ! Serious issues have caused the vehicle to be inoperable !”
NHTSA complaint #11615402, 2024
Power Train 2
“I Took My Car To Castle Villa Park On July 8 2025 And Explained To Tony That Check My Car In That It Sound As If It Was A Hub Bearing My Car Was Dropped Off At 7:00 AM Until Around 1:00PM I Was Told I Need A Tire To See If It Was My Hub Bearing Which Didn’t Make Sense To Me So I Ask For A Supervisor I Was Then Inform That They Could Tell If They Switch My Tires Later On I Was Told It Was A Tire Came Took My Car To Firestone This Sat 07/19/2025 I Was Told I Didn’t Need Tires It Is In Fact Both Of My Hub Bearing So I Paid 100.00 Diagnostic Fee To Castle And Risking My Life Driving My Car When T…”
NHTSA complaint #11674888, 2025
“I purchased this vehicle in a CHEVY DEALERSHIP in palatine, IL. [XXX]. 50k miles a chevy impala around 38k total with taxes and all. A month later I had to pay 200 for a diagnostic at the dealership to check an issue with the steering. They said nothing was wrong with it and it was just the floor mat making contact in the floor. When I returned home, I had the same issue occur AGAIN. I retook it and they wanted another 200 dollars. I complained to the seller of this vehicle, and he agreed to waive these 200 dollars. When it was rechecked, it was found out that it actually had to replace the wh…”
NHTSA complaint #11651689, 2025
Engine 1
“I was driving down the highway in anchorage ak I heard a loud bang like a gunshot , when the vehicle was inspected I was told basically Evap, fuel system , fans , electrical , Cadillac converter exploded was the loud bang ! Serious issues have caused the vehicle to be inoperable !”
NHTSA complaint #11615402, 2024
Exterior Lighting 1
“The contact rented a 2020 Chevrolet Impala. The contact stated that the headlamps failed to produce adequate lighting while driving. There were no warning lights illuminated. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was 40,433. The VIN was not available.”
NHTSA complaint #11431190, 2021
Lane Departure 1
“Seatbelt warning and blinkers have no sound warnings and driver side blind spot warning are not working”
NHTSA complaint #11685539, 2025
Seat Belts 1
“Seatbelt warning and blinkers have no sound warnings and driver side blind spot warning are not working”
NHTSA complaint #11685539, 2025
Seats 1
“The air conditioner tube was off inside the vehicle and caused massive leaking in the carpets. Causing mold to grow excessively under the floor mats, in the carpets, under the seats, etc. Which as a result led to electrical issues. It’s being looked into by a senior member at GM for months now, nothing is being done. Radley Chevy in Fredricksburg Virginia hasn’t done anything for us either. My family is now having respiratory issues due to the mold issue.”
NHTSA complaint #11436029, 2021
Structure 1
“The air conditioner tube was off inside the vehicle and caused massive leaking in the carpets. Causing mold to grow excessively under the floor mats, in the carpets, under the seats, etc. Which as a result led to electrical issues. It’s being looked into by a senior member at GM for months now, nothing is being done. Radley Chevy in Fredricksburg Virginia hasn’t done anything for us either. My family is now having respiratory issues due to the mold issue.”
NHTSA complaint #11436029, 2021
Visibility/Wiper 1
“The back window is leaking and water is getting all on my trunk and ruining my items. Ford did not do a good job of sealing the windows.”
NHTSA complaint #11615752, 2024
How we read this (methodology)
How to read this: raw complaint totals are not a clean reliability score — a model year with more cars sold, or simply more years on the road, accumulates more complaints regardless of how good it is. So this page leans on two signals that are not distorted by sales volume: the share of complaints falling on each vehicle system (the breakdown above) and NHTSA's own crash / fire / injury / death flags. When we compare model years of the same model, we normalise by years on the road (complaints ÷ vehicle age) rather than comparing raw totals. Age-normalised, the 2020 Chevrolet Impala draws about 2.1 complaints per year on the road, ranking 11 of 11 among the Chevrolet Impala model years we have ingested (1 = most complaints per year on road).
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Data source: U.S. NHTSA (nhtsa.gov). SaveVIN surfaces public recall data and is not affiliated with or endorsed by NHTSA.