Before you buy
This 2018 Chevrolet Impala has 58 NHTSA complaints — top issue: Uncategorized Issues.
A model-year pattern isn't the car in front of you. Check this exact VIN for accidents, open recalls, odometer rollback, and salvage titles.
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2018 Chevrolet Impala Fuel Economy
✓ EPA Official DataEPA-rated fuel economy across 3 2018 Chevrolet Impala trim configurations. The median figure is shown; range reflects all available trims.
Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions. 3 trims analysed.
2018 Chevrolet Impala Safety Ratings
NHTSA 5-Star ProgramOfficial crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.
Overall
12.1% rollover risk
Frontal Crash
Side Crash
Rollover
12.1% probability
Source: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.
CHEVROLET IMPALA 2018 has 58 NHTSA complaints, with top issues in Uncategorized (16), Electrical (11), and Transmission (10). One recall exists. Source: NHTSA owner complaints and recall records.
- Make
- Chevrolet
- Model
- Impala
- Model year
- 2018
- NHTSA owner complaints
- 58
- Crash-related complaints
- 6
- Safety recall campaigns
- 1
- Top reported component
- Uncategorized Issues
- Reliability signal
- Severe Issues
- EPA MPG combined
- 22
- EPA MPG city / highway
- 19 / 28
- Fuel type
- Regular Gasoline
- NHTSA overall safety rating
- 5/5 stars
- NHTSA frontal crash rating
- 5/5 stars
- NHTSA side crash rating
- 5/5 stars
- NHTSA rollover rating
- 4/5 stars
- Electronic stability control
- Standard
Common problems
Most common 2018 Chevrolet Impala problems
Top owner-reported complaint areas and where they often appear.
Uncategorized Issues
Electrical Faults
Transmission / Drivetrain
Complaint patterns center on Uncategorized Issues, Electrical Faults, Transmission / Drivetrain. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.
Buyer verdict
Should you buy a used 2018 Chevrolet Impala?
The 2018 Impala may be worth considering if you find a well-maintained example, but the low data confidence means you should prioritize a thorough inspection of electrical and transmission systems.
Electrical and transmission issues can lead to costly repairs, so pre-purchase inspection is critical.
May Suit
This year may suit buyers who prioritize a full-size sedan and are willing to perform detailed pre-purchase checks.
May Want to Avoid
Buyers seeking maximum reliability with minimal risk may want to avoid this year due to the variety of complaint categories.
Pre-purchase
What to check before buying a used 2018 Chevrolet Impala
Inspection Focus
- Inspect electrical system for faults.
- Check transmission for smooth shifting.
- Test brakes for unusual noise or vibration.
Before You Close the Deal
- Investigate Uncategorized Issues by requesting service records.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for electrical and transmission repairs.
- Have a mechanic inspect the vehicle before purchase.
Check the exact car
Shortlist with model-year data. Decide with the exact VIN.
Before buying a used 2018 Chevrolet Impala, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.
AI verdict
What the complaint data suggests
Editorial interpretation of NHTSA public complaint data. Source: nhtsa.gov. Complaints are owner-submitted and do not confirm a defect. Methodology
Based on NHTSA complaint data, the 2018 Chevrolet Impala shows 58 complaints, with top issues in Uncategorized (16), Electrical (11), and Transmission (10). One recall exists. Buyers should inspect these areas carefully.
Year context: Compared to other model years, 2018 has moderate complaint counts, but low confidence limits direct comparison.
Recall context: One recall indicates a known issue, so verify it has been remedied before purchase.
- Uncategorized Issues account for 16 of 58 complaints.
- Electrical Faults total 11 complaints.
- Transmission/Drivetrain issues total 10 complaints.
- Uncategorized Issues (16 complaints)
- Electrical Faults (11 complaints)
- Transmission/Drivetrain (10 complaints)
Full breakdown
All 2018 Chevrolet Impala complaints by category
Every owner-reported complaint category filed with NHTSA for the 2018 Chevrolet Impala. Use this as a pre-purchase inspection checklist.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Uncategorized Issues | 16 | — | — | — | |
| Electrical Faults | 11 | — | — | — | |
| Transmission / Drivetrain | 10 | — | — | — | |
| Brake System | 8 | 5 | — | — | |
| Steering Defects | 7 | — | — | — | |
| Engine Problems | 7 | — | — | — | |
| Airbag Malfunctions | 6 | 1 | — | — | |
| Headlight/Taillight Failures | 4 | 1 | — | — | |
| Seat-Related Issues | 3 | — | — | — | |
| Unintended Acceleration | 2 | — | — | — | |
| Wheel Issues | 2 | — | — | — | |
| Fuel/Propulsion System | 2 | — | — | — | |
| Visibility/Wiper | 2 | — | — | — | |
| Fuel System | 1 | — | — | — | |
| Gasoline | 1 | — | — | — | |
| Hydraulic | 1 | 1 | — | — | |
| Tire Issues | 1 | — | — | — | |
| Door Lock Issues | 1 | — | — | — | |
| Suspension Failures | 1 | — | — | — | |
| Back Over Prevention | 1 | — | — | — | |
| Electronic Stability Control (Esc) | 1 | — | — | — |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
In their words
Real owner complaints
Read what owners actually reported to NHTSA for the 2018 Chevrolet Impala. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
The contact owns a 2018 Chevrolet Impala. The contact stated that while the A/C was activated during the summer of 2025, the A/C failed to function as intended. The contact stated that hot air was blowing through the vents. No warning lights were illuminated. The vehicle was take…
I was driving and parked the car at the store. After checking out I went to the car got ready to leave and started backing out and the car would not turn to the left at all. I took it to the shop and was told they do not see anything wrong with my car but a steering message is co…
Passenger side front seat. When occupied, airbag sensor located inside the seat is malfunctioning. My husbands safety is at risk when he's in the car. He tries moving the seat up, back, etc. Sometimes works and the airbag sensor works. We are fearing that if there were any accide…
The contact owns a 2018 Chevrolet Impala. The contact stated that recently, the driver’s side air bag deployed while the vehicle was parked and unattended overnight. Prior to the failure, the air bag warning light had illuminated while driving. The local dealer was not contacted,…
The contact owns a 2018 Chevrolet Impala. The contact stated while reversing slowly, the brake pedal was depressed; however, the vehicle failed to respond as needed and continued rolling backwards. The contact stated that excessive force was needed to depress the brake pedal to s…
The contact owns a 2018 Chevrolet Malibu. The contact stated that while driving at various speeds, the vehicle hesitated or jerked while depressing the accelerator pedal, with an abnormal humming sound coming from the vehicle. The contact stated that the check engine warning ligh…
The contact owns a 2018 Chevrolet Impala. The contact stated that while attempting to straighten the wheels while in the driveway, the contact discovered that the steering wheel was inoperable. No warning light was illuminated. The contact stated that a dealer was contacted. The …
I was sold a used car w/ undisclosed accidents. Had many issues within first few weeks. Had transmission cooler lines replaced after they burst. Radiator, compressor, condenser, and much more. Then the Airbag light came on. Dealership said connectors were bad. Fixed it. Light cam…
Since vehicle purchase in 2018 there is a shifting problem with the transmission. I have paid for shifter repairs and still the problem exist. While driving the car gets stuck in gear and hard to accelerate. The issue happens at various times without warning. There has been two …
The contact owns a 2018 Chevrolet Impala. The contact stated while driving 45 MPH, the accelerator pedal was depressed but was inoperable. The contact stated that the vehicle failed to accelerate as intended. There was no warning light illuminated. The vehicle was taken to an ind…
The contact owns a 2018 Chevrolet Impala equipped with Goodyear Tires, Tire Line: Assurance, Tire Size: 235/50/R18, DOT Number: MT1PJBUR2920. The contact stated that while the vehicle was in for routine service, it was discovered that all four tires had severe tread separation an…
Power steering suddenly went out when driving without any indication as to why. Took to dealership and very expensive to fix. Only had the car for 6 months
answers to Questions from above 1. EVAPORATOR KIT 84409864 2. Not a safety issue to my knowledge. 3. Yes, issue was diagnosed and repaired at dealership. (Receipt for work - including part numbers will be attached with supporting documents) 4. No, no one outside of the dealershi…
The Evaporator core is leaking and a/c system is not operative. There is an outstanding report from your office, DCS4922, that outlines this condition perfectly. This report talks about a Special Coverage Adjustment #N182186881 Evaporator Core Icing, Leak, and an estimated number…
Tire pressure sensor system receiver (part of keyless entry system) will not collect info from individual tire pressure sensors in tires. Failure of this safety system would not provide and advance warning of low tire pressure.
While driving or idling (car in D/M, both automatic and manual), the car will rapidly shift to park and then back to where the shifter was set, usually in a lower gear that slows the car down or prevents acceleration. The transmission or speed sensor could be an issue. This can…
My service stability and service power steering g drive with care warning lights came on.. I DO NOT have any power steering.. I am lucky I was NOT driving on the road when power steering failed. A SERVICE BULLERIN 19NA182 has be given to this very unsafe issue.
As I was driving home from my place of employment which is exactly 30 miles from where I live my Steering Assist went out and it was very hard to steer and to even stay in the lane which I was driving I managed to get the car home and did an under carriage inspection and there wa…
While driving from work the car did a quick jerk and the STABILITRAK, ABS AND CHECK ENGINE LIGHT ALL CAME ON ALL AT ONCE. As I pulled into my workplace the car lost power to the engine completely while displaying ACTION REQUIRED ON THE LCD SCREEN. The brake and steering wheel bec…
Check engine light did not come on when battery was bad.also brakes feel spongy and go to the floor at times,pads and rotors are good.
Source: NHTSA Complaints Database. Real owner reports for the 2018 Chevrolet Impala.
Safety recalls
2018 Chevrolet Impala recalls
1 campaignNHTSA recall campaigns for the 2018 Chevrolet Impala. One recall indicates a known issue, so verify it has been remedied before purchase. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
Research more
Keep researching before you buy
Compare brands and categories, then check the exact car's history by VIN.
Questions
2018 Chevrolet Impala buying FAQ
Buyer-focused answers based on real NHTSA complaint and recall data for this model year.
Is the 2018 Chevrolet Impala reliable?▾
Severe Issues. NHTSA currently shows 58 owner complaints, 6 crash-related complaints, and 1 recall campaign for this model year. The 2018 Impala may be worth considering if you find a well-maintained example, but the low data confidence means you should prioritize a thorough inspection of electrical and transmission systems. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.
What are the most common problems with the 2018 Chevrolet Impala?▾
#1: Uncategorized Issues (16 complaints). #2: Electrical Faults (11 complaints). #3: Transmission / Drivetrain (10 complaints)
At what mileage do problems start on the 2018 Chevrolet Impala?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2018 Chevrolet Impala?▾
Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2018 Chevrolet Impala, NHTSA complaints include 6 crash-related reports and 0 fire reports out of 58 total complaints. 2 injury reports are also on file. For controlled crash-test ratings, check nhtsa.gov/ratings.
Does the 2018 Chevrolet Impala have any recalls?▾
Yes. 1 NHTSA recall campaign affect the 2018 Chevrolet Impala. A major recall area is SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER. One recall indicates a known issue, so verify it has been remedied before purchase. Always verify open recalls by VIN because completion status varies by vehicle.
Should I buy a 2018 Chevrolet Impala?▾
The 2018 Impala may be worth considering if you find a well-maintained example, but the low data confidence means you should prioritize a thorough inspection of electrical and transmission systems. Electrical and transmission issues can lead to costly repairs, so pre-purchase inspection is critical. Pay extra attention to Uncategorized Issues during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.
Wider context: See the full Chevrolet Impala reliability report with year-by-year comparison.
Owner Reliability Rating
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Ratings are based on owner experience and are separate from NHTSA data shown above.
Before you buy
Check the exact vehicle history before you buy
Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.