The Weekly Driver
Reliability
Chevrolet

Impala (2020)

2020 · Full-Size Sedan · 1 engine
Reliability score 8.9/10
15 NHTSA Complaints
0 Recalls
0 Fire Reports
3 Crash Reports
View all 6 generations of the Chevrolet Impala → Inspection checklist

Reliability Score

8.9 / 10

Reliability score

Fewer owner complaints than similar full-size sedans

The class average is 7.0. Based on complaints owners filed with NHTSA about the engine, transmission or drivetrain.

Owners filed 3 powertrain complaints. A typical full-size sedan fleet of this size and age would have drawn about 12.

Scores this high have held: three years on they had moved 0.2 points in the typical case.

Breakdown
Complaints overall3 complaints against about 12 for similar vehicles
8.9
Last three years
n/aNot enough data
Engine, transmission or drive unit failed or replaced
n/aNot enough data
Oil consumption, fuel in the oil or overheating
n/aNot enough data

Each line scores one view of the same complaints the same way, so the lines overlap. The mark on each bar is the class average. A line needs 20 expected complaints to show a number.

Similar vehicles are others in the same class, compared at the same age and in the same years. The score counts complaints owners filed with NHTSA, per vehicle built, which is different from the share of vehicles that fail. How the score is worked out

On the record

No serious powertrain recall covering 5% or more of this generation and no escalated investigation in NHTSA's files. Warranty extensions and settlements have not been researched.

Complaints by Engine Code

LFX - SIDI: Spark Ignited Direct injection, VVT, E85 MAX, ALUM

3.6L 6-cyl
14 complaints 14.0 per year Gasoline
View details

Complaint Breakdown

other
4
electrical
3
safety systems
3
steering
3
fuel system
2
Show 1 additional engine variant with limited data
These engines appear in fewer than 10 owner complaints. A low count can mean a clean record, and it can also be a VIN-decode anomaly in NHTSA's data.

Chevrolet Impala Unidentified Engine

1 complaint 1.0 per year
View details

Complaint Breakdown

exterior
1

NHTSA Safety Ratings About NHTSA ratings

Overall ★★★★★ 5/5
Frontal Crash
5/5
Side Crash
5/5
Rollover
4/5 (12.1% risk)
ESC: Standard FCW: Optional LDW: Optional

All Generations

9th2000-200510th2006-201620172017201820182019201920202020

Alternatives in Full-Size Sedan

Lexus
LS
2001-2006
9.7/10
5 engines / 194 complaints
Cadillac
XTS
2013-2019
9.6/10
3 engines / 215 complaints
Toyota
Avalon
2013-2018
9.6/10
4 engines / 388 complaints
Lincoln
Continental
2017-2020
9.4/10
4 engines / 134 complaints
Lincoln
Town Car
2000-2011
9.3/10
6 engines / 1,015 complaints
Ford
Crown Victoria
2000-2011
9.2/10
6 engines / 1,125 complaints

Frequently Asked Questions

What are the most common 2020-2020 Chevrolet Impala complaints?

Owners have filed 15 complaints with NHTSA about the 2020-2020 Chevrolet Impala. The systems they name most often are the electrical system, the safety systems and the steering.

Is the 2020-2020 Chevrolet Impala a good used car?

That depends on the model year, the mileage and the maintenance history of the car in front of you. Owners have filed 15 complaints with NHTSA about the 2020-2020 Chevrolet Impala. Check which systems they name most often and whether a recall is still open on that car.

How many NHTSA complaints does the 2020-2020 Chevrolet Impala have?

NHTSA has 15 owner complaints on file for the 2020-2020 Chevrolet Impala as of the latest data pull. A complaint is an owner's report, not a confirmed defect, and counts rise with sales.

What recalls affect the 2020-2020 Chevrolet Impala?

NHTSA lists no recalls for the 2020-2020 Chevrolet Impala.

What should I check before buying a used Chevrolet Impala?

Run the VIN through NHTSA's recall lookup and confirm every open recall has been done. Look hardest at the electrical system, the safety systems and the steering, the systems owners complain about most. Ask for maintenance records, have an independent mechanic inspect the car and run a vehicle history report for prior accidents and title issues.

What are the NHTSA crash test ratings for the Impala?

The 2020 Chevrolet Impala received an overall 5-star safety rating from NHTSA. Frontal crash: 5 stars. Side crash: 5 stars. Rollover: 4 stars (12.1% rollover probability). Electronic Stability Control: Standard. Forward Collision Warning: Optional. Lane Departure Warning: Optional. These ratings are based on standardized crash tests conducted by the National Highway Traffic Safety Administration.

Data from NHTSA federal complaints database. 15 complaints analyzed. Data confidence: low. Last updated: 2026-10-12.

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