Passenger Car • 3.6l 6-cyl powertrain configurations • • NHTSA & EPA Certified Data
The 2020 Chevrolet Impala has 15 official NHTSA owner defect complaints and zero open safety recall campaigns recorded in the federal database.
The most frequently reported component area is Other / Uncategorized, accounting for 3 reports (20% of total complaints). EPA testing covers 2 certified vehicle configurations spanning 3.6l 6-cyl powertrain configurations. Gasoline and hybrid variants deliver 22 MPG combined.
Official EPA laboratory test ratings, electric driving range, and annual energy cost estimates by certified vehicle variant
| Variant | Engine | Drivetrain | Transmission | City | Highway | Combined | EV Range | Est. Annual Fuel Cost |
|---|---|---|---|---|---|---|---|---|
| Impala | 3.6L 6-Cyl | Front-Wheel Drive | Automatic (S6) | 19 MPG | 28 MPG | 22 MPG | — | $2,800 / yr |
| Impala | 3.6L 6-Cyl | Front-Wheel Drive | Automatic (S6) | 18 MPG | 28 MPG | 22 MPG | — | $2,800 / yr |
Official 5-Star Safety Ratings evaluated by the National Highway Traffic Safety Administration
| Tested Drivetrain / Cab Variant | Overall Rating | Frontal Crash | Side Crash | Rollover Rating | Rollover Risk |
|---|---|---|---|---|---|
| 4 DR FWD | 5 / 5 | 5 / 5 | 5 / 5 | 4 / 5 | 12.1% |
Optional and Lane Departure Warning (LDW) is documented as Optional in official NHTSA records for tested 2020 Chevrolet Impala models.
Summary of 15 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)
Ranked by total consumer complaint submissions recorded by NHTSA
Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.
View all 2020 Chevrolet Impala problems & component breakdown (11 categories) →Manufacturer safety recall campaigns monitored and recorded by NHTSA
No open safety recall campaigns are currently on file with NHTSA for the 2020 Chevrolet Impala.
View all 2020 Chevrolet Impala recalls & campaign history (0 campaigns) →Direct, deterministic answers synthesized from verified United States government databases for the 2020 Chevrolet Impala
AutoUtility's current federal dataset records zero official NHTSA safety recall campaigns for the 2020 Chevrolet Impala.
Recall records can change as manufacturers and NHTSA publish or update campaign notices.
NHTSA records list 15 consumer defect complaints for the 2020 Chevrolet Impala. The most frequently referenced vehicle system is Other / Uncategorized, appearing in 3 filings (20% of submissions).
Consumer complaints represent unverified owner submissions filed under federal reporting guidelines and describe reported component behavior rather than audited failure rates.
Under the NHTSA New Car Assessment Program (NCAP), the 2020 Chevrolet Impala earned an Overall Safety Rating of 5 out of 5 stars across 1 tested configuration(s).
Laboratory evaluations include a 35 mph frontal barrier crash, side barrier and pole impact tests, and static rollover resistance assessments.
Official EPA laboratory estimates for the 2020 Chevrolet Impala range from 22 MPG combined (55% city / 45% highway weighted) depending on engine, transmission, and drivetrain configuration.
Using AutoUtility's standardized operating cost model (15,000 miles/year, $3.50/gal gas, $0.16/kWh electricity), annual energy expenditures range across certified configurations based on official EPA laboratory test baselines.
The specifications, safety ratings, defect reports, and recall campaigns published on this page are retrieved directly from official United States Government agency databases:
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.