BestCarRank
Chevrolet

2020 Chevrolet IMPALA

Problems, Recalls & Reliability Report

Excellent Reliability

Quick Summary

The 2020 Chevrolet IMPALA has 25 owner complaints filed with NHTSA — that's 0.1x the segment average of 422. The most common issue is other problems (24% of all complaints), specifically: while driving the rpms decrease while the speeding is increasing. at time you can feel the car slow down when pushing the accelerator and then it slightly jumps forward. the car can be going 75mphs and the rpms will be between 0 and 1. this also causes it to lag..

4 crash reports 1 injury

25

Total Complaints

0

Recalls Issued

5/5

Safety Stars

0.1x

vs Segment Avg

Known Problems(top 5 of 8)

OTHER

6 complaints
24%
  • While driving the RPMs decrease while the speeding is increasing. At time you can feel the car slow down when pushing the accelerator and then it slightly jumps forward. The car can be going 75mphs and the RPMs will be between 0 and 1. This also causes it to lag.
  • As I was driving my car in the interstate the car started making noises and began to shake and then it stop driving normally. I did my best to move to the curve and then called a towing truck to get the car. The car transmission stopped working properly. I conducted an analysis on this car in the
  • 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 !
Typical onset: 50K miles Est. repair: $500💥 1 crashes

While driving the RPMs decrease while the speeding is increasing. At time you can feel the car slow down when pushing the accelerator and then it slightly jumps forward. The car can be going 75mphs and the RPMs will be between 0 and 1. This also causes it to lag.

— NHTSA complaint filing

Above-average theft risk

#11 most stolen in 2025

The Chevrolet IMPALA was the #11 most-stolen vehicle in the United States in 2025, with approximately 8,400 thefts reported to law enforcement.

Notes: Older sedan; parts demand

Source: NICB Hot Wheels 2025 report + HLDI theft loss studies. Model-year ranking; not all years of this model have identical risk.

Charging Cost Calculator for 2020 Chevrolet IMPALA

Live EIA prices
Per year
$3,461
Per month
$288
Per mile
28.8¢
kWh/mi
1.53

Based on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.

Estimated Insurance Cost for 2020 Chevrolet IMPALA

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.
Full coverage / year
$1,968
Full coverage / month
$164
Liability only / year
$638
vs US avg
+18%
How this estimate is calculated
US base full-coverage premium$1674
× state (US)1.00x
× vehicle class (ev-mainstream)1.18x
× theft risk1.06x
× safety rating0.94x
× vehicle age1.00x
= Full coverage estimate$1968

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Recommended Chevrolet IMPALA Service Intervals

Oil change
8K mi / 12 mo
Tire rotation
8K mi
Brake fluid
36 months
Transmission fluid
45K mi
Engine coolant
150K mi
Spark plugs
100K mi
Cabin air filter
23K mi
Engine air filter
45K mi
Differential (AWD/4WD)
45K mi

GM Oil Life System dynamically calculates oil change interval. DEXOS-approved oil required.

"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.

Chevrolet New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)
3 yr / 36K mi
Powertrain
5 yr / 60K mi
Hybrid/EV battery
8 yr / 100K mi
Corrosion (rust perforation)
6 yr / 100K mi
Roadside assistance
5 yr / 60K mi

These are the terms for a new Chevrolet. If you're buying a used 2020 IMPALA, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Chevrolet dealer for VIN-specific remaining warranty.

EV Incentives for 2020 Chevrolet IMPALA

Updated 2026-07

Federal Tax Credit (Section 30D) — Expired 2025-09-30

Section 30D new clean vehicle credit ($7,500 max) expired for vehicles acquired after Sept 30, 2025 per Public Law (One Big Beautiful Bill Act). Vehicles acquired on or before that date remain eligible on the buyer's 2025 return. No federal purchase credit exists for post-9/30/2025 acquisitions.

State-Level Incentives (Still Active in 14 States)

CaliforniaUp to $12,000
Clean Cars 4 All
ColoradoUp to $5,000
Innovative Motor Vehicle Credit
ConnecticutUp to $4,250
CHEAPR (Connecticut Hydrogen and Electric Automobile Purchase Rebate)
DelawareUp to $2,500
Clean Vehicle Rebate
IllinoisUp to $4,000
Illinois EV Rebate Program
MarylandUp to $3,000
Excise Tax Credit for Plug-in Electric Vehicles
MassachusettsUp to $3,500
MOR-EV
New JerseyUp to $4,000
Charge Up New Jersey
New YorkUp to $2,000
Drive Clean Rebate
OregonUp to $7,500
Oregon Clean Vehicle Rebate
PennsylvaniaUp to $3,000
Alternative Fuel Vehicle (AFV) Rebate Program
Rhode IslandUp to $2,500
DRIVEEV
TexasUp to $2,500
Light-Duty Motor Vehicle Purchase or Lease Incentive
VermontUp to $5,000
Incentive Program for New Electric Vehicles
See full state-by-state EV incentive details

Source: US Department of Energy Alternative Fuels Data Center + state DOR / DEQ program pages. Program details and eligibility limits change frequently — always verify with the linked source before purchase.

Estimated Repair Costs

OTHER(~50K mi)
$500
ELECTRICAL(~50K mi)
$500
STEERING(~50K mi)
$500
SEATS/RESTRAINTS(~50K mi)
$500
AIR BAGS(~50K mi)
$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 25 owner complaints for this specific year, here's what to check or ask about:

  • OTHER: While driving the RPMs decrease while the speeding is increasing. At time you can feel the car slow down when pushing the accelerator and then it slightly jumps forward. The car can be going 75mphs and the RPMs will be between 0 and 1. This also causes it to lag.

    Typically appears around 50K miles. Repair cost ~$500

  • ELECTRICAL: 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, noth

    Typically appears around 50K miles. Repair cost ~$500

  • STEERING: 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 rest

    Typically appears around 50K miles. Repair cost ~$500

  • SEATS/RESTRAINTS: 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, noth

    Typically appears around 50K miles. Repair cost ~$500

  • General: Get a pre-purchase inspection from an independent mechanic ($100-$200)

NHTSA Safety Rating

Overall
Frontal
Side
Rollover

At a Glance

Complaints
25
Recalls
0
Fire reports
0
Crash reports
4
Injury reports
1
Segment avg
422

Check a Specific VIN

See recalls for YOUR 2020 Chevrolet IMPALA