2018 CHEVROLET IMPALA — Owner-Reported Problems

NHTSA Office of Defects Investigation Snapshot 2026-08-22 58 complaints · 1 recalls
Most-reported system: POWER TRAIN (10 complaints · 17.2%)
Safety signals:
  • Crashes 6
  • Fires 0
  • Injuries 2
  • Deaths 0
Compare with 2017 →
NHTSA Consumer Complaints Snapshot 2026-08-21 Open source record Read our complete data methodology →

Complaint counts reflect self-selected reports and are not normalised for production sales volume. We publish no reliability scores, superlatives, or vehicle rankings.

Component Problem Distribution

Share of owner complaints filed for each vehicle system (unaffected by sales volume)

Component Problem Distribution POWER TRAIN appears in 10 of 58 owner complaints (17.2%) in this vehicle snapshot. POWER TRAIN: 10 complaints, 17.2% of reports POWER TRAIN 10 · 17.2% STEERING: 7 complaints, 12.1% of reports STEERING 7 · 12.1% ELECTRICAL SYSTEM: 6 complaints, 10.3% of reports ELECTRICAL SYSTEM 6 · 10.3% SERVICE BRAKES: 4 complaints, 6.9% of reports SERVICE BRAKES 4 · 6.9% · 4 crash reports EXTERIOR LIGHTING: 3 complaints, 5.2% of reports EXTERIOR LIGHTING 3 · 5.2% · 1 crash reports FUEL SYSTEM: 3 complaints, 5.2% of reports FUEL SYSTEM 3 · 5.2% AIR BAGS: 2 complaints, 3.5% of reports AIR BAGS 2 · 3.5% · 1 crash reports ENGINE: 2 complaints, 3.5% of reports ENGINE 2 · 3.5% BACK OVER PREVENTION: 1 complaints, 1.7% of reports BACK OVER PREVENTION 1 · 1.7% UNKNOWN OR OTHER: 22 complaints, 37.9% of reports UNKNOWN OR OTHER 22 · 37.9% · 1 crash reports 0% 25% 50% 75% 100%

UNKNOWN OR OTHER is an NHTSA classification artifact and is always listed last.

View component data as a table
System / Component Complaints Share of Reports Safety Reports (Crashes / Fires)
POWER TRAIN 10 17.2% 0 crashes · 0 fires
STEERING 7 12.1% 0 crashes · 0 fires
ELECTRICAL SYSTEM 6 10.3% 0 crashes · 0 fires
SERVICE BRAKES 4 6.9% 4 crashes · 0 fires
EXTERIOR LIGHTING 3 5.2% 1 crashes · 0 fires
FUEL SYSTEM 3 5.2% 0 crashes · 0 fires
AIR BAGS 2 3.5% 1 crashes · 0 fires
ENGINE 2 3.5% 0 crashes · 0 fires
BACK OVER PREVENTION 1 1.7% 0 crashes · 0 fires
UNKNOWN OR OTHER 22 37.9% 1 crashes · 0 fires
NHTSA Consumer Complaints, NHTSA Safety Recalls, and NHTSA Defect Investigations Snapshot 2026-08-22 Open source record Read our complete data methodology →

Complaint counts reflect self-selected reports and are not normalised for production sales volume. We publish no reliability scores, superlatives, or vehicle rankings.

Problem & Recall Timeline

Observed complaint volume and manufacturer recall actions over time

Problem & Recall Timeline Owner reports in this snapshot begin in Oct 2017; the first recall shown was reported in Aug 2018. 2017-Q4: 1 owner reports 1 2018-Q3: 2 owner reports 2 2018-Q4: 3 owner reports 3 2019-Q1: 1 owner reports 1 2019-Q2: 2 owner reports 2 2019-Q3: 4 owner reports 4 2019-Q4: 3 owner reports 3 2020-Q2: 4 owner reports 4 2020-Q3: 4 owner reports 4 2020-Q4: 4 owner reports 4 2021-Q1: 2 owner reports 2 2021-Q2: 3 owner reports 3 2021-Q4: 1 owner reports 1 2022-Q1: 4 owner reports 4 2022-Q3: 2 owner reports 2 2023-Q2: 3 owner reports 3 2023-Q3: 1 owner reports 1 2023-Q4: 1 owner reports 1 2024-Q2: 1 owner reports 1 2024-Q3: 2 owner reports 2 2024-Q4: 2 owner reports 2 2025-Q1: 2 owner reports 2 2025-Q3: 3 owner reports 3 2026-Q1: 2 owner reports 2 2026-Q2: 1 owner reports 1 Owner reports Oct 2017 Apr 2026 Recall campaign 18V576000 ◆ Recall campaign 18V576000
View timeline records as a table
Date Record type Count Record identifier
2017-Q4 Owner reports 1
2018-Q3 Owner reports 2
2018-Q4 Owner reports 3
2019-Q1 Owner reports 1
2019-Q2 Owner reports 2
2019-Q3 Owner reports 4
2019-Q4 Owner reports 3
2020-Q2 Owner reports 4
2020-Q3 Owner reports 4
2020-Q4 Owner reports 4
2021-Q1 Owner reports 2
2021-Q2 Owner reports 3
2021-Q4 Owner reports 1
2022-Q1 Owner reports 4
2022-Q3 Owner reports 2
2023-Q2 Owner reports 3
2023-Q3 Owner reports 1
2023-Q4 Owner reports 1
2024-Q2 Owner reports 1
2024-Q3 Owner reports 2
2024-Q4 Owner reports 2
2025-Q1 Owner reports 2
2025-Q3 Owner reports 3
2026-Q1 Owner reports 2
2026-Q2 Owner reports 1
Recall campaign 1 18V576000
NHTSA Safety Recalls Snapshot 2026-08-22 Open source record Read our complete data methodology →

Safety Recalls (1)

Official safety recall campaigns filed with NHTSA

  1. Manufacturer action

    Recall campaign 18V576000

    Report date
    Component:
    SERVICE BRAKES, HYDRAULIC
    Consequence:
    A reduction of braking performance can increase the risk of a crash.
    Remedy:
    GM will notify owners, and dealers will bleed the vehicle's brake system, free of charge. The recall began October 11, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 18279.
    View authoritative NHTSA record →
NHTSA Consumer Complaints Snapshot 2026-08-21 Open source record Read our complete data methodology →

Complaint counts reflect self-selected reports and are not normalised for production sales volume. We publish no reliability scores, superlatives, or vehicle rankings.

Complaint Narrative Explorer

Verbatim owner-reported defect narratives from NHTSA public records

Data: NHTSA Office of Defects Investigation · snapshot 2026-08-21
Safety incident filters
Showing 0 of 58 complaints · page 1 of 3

No complaints match the current filters.
EPA Fuel Economy Database Snapshot 2026-08-21 Open source record Read our complete data methodology →

Estimated Ownership Cost

EPA fuel economy ratings and annual operating cost estimates

Data: US EPA Fuel Economy Guide · snapshot 2026-08-21
Supported range: 1,000–60,000 miles per year
Supported range: $1.50–$10.00 per gallon
55% city45% highway
Estimate unavailable

EPA fuel-economy data is unavailable for this vehicle.

No estimate is shown when required EPA values are unavailable.

 Open Ownership Cost Calculator →

Adjacent Model Years

Immediate preceding and succeeding model year records

NHTSA Consumer Complaints Snapshot 2026-08-21 Open source record Read our complete data methodology →

Complaint counts reflect self-selected reports and are not normalised for production sales volume. We publish no reliability scores, superlatives, or vehicle rankings.

Methodology & Data Integrity

Data sourced from NHTSA Office of Defects Investigation. Snapshot date: 2026-08-21.

Read our complete data methodology → Sources