2018 Chevrolet Impala problems and recalls

Owners have filed 59 complaints on the 2018 Chevrolet Impala, and NHTSA has issued 1 recall. The most cited component is the Unknown Or Other (16 complaints).

59
Complaints
1
Recalls
6
Crash reports
0
Fire reports
2
Injuries
63.5
Severity index

Severity index 63.5 Medium. The index weights crashes, fires, injuries and fatalities per 100 complaints. How it is calculated.

Middle half of all tracked vehiclesThis vehicle: 63.5p25 46p75 80cleanestworst
Severity index against the quartile range for all tracked vehicles.

Ranked 44 of 122 by severity index among 2018 vehicles with at least 40 complaints, highest first. 64% of those vehicles scored lower. Full 2018 ranking.

Components cited in complaints

Unknown Or OtherUnknown Or Other: 16 complaints (27.1%)16 27%Power TrainPower Train: 11 complaints (18.6%)11 19%Electrical SystemElectrical System: 11 complaints (18.6%)11 19%Service BrakesService Brakes: 8 complaints (13.6%)8 14%SteeringSteering: 7 complaints (11.9%)7 12%EngineEngine: 7 complaints (11.9%)7 12%Air BagsAir Bags: 6 complaints (10.2%)6 10%Exterior LightingExterior Lighting: 4 complaints (6.8%)4 7%
A single complaint can cite more than one component, so shares total over 100%.
ComponentComplaintsShare of complaints citing it
UNKNOWN OR OTHER1627.1%
POWER TRAIN1118.6%
ELECTRICAL SYSTEM1118.6%
SERVICE BRAKES813.6%
STEERING711.9%
ENGINE711.9%
AIR BAGS610.2%
EXTERIOR LIGHTING46.8%

Complaints filed per year

06122017: 12018: 52019: 102020: 122021: 62022: 62023: 52024: 62025: 52026: 3 (partial year)1718192012212223242526
Complaints by the calendar year they were filed. The hatched bar is the current year to date.
YearComplaints
20171
20185
201910
202012
20216
20226
20235
20246
20255
2026 (year to date)3
Filings in 2023 to 2025 were close to 2020 to 2022 (16 against 24).

Recall campaigns

CampaignReportedComponentSummary
18V57600030/08/2018SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPERGeneral Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Equinox, Impala, Cruze, Volt and Bolt EV vehicles, GMC Terrain vehicles, Buick Lacrosse and Regal vehicles, Cadillac XTS and XTS Professional vehicles and 2018 Chevrolet Malibu vehicles. The rear brake caliper pisto

Other Chevrolet Impala model years

Severity index for every other model year on file. Compare all 9 years side by side.

Source. NHTSA public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-07-25. Complaints are unverified consumer reports. Totals vary with units sold and years on the road. Not affiliated with NHTSA or any manufacturer.