2011 Chevrolet Impala Engine Problems

NHTSA component category: ENGINE · data through 07/14/2026

125Engine complaints

24.8%Of all 505 complaints

#2Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How engine ranks on this vehicle

ELECTRONIC STABILITY CONTROL (ESC)132 · 26.1%

ENGINE125 · 24.8%

ELECTRICAL SYSTEM91 · 18%

VEHICLE SPEED CONTROL67 · 13.3%

POWER TRAIN63 · 12.5%

Share of the 505 complaints citing each category; one complaint can cite several. Full breakdown on the 2011 Chevrolet Impala overview page.

What owners report

“HAD THE SERVICE LIGHT AND SERVICE STABITRAK AND REDUCED POWER COME ON. SEEMS TO HAPPEN A LOT DURING THE WINTER. I HAVE HAD THE GAS…”NHTSA complaint 10509175 — filed 04/22/2013

“THE SERVICE STABILITRAK LIGHT COMES ON AND ENGINE POWER IS REDUCED. IT HAPPENED THIS MORNING WHILE TAKING MY KIDS TO SCHOOL...VERY SCARY THING WHEN KIDS…”NHTSA complaint 10505186 — filed 04/01/2013

“DRIVING 30 MPH IN A SMALL TOWN. A "BINGING" NOISE SOUNDS 3 TIMES AND THE TRACTION CONTROL WARNING LIGHT AS WELL AS THE CHECK ENGINE…”NHTSA complaint 10505019 — filed 03/30/2013

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Engine complaints by year filed

Frequently asked questions

Does the 2011 Chevrolet Impala have engine problems?

Engine is the #2 most-reported problem area on the 2011 Chevrolet Impala: 125 of 505 complaints on file (24.8%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2011 Chevrolet Impala have in total?

505 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 22 involved a crash, 5 involved a fire, 25 reported injuries, and none reported deaths.

What does NHTSA's engine category include?

NHTSA assigns each complaint to standard component categories; this page reports the ENGINE category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/14/2026.