2011 Chevrolet Impala Engine Problems

Source: NHTSA · Updated Aug 31, 2024 · 125 complaints analyzed

Owners have filed 125 complaints with NHTSA about engine problems on the 2011 Chevrolet Impala, 25% of all complaints for this model year. Half of the reports with a mileage happened before 77,000 miles. The words owners use most often: “engine power” (58% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Engine power: mentioned in 72 of 125 complaints (58%)
  • Traction control: mentioned in 50 of 125 complaints (40%)
  • Service stabilitrak: mentioned in 21 of 125 complaints (17%)
  • Throttle body: mentioned in 9 of 125 complaints (7%)

At what mileage do engine problems happen?

Based on 112 complaints that reported the odometer reading.

Under 10k miles4 · 4%
10k–25k miles3 · 3%
25k–50k miles21 · 19%
50k–75k miles25 · 22%
75k–100k miles27 · 24%
100k–150k miles26 · 23%
150k+ miles6 · 5%

How serious are the reports?

Of 125 complaints, 3 mention a crash, 2 a fire, 4 an injury.

Chevrolet Impala engine complaints by model year

Peak: 2009, with 179 complaints
1999: 119992000: 712001: 6820012002: 752003: 8820032004: 712005: 3020052006: 592007: 7720072008: 1342009: 17920091792010: 882011: 12520112012: 402013: 3020132014: 562015: 1920152016: 212017: 2120172018: 72019: 220192020: 1

n = 1,263 complaints · Source: NHTSA

Model yearEngine complaintsShare of that yearMedian miles
2020 Impala17%—
2019 Impala27%2,800
2018 Impala712%29,410
2017 Impala2118%46,000
2016 Impala2119%70,000
2015 Impala196%71,000
2014 Impala569%60,000
2013 Impala3011%48,000
2012 Impala4016%40,000
2011 Impala12525%77,000
2010 Impala8820%77,500
2009 Impala17922%89,000
2008 Impala13417%98,660
2007 Impala7712%100,000
2006 Impala5911%112,500
2005 Impala305%128,550
2004 Impala717%120,784
2003 Impala8813%120,000
2002 Impala759%134,000
2001 Impala689%138,000
2000 Impala719%146,852
1999 Impala125%200,000

When owners reported it

Peak: 2014, with 32 complaints
2012: 4201242013: 162013162014: 322014322015: 152015152016: 192016192017: 8201782018: 102018102019: 5201952020: 8202082021: 3202132022: 2202222023: 2202322024: 120241

n = 125 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists engine for the 2011 Chevrolet Impala. A pattern of complaints does not always lead to a recall.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

Service stabilitrak warning, followed by reduced engine power, then car starts jerking.

Received Jan 5, 2024 · NHTSA complaint 11563735

i own a 2011 chevy impala 4 door that has a very serious engine issue. I was on my way home and suddenly the service stability trac, and check engine light came on, then the message center displayed reduced engine power and low oil pressure then the engine shut off. I tried to restart the vehicle…

Received Dec 25, 2023 · NHTSA complaint 11561755

This problem has happened for many many years. Made appointments @ Fuccillo Chevy dealer, by then it’s gone off & they don’t know! Well, just occurred again when getting new tires @Dunn pulling in. 2011 impala Stabilitrak, engine power loss, then check engine light! Thank goodness the mechanic…

Received Nov 12, 2023 · NHTSA complaint 11554752
Chevrolet Impala
Chevrolet Impala (2014–2020) in Stuttgart. Representative photo; appearance varies by model year. Photo: Alexander-93, CC BY-SA 4.0, via Wikimedia Commons.

Frequently asked questions

Do all 2011 Chevrolet Impalas have engine problems?

No. NHTSA has 125 owner complaints about engine for the 2011 Chevrolet Impala (25% of the 505 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 2011 Chevrolet Impala engine?

No recall currently lists engine for this vehicle.

At what mileage do engine problems start?

The median reported mileage is 77,000 miles: half of the reports with a mileage came before that.

What do owners say about engine problems on the 2011 Chevrolet Impala?

The most frequent phrase is “engine power”, in 72 of 125 complaints, followed by “traction control” (50).

Other 2011 Chevrolet Impala problems

See all 2011 Chevrolet Impala problems or engine problems across all Impala years.