Research · Large Cars

2011 Chevrolet ImpalaRecalls, problems, MPG & safety

NHTSA lists 2 safety recalls and 505 owner complaints for the 2011 Chevrolet Impala. Most complaints involve electronic stability control (esc) (132) and engine (125). The EPA rates it 21–23 mpg combined.

Combined MPG
21–23mpg
EPA · 2 versions
NHTSA overall
—
Not rated by NCAP
Safety recalls
2campaigns
Latest Jun 2014
Owner complaints
505
Top: electronic stability control (esc)
Fuel cost / yr
$2,700est.
EPA estimate, best version
01 —Recalls

Safety recalls

2 NHTSA campaigns · applies to some vehicles, check your VIN

Electrical system: ignition

Free remedy

This defect can affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. General Motors LLC (GM) is recalling certain model year 2005-2009 Buick LaCrosse, 2006-2011 Buick Lucerne, 2000-2005 Cadillac DeVille, 2006-2011 Cadillac DTS, 2006-2014 Chevrolet Impala, and 2006-2007 Chevrolet Monte Carlo vehicles. In the affected vehicles, the weight on the key ring and road conditions or some other jarring event may cause the ignition switch to move out of the run position, turning off the engine.

Electrical systemReported Jun 23, 2014NHTSA 14V355000

Suspension: lower arm

Free remedy

General Motors (GM) is recalling certain model year 2008-2012 Chevrolet Impala police vehicles because the front lower control arms may fracture. This safety recall does not include non-police Chevrolet Impala vehicles.

SuspensionReported Aug 3, 2012NHTSA 12V377000
Data from NHTSA Recalls API · synced Nov 10, 2026 · All recall detailsNHTSA vehicle page
02 —Complaints

Owner complaints by component

505 complaints filed with NHTSA · Sep 2010 – Aug 2024
  1. Electronic stability control (esc)132
  2. Engine125
  3. Electrical system95
  4. Seats77
  5. Vehicle speed control69
  6. Power train64
  7. Air bags37
  8. Steering35
  9. Service brakes34

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

By model year

Complaints for each Impala model year we’ve synced.

View as table
Model yearNHTSA complaints
2000829
2001747
2002808
2003722
20041,073
2005608
2006544
2007627
2008810
2009824
2010442
2011505
2012258
2013272
2014638
2015301
2016890
2017117
201859
201928
202015
Crashes reported
22
Fires reported
5
Injuries reported
25
Deaths reported
0
Data from NHTSA Complaints API · synced Nov 10, 2026 · Full problem breakdownNHTSA vehicle page
03 —Common problems

What owners report most

Verbatim excerpts from NHTSA complaints, by component

Electronic stability control (esc)

132 reports1 fire
“TL* THE CONTACT OWNS A 2011 CHEVROLET IMPALA. THE CONTACT STATE WHILE DRIVING 35 MPH, THE VEHICLE STARTED HESITATING. THE CONTACT WAS IN THE PROCESS OF MAKING A LEFT TURN WHEN HE HEARD AN ABNORMAL NOISE COMING FROM THE VEHICLE. THE CONTACT STATED THAT CHANGE THROTTLE BODY, SERVICE STABILITY TRAC AND SERVICE TRACTION CONTROL WARNING LIGHTS WERE ILLUMINATED. THE ENGINE POWER REDUCED WARNING LIGHT WAS ALSO ILLUMINATED. THE VEHICLE WAS TAKEN TO AUTOSMART - LONGVIEW LOCATED AT 1151 MCCANN RD, LONGVIEW, TX 75601, (833) 586-2886 HOWEVER, THE MECHANIC WAS UNABLE TO DUPLICATE THE FAILURE. THE MECHANIC RESET THE CHECK ENGINE WARNING LIGHT. THE CONTACT STATED THAT THE FAILURE RECURRED FOUR TIMES. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER HAD NOT BEEN INFORMED OF FAILURE. THE FAILURE MILEAGE WAS 127,068.”
Owner complaint to NHTSAFiled Nov 2, 2020Electronic stability control (esc), Traction control system, EngineODI 11372659

Engine

125 reports3 crashes2 fires
“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 and it would not restart. I got it towed to a parking lot where it sat over night then it would restart but only for a few minutes. Once I got a scanner hooked up it had a p0642 code lost 5 volt reference circuit 1 and a cam sensor code I worked on this vehicle for two days and still have not found the issue. this vehicle needs a recall since this is a recurring issue with a few different model years of this vehicle and its always the same issue word for word, check engine light comes on, service stability trac, reduced engine power and low oil pressure lights come on the same p0642 lost 5 volt reference circuit 1. This is a very dangerous situation when going down the road and you lose engine power, steering and braking power. GM needs to correct this issue too many people have had this same issue.”
Owner complaint to NHTSAFiled Dec 25, 2023Electrical system, EngineODI 11561755

Electrical system

95 reports4 crashes
“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 printed me the codes & what they mean!! SO- P2138 Throttle/pedal pod sensor voltage correlation DTC P0523 Engine oil pressure sensor/switch high input Same complaint of loss of power as I’ve now seen others write about!! Voltage referring to throttle ‘s ability to open/close properly. An electrical malfunction in manufacturing! RECALL!!! Obviously I actually have another impala- 2007 that the rear defrost wire’s actually burnt @ control junction, been replaced now. Could’ve caused a fire !! High beam lights come on intermittently when using the turn signals!! Stand by your product !!!! I have 2 Impala’s, 2007, 2011. My mother has Impala, 2015. My sister has an Impala, 2017. Impala family I guess- kinda funny, all are black Impalas!!! I’ve seen numerous complaints of this same issue! Defect! R u waiting 4 an accident or a death? GO !!!! Has happened numerous times b4 This…”
Owner complaint to NHTSAFiled Nov 12, 2023Electrical system, Engine, Fuel/propulsion systemODI 11554752
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026
04 —Key specs

Engines, transmissions & drive

2 versions rated by the EPA
EPA class
Large Cars
Engines
3.5L 6-cyl · 3.9L 6-cyl
Transmissions
Automatic 4-spd
Drive
Front-Wheel Drive
Fuel
Regular Gasoline

Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.

Data from EPA fueleconomy.gov · synced Nov 10, 2026EPA listing
05 —Fuel economy

EPA fuel economy by version

City / highway / combined, annual fuel cost and CO₂
EPA
VersionCityHwyComb.Fuel / yrCO₂ g/mi
Impala
Auto 4-spd, 6 cyl, 3.5 L · Front-Wheel Drive
192923$2,700386
Impala
Auto 4-spd, 6 cyl, 3.9 L · Front-Wheel Drive
172621$2,950423
  • Impala
    Auto 4-spd, 6 cyl, 3.5 L
    19 city · 29 hwy · $2,700/yr
    23
    mpg comb.
  • Impala
    Auto 4-spd, 6 cyl, 3.9 L
    17 city · 26 hwy · $2,950/yr
    21
    mpg comb.
Data from EPA fueleconomy.gov · synced Nov 10, 2026 · Fuel cost is EPA’s annual estimate (15,000 mi, 55% city)
06 —Safety

NHTSA 5-Star Safety Ratings

1 tested variant
NHTSA has not published 5-Star Safety Ratings for the 2011 Chevrolet Impala as of Nov 10, 2026.
Data from NHTSA NCAP Safety Ratings API · synced Nov 10, 2026Vehicle 225
07 —Maintenance

Maintenance basics

General guidance, not the OEM schedule. Check your owner’s manual.
General guidance
ItemMilesTimeNote
Engine oil & filter5,000–10,000 mi6–12 monthsFollow the oil-life monitor if fitted
Tire rotation5,000–7,500 miEvery oil changeCheck pressure monthly
Engine air filter15,000–30,000 mi1–2 yearsSooner in dusty areas
Cabin air filter15,000–25,000 mi1–2 years
Brake fluid—2–3 yearsAbsorbs moisture over time
Coolant60,000–100,000 mi5–10 yearsLong-life coolants last longer
Spark plugs60,000–100,000 mi—Iridium/platinum plugs at the long end
12V battery—3–5 yearsHeat shortens battery life
  • Engine oil & filter5,000–10,000 mi
    6–12 months
  • Tire rotation5,000–7,500 mi
    Every oil change
  • Engine air filter15,000–30,000 mi
    1–2 years
  • Cabin air filter15,000–25,000 mi
    1–2 years
  • Brake fluid—
    2–3 years
  • Coolant60,000–100,000 mi
    5–10 years
  • Spark plugs60,000–100,000 mi
    —
  • 12V battery—
    3–5 years
Typical intervals for modern cars. Severe service (towing, short trips, extreme heat or cold) shortens them.
09 —FAQ

2011 Impala questions

How many recalls does the 2011 Chevrolet Impala have?

2 safety recalls as of Nov 10, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.

What are the most common 2011 Chevrolet Impala problems?

Owners filed 505 complaints with NHTSA. The most-cited components are electronic stability control (esc) (132), engine (125), electrical system (95). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.

What MPG does the 2011 Chevrolet Impala get?

The EPA rates the 2011 Chevrolet Impala at 21–23 mpg combined, depending on engine and drivetrain (2 versions rated).

Data from NHTSA & EPA · synced Nov 10, 2026