
Overview
- Body
- Large CarsEPA, from EPA, last updated 6/22/2026
- Drivetrain
- Front-Wheel DriveEPA, from EPA, last updated 6/22/2026
- Transmission
- Automatic (S6)EPA, from EPA, last updated 6/22/2026
- Powertrain
- GasEPA, from EPA, last updated 6/22/2026
- Fuel
- RegularEPA, from EPA, last updated 6/22/2026
Engine & performance
- HP
- 305
- Power to weight
- 0.083 hp/lb
- Axle ratio
- 2.77
- Cyl
- 6EPA, from EPA, last updated 6/22/2026
- Aspiration
- Naturally aspiratedEPA, from EPA, last updated 6/22/2026
- Start-stop system
- NoEPA, from EPA, last updated 6/22/2026
Efficiency
- MPG Hwy
- 28 mpgEPA, from EPA, last updated 6/22/2026
- MPG City
- 18 mpgEPA, from EPA, last updated 6/22/2026
- MPG Comb
- 21 mpgEPA, from EPA, last updated 6/22/2026
- Fuel $/yr
- $2,950EPA, from EPA, last updated 6/22/2026
- CO₂
- 417 g/miEPA, from EPA, last updated 6/22/2026
- Eco Score
- 5/10EPA, from EPA, last updated 6/22/2026
- Smog score
- 7/10
- Elec. Range
- 0 miEPA, from EPA, last updated 6/22/2026
- SmartWay certified
- No
Dimensions & capacity
- Length
- 201 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
- Width
- 73 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
- Height
- 59 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
- Wheelbase
- 112 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
- Curb Weight
- 3,682 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
- Pass. Vol
- 105 ft³EPA, from EPA, last updated 6/22/2026
- Cargo Vol
- 19 ft³EPA, from EPA, last updated 6/22/2026
Safety NHTSA, model year
- Overall crash rating
- ★★★★★
- Rollover rating
- ★★★★★
- Stability control (ESC)
- Standard
- Forward-collision warning
- Optional
- Lane-departure warning
- Optional
- Recalls
- 12
- Owner complaints
- 630
- Reported injuries
- 9
- Theft rate
- 3.3 per 1,000 produced (CY 2014 federal data)
Reported problems NHTSA owner complaints, model year
- ELECTRICAL SYSTEM22%
- STEERING14%
- ELECTRONIC STABILITY CONTROL (ESC)10%
- UNKNOWN OR OTHER9%
- SERVICE BRAKES8%
- ENGINE6%
Source: NHTSA owner complaints, 1,009 total.
Chevrolet Impala: best and worst yearsFederal investigations NHTSA defect investigations, model year
AQ17002opened Mar 16, 2017STEERING:ELECTRIC POWER ASSIST SYSTEM
BiCal Chevrolet/Loss of Power Steering
PE14010opened Apr 15, 2014PARKING BRAKE:INDICATOR LIGHT
Active Safety System Malfunction
Known issues manufacturer service bulletins, model year
1,640 service bulletins filed with NHTSA for this model year
May 19, 2026UNKNOWN OR OTHERPIP6113
This document provides the technician with a diagnostic tip if the vehicle stalls and set diagnostic trouble code P0191 and may also set P0172. The diagnostic tip has the technician inspect the high pressure fuel pump body markings to confirm it is an original manufacture part. If it is not an original manufacture part, they should install one and evaluate the vehicle.
Apr 1, 2026UNKNOWN OR OTHERPIT3271Q
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
Mar 9, 2026UNKNOWN OR OTHERPIP6104
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
Mar 9, 2026UNKNOWN OR OTHERPIP4902V
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
Jan 8, 2026UNKNOWN OR OTHERPIP4902U
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
Nov 20, 2025UNKNOWN OR OTHERPIT5214G
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further sup
Sep 9, 2025UNKNOWN OR OTHER13598
New Vehicle Monitoring Programs Section in IVH
Sep 4, 2025ELECTRICAL SYSTEM18-NA-180
This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
- and 1,632 more
Source: NHTSA manufacturer communications (technical service bulletins).
Warranty manufacturer terms, by make
- Basic
- 3 yr / 36k mi
- Powertrain
- 5 yr / 60k mi
- Roadside assistance
- 5 yr / 60k mi
- Maintenance
- 1 yr / 12k mi
- EV battery
- 8 yr / 100k mi
Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.