2018 Chevrolet Impala
The Verdict
Worst problem area
Transmission & Drivetrain
Transmission & Drivetrain is the largest identified problem area: 11 of 59 complaints (19%) mention it. 16 complaints mention a component NHTSA leaves uncategorised. Complaints mentioning Brakes include more crash reports (5) than those mentioning any other identified area.
Complaints filed fell from 116 in 2017 to 59 in 2018.
Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology
Cost, Fuel Economy & Complaint History
| Category | 2016 | 2017 | 2018 | 2019 | 2020 | vs. 2018 Large Cars |
|---|---|---|---|---|---|---|
| Annual fuel cost ($) | 2,500–3,100 | 2,500–2,850 | 2,500–2,850 | 2,500–2,850 | 2,850 | |
| Combined MPG | 20–25 | 22–25 | 22–25 | 22–25 | 22 | |
| City / Highway MPG | 17–22 / 25–31 | 18–22 / 28–30 | 18–22 / 28–30 | 18–22 / 28–29 | 18–19 / 28 | |
| CO₂ tailpipe (g/mi) | 354–437 | 360–408 | 360–409 | 362–409 | 406–411 | |
| Complaints filed | 111 | 116 | 59 | 28 | 15 | |
| Recalls issued | 0 | 0 | 1 | 1 | 0 | |
| Crash-involved complaints | 8 | 4 | 6 | 4 | 3 | |
| Fire-involved complaints | 4 | 0 | 0 | 1 | 0 | |
| Injuries reported | 10 | 9 | 2 | 4 | 1 | |
| Deaths reported | 0 | 0 | 0 | 0 | 0 | |
| Configurations compared | 4 | 3 | 3 | 3 | 2 |
Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.
Common questions
How many recalls does the 2018 Chevrolet Impala have?
1 NHTSA recall campaign as of Sep 16, 2026. Check your VIN with NHTSA to see whether one applies to your car.
What gas mileage does the 2018 Chevrolet Impala get?
EPA rates it 22–25 MPG combined across 3 configurations.
How much does it cost to fuel a 2018 Chevrolet Impala?
EPA estimates $2,500–$2,850 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (3)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Automatic (S6) | 4 | 2.5L | Front-Wheel Drive | Regular | Large Cars | 22 mpg (high) | 30 mpg (high) | 25 mpg (high) | $2,500 (low) | 360 g/mi (low) |
| Configuration 2 | Automatic (S6) | 6 | 3.6L | Front-Wheel Drive | Gasoline or E85 | Large Cars | 18 mpg (low) | 28 mpg (low) | 22 mpg (low) | $2,850 (high) | 409 g/mi (high) |
| Configuration 3 | Automatic (S6) | 6 | 3.6L | Front-Wheel Drive | Regular | Large Cars | 19 mpg | 28 mpg (low) | 22 mpg (low) | $2,850 (high) | 404 g/mi |
Complaints by Category
| Category | Complaints | Crash-Involved | Fire-Involved | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 7 | 0 | 0 | 0 | 0 |
| Transmission & Drivetrain | 11 | 0 | 0 | 0 | 0 |
| Fuel System | 3 | 0 | 0 | 0 | 0 |
| Electrical | 11 | 0 | 0 | 0 | 0 |
| Brakes | 9 | 5 | 0 | 1 | 0 |
| Steering | 7 | 0 | 0 | 0 | 0 |
| Suspension, Wheels & Tires | 3 | 0 | 0 | 0 | 0 |
| Airbags & Restraints | 6 | 1 | 0 | 1 | 0 |
| Driver Assistance & Speed Control | 3 | 0 | 0 | 0 | 0 |
| Body, Seats & Latches | 4 | 0 | 0 | 0 | 0 |
| Visibility & Lighting | 5 | 1 | 0 | 0 | 0 |
| Other | 16 | 0 | 0 | 0 | 0 |
A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.
Recalls (1)
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER · Campaign 18V576000 · Sep 5, 2018
Defect: General 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 pistons may have an insufficient coating causing gas pockets to form, potentially reducing rear brake performance.
Consequence: A reduction of braking performance can increase the risk of a crash.
Remedy: GM will notify owners, and dealers will bleed the vehicle's brake system, free of charge. The recall began October 11, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 18279.