2020 Buick Regal
The Verdict
Worst problem area
Electrical
Electrical leads by volume: 1 of 5 complaints (20%) mentions it.
Complaints filed fell from 18 in 2019 to 5 in 2020.
Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology
Cost, Fuel Economy & Complaint History
| Category | 2018 | 2019 | 2020 | vs. 2020 Midsize Cars |
|---|---|---|---|---|
| Annual fuel cost ($) | 2,850–3,250 | 2,850–3,250 | 2,850–3,250 | |
| Combined MPG | 22–26 | 22–26 | 22–26 | |
| City / Highway MPG | 19–22 / 27–32 | 19–22 / 27–32 | 19–22 / 27–32 | |
| CO₂ tailpipe (g/mi) | 344–403 | 345–404 | 343–411 | |
| Complaints filed | 33 | 18 | 5 | |
| Recalls issued | 3 | 3 | 2 | |
| Crash-involved complaints | 5 | 0 | 0 | |
| Fire-involved complaints | 0 | 0 | 0 | |
| Injuries reported | 4 | 0 | 0 | |
| Deaths reported | 0 | 0 | 0 | |
| Configurations compared | 3 | 3 | 3 |
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 2020 Buick Regal have?
2 NHTSA recall campaigns as of Sep 16, 2026. Check your VIN with NHTSA to see whether one applies to your car.
What is the most common complaint about the 2020 Buick Regal?
Electrical: 1 of 5 NHTSA complaints (20%) mentions it.
What gas mileage does the 2020 Buick Regal get?
EPA rates it 22–26 MPG combined.
How much does it cost to fuel a 2020 Buick Regal?
EPA estimates $2,850–$3,250 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (4)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Automatic (S9) | 4 | 2.0L | Front-Wheel Drive | Premium | Midsize Cars | 22 mpg (high) | 32 mpg (high) | 26 mpg (high) | $3,000 | 343 g/mi (low) |
| Configuration 2 | Automatic (S8) | 4 | 2.0L | All-Wheel Drive | Premium | Midsize Cars | 21 mpg | 29 mpg | 24 mpg | $3,250 (high) | 365 g/mi |
| Configuration 3 | Automatic (S8) | 4 | 2.0L | All-Wheel Drive | Premium | Small Station Wagons | 21 mpg | 29 mpg | 24 mpg | $3,250 (high) | 365 g/mi |
| Configuration 4 | Automatic (S9) | 6 | 3.6L | All-Wheel Drive | Regular | Midsize Cars | 19 mpg (low) | 27 mpg (low) | 22 mpg (low) | $2,850 (low) | 411 g/mi (high) |
Complaints by Category
| Category | Complaints | Crash-Involved | Fire-Involved | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 0 | 0 | 0 | 0 | 0 |
| Transmission & Drivetrain | 0 | 0 | 0 | 0 | 0 |
| Fuel System | 0 | 0 | 0 | 0 | 0 |
| Electrical | 1 | 0 | 0 | 0 | 0 |
| Brakes | 0 | 0 | 0 | 0 | 0 |
| Steering | 0 | 0 | 0 | 0 | 0 |
| Suspension, Wheels & Tires | 1 | 0 | 0 | 0 | 0 |
| Airbags & Restraints | 1 | 0 | 0 | 0 | 0 |
| Driver Assistance & Speed Control | 1 | 0 | 0 | 0 | 0 |
| Body, Seats & Latches | 1 | 0 | 0 | 0 | 0 |
| Visibility & Lighting | 0 | 0 | 0 | 0 | 0 |
| Other | 0 | 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 (2)
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM; SERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:CONTROL MODULE:SOFTWARE · Campaign 22V465000 · Jul 6, 2022
Defect: General Motors, LLC (GM) is recalling certain 2018-2020 Buick Regal vehicles. In the event of a vacuum-power brake assist failure, a software error in the electronic brake control module (EBCM) may result in a loss of power brake assist. As such, these vehicles fail to conform to Federal Motor Vehicle Safety Standard No. 135, "Light vehicle brake systems."
Consequence: A loss of power brake assist can extend the distance required to stop the vehicle, increasing the risk of a crash.
Remedy: Dealers will update the EBCM software, free of charge. Interim owner notification letters advising owners of the safety risk were mailed on August 19, 2022. Owner notification letters were mailed September 16, 2022. Owners may contact Buick's customer service at 1-800-521-7300.
SEATS · Campaign 19V762000 · Oct 25, 2019
Defect: General Motors LLC (GM) is recalling certain 2019-2020 Buick Regal vehicles. The driver or passenger front seat frames may have a lower crossbar that was improperly welded.
Consequence: Seats with improper welds may not provide adequate protection in the event of a crash, increasing the risk of an injury.
Remedy: GM will notify owners, and dealers will inspect the crossbar welds on the front seats. If the crossbar is improperly welded, the seat back frame will be replaced, free of charge. Interim notices informing owners of the safety risk were mailed November 26, 2019. Owners received a second notice and the recall began February 20, 2020. Owners may contact Buick customer service at 1-800-521-7300. GM's number for this recall is N192278300.