Most common 2020 Buick Regal problems
Share of the 2 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Buick Regal complaints by model year
Best Regal years: 2020, 2017, 2018. Years to avoid: 2011, 1998, 1996, 1995, 1999. Compare all years →
2020 Buick Regal recalls (2)
Service brakes, hydraulic › Power assist › Electric › Control module › Software
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.
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.
Seats
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.
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.
2020 Buick Regal engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 2.0L 4-cyl turbo | 9-speed automatic | FWD | 22 / 32 / 26 |
| 2.0L 4-cyl turbo | 8-speed automatic | AWD | 21 / 29 / 24 |
| 3.6L 6-cyl | 9-speed automatic | AWD | 19 / 27 / 22 |
EPA ratings. Class: Midsize car.
Frequently asked questions
Is the 2020 Buick Regal a good car?
Based on 2 owner complaints filed with NHTSA, the 2020 Regal rates better than average: 90% fewer complaints than a typical year of the Regal at the same age. It is one of the best Regal years by this measure. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2020 Buick Regal?
The wheels & tires — 1 complaint, 50% of all complaints for this model year. Next is the electrical system (1).
How many recalls does the 2020 Buick Regal have?
There are 2 recalls for the 2020 Buick Regal, the most recent from June 30, 2022 (software). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Buick Regal?
The best years by complaints, compared at the same age, are 2020, 2017 and 2018. Years to avoid or approach with caution: 2011, 1998, 1996, 1995 and 1999. See the full Buick Regal years comparison.
At what mileage do 2020 Buick Regal problems happen?
The median mileage reported in complaints is about 0 miles; 100% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.