Proximity door unlock system rarely works goes in and out even with key fob in pocket and within Proximity. I've reported the problem to buick/Chevrolet many times, changed fob batteries and etc with no fix
The worst 2020 Buick Regal problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Electrical1
- Tires1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Electrical1
- Tires1
Recalls 1
Service brakes, hydraulic: power assist: electric: control module: software
- What is wrong
- 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."
- Risk
- 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.
Recall number 22V465000 · Recall details
Technical service bulletins for the 2020 Buick Regal 587
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This service bulletin provides information about GM Accessories
- This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
- This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
- PI to help diagnose A/C concern
- This preliminary information communicates information about how to determine if a wheel and tires size...
- This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a...
- This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic...
- This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic...
- This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered...
- This Preliminary Information communication provides information to the technician about vehicles that have...
2020 Buick Regal fuel economy
Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.
| Engine | Drive | City | Highway | Combined |
|---|---|---|---|---|
| 2.0L 4‑cyl | FWD | 22 | 32 | 26 |
| 2.0L 4‑cyl | AWD | 21 | 29 | 24 |
| 3.6L 6‑cyl | AWD | 19 | 27 | 22 |
What 2020 Buick Regal owners say
Most recent owner complaints, unedited.
The contact owns a 2020 Buick Regal GS equipped with Continental ProContact TX Tires, Tire Size: 245/40/R19, DOT Number: 6Y66WBR71819. The contact stated while driving approximately 70 MPH, the TPMS warning light indicated that the rear driver’s side tire air pressure was low. The tire lost air pressure and became flat. Also, later the front passenger’s side tire developed bubbles and had to be replaced. Within the first 200 miles of driving the vehicle, a dealer employee experienced a blowout of the front passenger’s side tire. The contact stated that the vehicle was equipped with the tires when it was purchased new. The contact stated that three of the four tires had experienced a failure. The contact was informed that the tire size was not included in the federal safety agency Campaign Number: 21T001000 (Tires). The failure mileage was 200.
Compare the 2020 Buick Regal
Other model years
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Questions about the 2020 Buick Regal
Is the 2020 Buick Regal reliable?
Owners have filed 2 complaints about the 2020 Buick Regal, fewer than a typical Regal model year.
What is the 2020 Buick Regal year score?
The 2020 Buick Regal scores 95 out of 100 (good). The score compares it with the other model years of the Buick Regal: 75 is a typical year, 50 means twice the usual complaints, and serious complaints and recalls lower it.
What is the most common problem with the 2020 Buick Regal?
Electrical system, with 1 complaint. Next is tires (1).
How many recalls does the 2020 Buick Regal have?
1 recall, covering service brakes, hydraulic.
What year does the Buick Regal have the most electrical problems?
The Buick Regal model years with the most electrical complaints are 2011 (75 complaints), 1998 (51 complaints) and 1999 (42 complaints).
What gas mileage does the 2020 Buick Regal get?
Official estimates for the 2020 Buick Regal range from 22 to 26 mpg combined. The most efficient version (2.0L 4-cyl, FWD) gets 22 city and 32 highway.
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