2015 Buick Regal problems, complaints & recalls
Most-reported problem areas: Engine (7) · Exterior Lighting (6) · Fuel/Propulsion System (4)
🧭 Reliability snapshot
Compared against other Buick Regal model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
22 NHTSA complaints that reported an odometer reading.
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (1,526)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-09-26 · PIT5698F · Service Bulletin/Repair Instructions
this pi provides diagnostics tips on how the lin bus works and how to diagnosis it.
Unknown Or Other 2026-09-04 · PIP4902W · Service Bulletin/Repair Instructions
this preliminary information advises a dealer on how to email gds2 session logs into technical assistance.
Unknown Or Other 2026-07-21 · PIT5099J · Service Bulletin/Repair Instructions
pi to help diagnose a/c concern
Unknown Or Other 2026-05-19 · PIP6113 · Service Bulletin/Repair Instructions
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 origi
Unknown Or Other 2026-04-01 · PIT3271Q · Service Bulletin/Repair Instructions
this preliminary information communicates information about how to determine if a wheel and tires size change is available.
Unknown Or Other 2026-03-09 · PIP6104 · Service Bulletin/Repair Instructions
this preliminary information communicates the steps on how to save a gds2 session log and upload to a technical assistance case in cx connect.
Showing the 6 most recent of 1,526 bulletins. Search all of them free at nhtsa.gov.
What owners report
2024-07-26 · Engine · 102,000 mi“the contact owns a 2015 buick regal. the contact stated while driving at an undisclosed speed, upon reaching a stop light, the vehicle inadvertently lost motive power and was able to restart. after restarting the vehicle, the vehicle returned to normal functionality, but the failure became a regular occurrence. the check engine warning light was il…”
2024-05-23 · Engine“excessive oil consumption on the 2.4l engine. gm has known about the oil consumption on these engines for a long time and if oil is not consistently checked and topped off it will seize the motor while driving …”
2024-05-04 · Service Brakes“after starting my vehicle with foot on the brake and putting the vehicle in gear it will move forward and occasionally roll for 4 or 5 feet before the brake engages. this is extremely dangerous as i'm pulling out of a parking space and merging with ongoing traffic !this has been going on for approximately three weeks. the vehicle literally has n…”
2023-10-25 · Engine · 🔥 fire“the contact owned a 2015 buick regal. the contact stated that while powered off, a civilian observed smoke emanating from the engine compartment. the contact stated that the vehicle then exploded. the contact stated that a vehicle parked next to the vehicle had damage from the fire. the origin of the fire was unknown. the fire department extinguish…”
2023-07-26 · Fuel/Propulsion System“airbag red light indicator on for 2+ weeks, ambient temperature sensor malfunction and vehicle seems to have less pressure when accelerating …”
2022-10-25 · Exterior Lighting“i purchased my 2015 buick in may of 2015. at about december of 2017 the drivers hid head light was breached and moisture crept in creating an inner fog and eventually a puddle of water. in the falloff 2018 the same thing happened on the passengers side. i've removed both head assemblies and tried to fix the problem with very little success. now i a…”
2022-07-29 · Exterior Lighting“drivers side headlight has condensation in it & stopped working. vehicle hasn’t been involved in any accidents or incidents that would have caused this. dealer advised of the problem while performing oil change. …”
2021-03-09 · Fuel/Propulsion System · 12,000 mi“i started experiencing excessive oil burn at around. since then, i have checked my oil biweekly to top off and keep at proper levels along with consistent oil changes as the oil gets dirty quickly. dealerships before have told me that its "normal" for these engines. i discovered a bad oil leak. vacuum pump issues. multiple camshaft seals worn away,…”
2021-02-03 · Suspension“air bag system keeps coming on the dealer says it's my fault and they can't do nothing about it i have a kid and it's not safe my airbag can deploy anytime.…”
2020-11-23 · Engine · 54,000 mi“engine has gone out twice within 54k miles. service tech said this is a know issue with the 2015 buick regal engine. i just had it replaced the 2nd time in feb of 2020. first time it went out there was only 12k miles on it. now its nov. of 2020 and the car is having the same exact issues as it was when both engines went out. i cannot believe this i…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.