YearToAvoid

2015 Buick Regal Problems, Recalls & Reliability

Verdict

Caution

Complaint Index

60/100

#5 most-complained of 11 Regal years

The 2015 Buick Regal has a Complaint Index of 60 and ranks 5th worst of 11 model years, earning a Caution verdict. NHTSA lists 33 complaints, 1 crash, and 1 fire, with Electrical System issues the top problem area at 36% of complaints.

Complaints
33
Recalls
0
Crashes / fires
1 / 1
Injuries / deaths
3 / 0
NHTSA overall rating
5 / 5 ★
EPA combined MPG
24
20 city / 30 hwy

Top 2015 Buick Regal problems

NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.

  1. Electrical System12 (36%)
  2. Engine9 (27%)
  3. Other5 (15%)
  4. Brakes4 (12%)
  5. Fuel System4 (12%)
  6. Airbags3 (9%)
  7. Structure & Body3 (9%)
  8. Suspension, Wheels & Tires3 (9%)
  9. Seat Belts2 (6%)
  10. Visibility & Wipers2 (6%)

What owners report

  • Dashboard lights and radio have cut out completely while driving, sometimes for only a few seconds before returning.
  • Doors have failed to unlock from inside after the anti-theft system activated, trapping occupants for several minutes.
  • Remote key fobs and start buttons have stopped responding after dashboard electrical failures, requiring the key to gain entry.
  • HID headlight housings have let in condensation, causing the ballast and bulb to fail and headlights to go out.
  • The engine has fractured internally, causing hesitation and sputtering during acceleration before requiring replacement.
  • The engine has stalled at a complete stop with a power-reduced warning, requiring a restart to resume normal operation.
2015 Buick Regal complaints: complaints filed per month3Aug 2015Jul 2016Nov 2017Feb 2019Feb 2020Nov 2020Oct 2022Jul 2024
49 complaints filed with NHTSA from Aug 2015 to Jul 2024; peak Mar 2016 (3).

2015 Buick Regal recalls

No safety recalls on record for this model year.

2015 Buick Regal fuel economy and fuel cost

City
20 MPG
Highway
30 MPG
Combined
24 MPG
Annual fuel cost (EPA)
$2,700
15,000 mi/yr
Fuel
Regular
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2015 compared with other Regal years

Complaint Index by model year (0 = fewest issues, 100 = most)025507510020102011201220132014201520162017201820192020
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2013Avoid9091622.5
2014Good4038224
2015Caution6033024
2016Caution5041124
2017Good3020023

All Buick Regal years: best and worst →

Frequently asked questions

Is the 2015 Buick Regal reliable?
NHTSA data gives the 2015 Regal a Complaint Index of 60 and a Caution verdict, meaning it ranks in the middle-to-worse half of the 11 model years covered, with 33 complaints, 1 crash, and 1 fire.
What is the biggest problem with the 2015 Buick Regal?
Electrical System issues are the top problem area, making up 36% of complaints, with a median failure mileage of 25,000 miles. Owners describe dashboard blackouts, key fob failures, and headlight housing water intrusion.
Does the 2015 Buick Regal have any recalls?
NHTSA lists 0 recalls for the 2015 Buick Regal, none of which are do-not-drive recalls.
How does the 2015 Regal compare to other Regal years?
The 2015 Regal ranks 5th worst of 11 years with a Complaint Index of 60. Years like 2011 (100), 2013 (90), and 2012 (80) score worse, while 2019 (20) and 2017 (30) score better.
What is the fuel economy of the 2015 Buick Regal?
EPA rates the 2015 Regal at 24 mpg combined (20 city / 30 highway), with an estimated annual fuel cost of $2,700.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.