Is the 2015 Buick REGAL reliable?

The 2015 Buick REGAL has 50 complaints filed with NHTSA (1.0x the segment average). Our reliability verdict: above-average. Most common issue: ENGINE problems.

What are common problems with the 2015 Buick REGAL?

Top problems: ENGINE (9 complaints, avg repair $500); LIGHTING (8 complaints, avg repair $500); OTHER (5 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2015 Buick REGAL?

No recalls have been issued for the 2015 Buick REGAL.

How much does it cost to fuel a 2015 Buick REGAL?

The 2015 Buick REGAL gets 24 MPG combined. At current US average gas prices, driving 12,000 miles per year costs roughly $2000. See the interactive fuel cost calculator on this page for state-specific pricing.

How much does it cost to insure a 2015 Buick REGAL?

Estimated US average full-coverage insurance for the 2015 Buick REGAL is approximately $1,390/year (sedan-midsize class). Actual quotes vary heavily by state, driver age, driving record, and credit — see the interactive insurance estimator on this page for state-specific pricing.

2015 Buick REGAL

Problems, Recalls & Reliability Report

Above Average

Quick Summary

The 2015 Buick REGAL has 50 owner complaints filed with NHTSA — that's 1.0x the segment average of 51. The most common issue is engine problems (18% of all complaints), specifically: tl* the contact owns a 2015 buick regal. while stopped at a traffic light, the vehicle began to putter and hesitate while accelerating. the failure occurred randomly. the dealer diagnosed that the engine fractured and needed to be replaced. the vehicle was repaired; however, the contact heard a grin. ⚠️ 1 fire report filed.

1 fire report 1 crash report 3 injuries

Total Complaints

Recalls Issued

5/5

Safety Stars

1.0x

vs Segment Avg

Known Problems(top 5 of 8)

ENGINE

9 complaints

18%

• TL* THE CONTACT OWNS A 2015 BUICK REGAL. WHILE STOPPED AT A TRAFFIC LIGHT, THE VEHICLE BEGAN TO PUTTER AND HESITATE WHILE ACCELERATING. THE FAILURE OCCURRED RANDOMLY. THE DEALER DIAGNOSED THAT THE ENGINE FRACTURED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED; HOWEVER, THE CONTACT HEARD A GRIN
• ON 10/10/2018 AT 6:45 AM, 63 DEGREES FAHRENHEIT, CERTIFIED/CURRENT LPT WARRANTY/15' REGAL PREM 2/ 60,600 OD 2.0L/TURBO/AUTOMATIC TRANS, CONDITIONS-SPEED-10 MPH-STEERING STRAIGHT, BRAKE AT 100%, ENGINE PERFORMANCE ISSUES MANIFESTED DURING THE END PORTION OF THE TRIP WHILE IN DRIVE, AT IDLE, DROPPING
• TL* THE CONTACT OWNS A 2015 BUICK REGAL. WHEN THE VEHICLE REACHED A COMPLETE STOP, THE VEHICLE STALLED AND THE ENGINE POWER REDUCED WARNING INDICATOR ILLUMINATED. THE CONTACT HAD TO TURN OFF AND RESTART THE VEHICLE FOR IT TO RESUME NORMAL OPERATION. THE VEHICLE WAS TAKEN TO ANCHOR BUICK GMC (1 AUTOM

Typical onset: 50K miles Est. repair: $500🔥 1 fire reports

“TL* THE CONTACT OWNS A 2015 BUICK REGAL. WHILE STOPPED AT A TRAFFIC LIGHT, THE VEHICLE BEGAN TO PUTTER AND HESITATE WHILE ACCELERATING. THE FAILURE OCCURRED RANDOMLY. THE DEALER DIAGNOSED THAT THE ENGINE FRACTURED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED; HOWEVER, THE CONTACT HEARD A GRIN”

— NHTSA complaint filing

When Problems Appear on the 2015 Buick REGAL

Based on 32 owner complaints that included an odometer reading. Median mileage at time of complaint: 25K miles. Most complaints cluster in the 0-30K miles range.

Overall complaint distribution by mileage

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

ENGINE

In line with typicalmedian 54K mi · 7 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

Mileage figures are self-reported by owners in NHTSA complaint filings. Peak bucket = the mileage range with the most complaints for that component; it reflects when owners noticed and reported problems, not necessarily when the fault first occurred.

Fuel Cost Calculator for 2015 Buick REGAL

Live EIA prices

Annual miles driven: 12,000

Your state (affects local gasoline price)

Per year

$2,001

Per month

$167

Per mile

16.7¢

MPG

City driving (worst-case MPG)

$2,527/yr

Highway driving (best-case MPG)

$1,549/yr

Based on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.

5-Year Gas Price History

EIA weekly retail data · 2021 → today

Show:

Current

$4.00

5-year low

$2.78

5-year high

$5.01

Since 2021

+27%

Source: US Energy Information Administration weekly retail gasoline prices.

Estimated Insurance Cost for 2015 Buick REGAL

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.

Your state (affects local premium average)

Full coverage / year

$1,390

Full coverage / month

$116

Liability only / year

$574

vs US avg

-17%

How this estimate is calculated

US base full-coverage premium$1674

× state (US)1.00x

× vehicle class (sedan-midsize)0.96x

× theft risk1.00x

× safety rating0.94x

× vehicle age0.92x

= Full coverage estimate$1390

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Buick New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)

4 yr / 50K mi

Powertrain

6 yr / 70K mi

Hybrid/EV battery

8 yr / 100K mi

Corrosion (rust perforation)

6 yr / 100K mi

Roadside assistance

6 yr / 70K mi

These are the terms for a new Buick. If you're buying a used 2015 REGAL, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Buick dealer for VIN-specific remaining warranty.

Estimated Repair Costs

ENGINE(~50K mi)

$500

LIGHTING(~50K mi)

$500

OTHER(~50K mi)

$500

ELECTRICAL(~50K mi)

$500

FUEL SYSTEM(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 50 owner complaints for this specific year, here's what to check or ask about:

☐
ENGINE: TL* THE CONTACT OWNS A 2015 BUICK REGAL. WHILE STOPPED AT A TRAFFIC LIGHT, THE VEHICLE BEGAN TO PUTTER AND HESITATE WHILE ACCELERATING. THE FAILURE OCCURRED RANDOMLY. THE DEALER DIAGNOSED THAT THE ENGINE FRACTURED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED; HOWEVER, THE CONTACT HEARD A GRIN
Typically appears around 50K miles. Repair cost ~$500
☐
LIGHTING: BACK-UP LIGHTS - VISIBILITY LIGHTED BY BACK-UP LIGHTS IS TERRIBLE. THE BACK-UP LIGHTS ARE VERY DIM AND DIRECTED UPWARDS INSTEAD OF BACK ONTO THE PAVEMENT AS THEY SHOULD BE. THE STOP LIGHTS ACTUALLY GIVE MORE LIGHT THAN THE BACK-UP LIGHTS. THE FIRST MONTH I HAD THE VEHICLE I HAD SEVERAL NEAR MISSES
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: BOUGHT THE VEHICLE ON 2/28/2015 FROM RICK HENDRICK BUICK GMC IN DULUTH GA. AROUND THE BEGINNING OF JUNE 2015 MY AIR VENT ON THE DRIVE SIDE WAS COMING OUT OF THE DASHBOARD. I TOOK MY VEHICLE TO THE DEALER ON 06/10/2015. THEY SAID THEY HAD TO ORDER A NEW ONE. I TOOK THE CAR BACK TO THE DEALER ON 6/
Typically appears around 50K miles. Repair cost ~$500
☐
ELECTRICAL: WHILE I WAS DRIVING ALL THE DASHBOARD LIGHTS WANT OUT COMPLETELY, THE CAR DIDN'T STOP RUNNING. I GOT HOME AND TRIED TO GET INTO THE CAR TWO HOURS LATER AND THE DOORS WOULD NOT OPEN WITH THE REMOTE,SO I USE THE KEY TO ENTER THE CAR, CLOSE THE DOOR AND THE ALARM WANT OFF AND THE DOORS LOCKED, I PRESS
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)