2011 Buick Regal Engine Problems
Owners have filed 108 complaints with NHTSA about engine problems on the 2011 Buick Regal, 39% of all complaints for this model year. Half of the reports with a mileage happened before 70,000 miles. The words owners use most often: “timing chain” (21% of reports).
- 108engine complaints
- 70,000median miles at failure
- 2mention a crash
- 2mention an injury
- 0related recalls
- 28%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Timing chain: mentioned in 23 of 108 complaints (21%)
- Oil consumption: mentioned in 10 of 108 complaints (9%)
- Engine power: mentioned in 9 of 108 complaints (8%)
- Throttle body: mentioned in 7 of 108 complaints (6%)
At what mileage do engine problems happen?
Based on 94 complaints that reported the odometer reading.
How serious are the reports?
Of 108 complaints, 2 mention a crash, 1 a fire, 2 an injury.
Buick Regal engine complaints by model year
| Model year | Engine complaints | Share of that year | Median miles |
|---|---|---|---|
| 2019 Regal | 3 | 16% | 22,301 |
| 2018 Regal | 5 | 26% | 22,000 |
| 2016 Regal | 5 | 12% | 38,500 |
| 2015 Regal | 9 | 27% | 54,000 |
| 2014 Regal | 9 | 24% | 69,381 |
| 2013 Regal | 9 | 10% | 80,645 |
| 2012 Regal | 21 | 23% | 73,000 |
| 2011 Regal | 108 | 39% | 70,000 |
| 2010 Regal | 1 | 100% | 13,000 |
| 2009 Regal | 1 | 100% | — |
| 2005 Regal | 1 | 25% | 45 |
| 2004 Regal | 18 | 27% | 97,650 |
| 2003 Regal | 26 | 26% | 142,000 |
| 2002 Regal | 33 | 28% | 135,500 |
| 2001 Regal | 52 | 28% | 122,500 |
| 2000 Regal | 28 | 15% | 140,000 |
| 1999 Regal | 49 | 20% | 139,000 |
| 1998 Regal | 29 | 10% | 128,000 |
| 1997 Regal | 11 | 8% | 144,000 |
| 1996 Regal | 2 | 1% | 216,628 |
| 1995 Regal | 1 | 1% | 110,000 |
When owners reported it
Related recalls (0)
No safety recall lists engine for the 2011 Buick Regal. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
While driving on the highway at 60 mph, warning on dash came on saying âengine power reducedâ and drop down speed to around 25 mph and I could not accelerate more than 25 mph on the highway which could have caused an accident because of the traffic flow behind me. I put a code scanner under the…
The contact owns a 2011 Buick Regal. The contact stated that while driving at 30 MPH, the vehicle stalled with the check engine warning light illuminated. The vehicle was able to be restarted. The dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was made aware…
The cars mileage was altered due to car being wrecked prior and the other car that was used to replace wrecked parts was hidden and vin number was altered. Copart Inc and ICT Sharp Rides are party's involved, I bought car on 12/28/2023 mileage was listed as 132525

Frequently asked questions
Do all 2011 Buick Regals have engine problems?
No. NHTSA has 108 owner complaints about engine for the 2011 Buick Regal (39% of the 280 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2011 Buick Regal engine?
No recall currently lists engine for this vehicle.
At what mileage do engine problems start?
The median reported mileage is 70,000 miles: half of the reports with a mileage came before that.
What do owners say about engine problems on the 2011 Buick Regal?
The most frequent phrase is “timing chain”, in 23 of 108 complaints, followed by “oil consumption” (10).
Other 2011 Buick Regal problems
See all 2011 Buick Regal problems or engine problems across all Regal years.