2011 Buick Regal

203 serious complaints of 280, the most about engine (108) and power train (39); 12.5× this model's usual share of all serious complaints about 2011 vehicles. 4 recalls.

What owners report

“The contact owns a 2011 buick regal.while driving approximately 45 mph, the check engine warning light illuminated and the vehicle suddenly stalled. The vehicle was towed to the dealer where it was diagnosed that the timing change failed. The vehicle was not repaired. The manufacturer was notified of the failure.”

An owner's complaint to NHTSA about the engine, Jul 2015

“The contact owns a 2011 buick regal. While the vehicle was idling at a red light, it failed to accelerate without warning. The contact had to push the vehicle off the road. The vehicle was towed to the dealer where it was diagnosed that the transmission control module failed and needed replacement. The vehicle was not repaired.”

An owner's complaint to NHTSA about the power train, Oct 2016

Fixes and extended coverage

• Extended coverage The chrome layer on the balance chain pins may wear, allowing the chain to stretch. 12313 - Special Coverage. (G-169470, Jul 2013)
• Extended coverage The chrome layer on the balance chain pins may wear, allowing the chain to stretch. 12313A - Special Coverage (revised part information). (G-171837, Jul 2013)
• Extended coverage On some 2008 model year (MY) Saturn Outlook; 2008-2009 MY Buick Allure, Chevrolet Equinox, Chevrolet Uplander, Pontiac G8, Pontiac Montana SV6, Pontiac Torrent, and Saturn VUE; 2008-2010 MY Hummer H3 and Pontiac G6; 2008-2011 MY Cadillac CTS, Cadillac SRX, and Chevrolet Impala; 2008, 2011-2012 MY… (GCUS-9-939, Sep 2015)
• Extended coverage On some various model year vehicles, the throttle-position sensor may cause the engine to run rough, cause the malfunction-indicator lamp and/or an engine reduced power message to illuminate, and reduce the engine's power. 14582A - Special Coverage (2012 model year Buick Enclave, Lacrosse, Regal;… (GCUS-9-1009, Oct 2015)
• Extended coverage Special Coverage Adjustment - Engine Balance Chain and Fuel Pump - Equipped with 2.4L Engine (LAF) (12313, Jul 2013)
• Extended coverage 12313C - Special Coverage. Bulletin was revised to remove special coverage adjustment for the fuel pump that is now included in Voluntary Emissions Recall 43180. (GCUS-9-2887, Sep 2016)

From the manufacturer's bulletins filed with NHTSA. A dealer can look up whether a car has had the work done or is still covered.

280 owner complaints · 4 recalls (check a car's VIN for open recalls) · EPA combined: 21–24 mpg · NHTSA: Not rated · 2011 trims and features