Equal-exposure complaint evidence and changes in the reported problem mix

2011 vs 2012 BUICK REGAL

NHTSA Consumer Complaints complaints · snapshot 2026-08-21

Share shifts show how a vehicle's problem mix changed. They do not measure reliability, and complaint counts are not normalized for sales volume.

First 179 months on market for each model year

Exposure window calculated through Aug 22, 2026

Age-matched reports

▼ 66.9% fewer reports in the equal exposure window

2011 275 complaints 2012 91 complaints

NHTSA Consumer Complaints complaints · snapshot 2026-08-21

Component share shift

Bars start at the neutral midpoint. Left means a smaller share; right means a larger share.

View component share data as a table
Component 2011 share 2012 share Share change
EXTERIOR LIGHTING 12.3% 34.1% ▲ 21.8 pts larger share
ENGINE 27.1% 11.0% ▼ 16.1 pts smaller share
SUSPENSION 2.2% 11.0% ▲ 8.8 pts larger share
POWER TRAIN 10.5% 3.3% ▼ 7.2 pts smaller share
FUEL SYSTEM 4.3% 1.1% ▼ 3.2 pts smaller share
STEERING 4.3% 1.1% ▼ 3.2 pts smaller share
ELECTRICAL SYSTEM 9.8% 6.6% ▼ 3.2 pts smaller share
STRUCTURE 0.7% 3.3% ▲ 2.6 pts larger share
AIR BAGS 1.8% not reported ▼ 1.8 pts smaller share
SERVICE BRAKES 6.1% 7.7% ▲ 1.6 pts larger share
TIRES 0.4% 1.1% ▲ 0.7 pts larger share
PARKING BRAKE 0.7% not reported ▼ 0.7 pts smaller share
VEHICLE SPEED CONTROL 4.0% 4.4% ▲ 0.4 pts larger share
SEAT BELTS 0.4% not reported ▼ 0.4 pts smaller share
WHEELS 0.4% not reported ▼ 0.4 pts smaller share
LANE DEPARTURE 0.4% not reported ▼ 0.4 pts smaller share
VISIBILITY 0.4% not reported ▼ 0.4 pts smaller share
UNKNOWN OR OTHER 18.8% 23.1% ▲ 4.3 pts larger share

NHTSA Safety Recalls recalls · snapshot 2026-08-22

Recall campaigns

2011 4

Campaign components: ELECTRICAL SYSTEM, EXTERIOR LIGHTING, and SEATS

2012 7

Campaign components: EXTERIOR LIGHTING, SEATS, and SUSPENSION

NHTSA Consumer Complaints complaints · snapshot 2026-08-21

Safety signals

◆ Fires
7 → 2
◆ Injuries
7 → 4