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

1999 vs 2000 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 323 months on market for each model year

Exposure window calculated through Aug 22, 2026

Age-matched reports

▼ 24.2% fewer reports in the equal exposure window

NHTSA Consumer Complaints complaints · snapshot 2026-08-21

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

View component share data as a table

Component	1999 share	2000 share	Share change
AIR BAGS	1.3%	8.8%	▲ 7.5 pts larger share
ELECTRICAL SYSTEM	13.8%	19.2%	▲ 5.5 pts larger share
ENGINE	32.1%	27.5%	▼ 4.6 pts smaller share
SEAT BELTS	4.2%	0.6%	▼ 3.6 pts smaller share
SERVICE BRAKES	7.9%	5.0%	▼ 3.0 pts smaller share
VISIBILITY	7.9%	5.0%	▼ 3.0 pts smaller share
WHEELS	2.9%	0.6%	▼ 2.4 pts smaller share
TIRES	0.8%	2.8%	▲ 1.9 pts larger share
SUSPENSION	2.1%	3.9%	▲ 1.8 pts larger share
POWER TRAIN	3.3%	2.2%	▼ 1.1 pts smaller share
VEHICLE SPEED CONTROL	1.7%	2.8%	▲ 1.1 pts larger share
STEERING	10.4%	11.0%	▲ 0.6 pts larger share
EXTERIOR LIGHTING	2.9%	3.3%	▲ 0.4 pts larger share
STRUCTURE	1.3%	1.1%	▼ 0.2 pts smaller share
PARKING BRAKE	0.4%	0.6%	▲ 0.1 pts larger share
FUEL SYSTEM	2.1%	2.2%	▲ 0.1 pts larger share
UNKNOWN OR OTHER	48.3%	40.7%	▼ 7.7 pts smaller share

NHTSA Safety Recalls recalls · snapshot 2026-08-22

1999 8

Campaign components: ENGINE AND ENGINE COOLING, EXTERIOR LIGHTING, and SERVICE BRAKES, HYDRAULIC

2000 10

Campaign components: AIR BAGS, ENGINE AND ENGINE COOLING, FUEL SYSTEM, GASOLINE, and SERVICE BRAKES, HYDRAULIC

NHTSA Consumer Complaints complaints · snapshot 2026-08-21