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

1999 vs 2000 BUICK CENTURY

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

▼ 16.6% fewer reports in the equal exposure window

1999 229 complaints 2000 191 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 1999 share 2000 share Share change
POWER TRAIN 3.5% 20.4% ▲ 16.9 pts larger share
ENGINE 23.1% 11.5% ▼ 11.6 pts smaller share
SERVICE BRAKES 10.9% 14.1% ▲ 3.2 pts larger share
VEHICLE SPEED CONTROL 5.2% 2.1% ▼ 3.2 pts smaller share
EXTERIOR LIGHTING 9.6% 6.8% ▼ 2.8 pts smaller share
SEAT BELTS 2.2% 4.2% ▲ 2.0 pts larger share
STRUCTURE 3.1% 1.6% ▼ 1.5 pts smaller share
AIR BAGS 6.1% 4.7% ▼ 1.4 pts smaller share
ELECTRICAL SYSTEM 4.4% 5.8% ▲ 1.4 pts larger share
STEERING 4.4% 5.8% ▲ 1.4 pts larger share
FUEL SYSTEM 3.9% 2.6% ▼ 1.3 pts smaller share
SUSPENSION 2.6% 1.6% ▼ 1.1 pts smaller share
VISIBILITY 12.2% 11.5% ▼ 0.7 pts smaller share
TIRES 1.8% 1.1% ▼ 0.7 pts smaller share
WHEELS 1.3% 1.1% ▼ 0.3 pts smaller share
UNKNOWN OR OTHER 70.3% 69.6% ▼ 0.7 pts smaller share

recalls · none on file

Recall campaigns

1999 0

Campaign components: not reported

2000 0

Campaign components: not reported

NHTSA Consumer Complaints complaints · snapshot 2026-08-21

Safety signals

◆ Fires
4 → 1
◆ Injuries
18 → 11