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

1992 vs 1993 PONTIAC GRAND PRIX

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 407 months on market for each model year

Exposure window calculated through Aug 22, 2026

Age-matched reports

▲ 14.0% more reports in the equal exposure window

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 1992 share 1993 share Share change
SERVICE BRAKES 31.6% 39.2% ▲ 7.7 pts larger share
VEHICLE SPEED CONTROL 3.5% 0.8% ▼ 2.7 pts smaller share
STEERING 3.5% 5.4% ▲ 1.9 pts larger share
PARKING BRAKE 1.8% not reported ▼ 1.8 pts smaller share
ENGINE 7.9% 6.2% ▼ 1.7 pts smaller share
POWER TRAIN 6.1% 4.6% ▼ 1.5 pts smaller share
STRUCTURE 2.6% 1.5% ▼ 1.1 pts smaller share
WHEELS 1.8% 0.8% ▼ 1.0 pts smaller share
EXTERIOR LIGHTING 5.3% 6.2% ▲ 0.9 pts larger share
VISIBILITY 0.9% not reported ▼ 0.9 pts smaller share
AIR BAGS not reported 0.8% ▲ 0.8 pts larger share
ELECTRICAL SYSTEM 24.6% 23.9% ▼ 0.7 pts smaller share
TIRES 0.9% 1.5% ▲ 0.7 pts larger share
SEAT BELTS 1.8% 2.3% ▲ 0.6 pts larger share
SUSPENSION 0.9% 0.8% ▼ 0.1 pts smaller share
UNKNOWN OR OTHER 80.7% 86.9% ▲ 6.2 pts larger share

NHTSA Safety Recalls recalls · snapshot 2026-08-22

Recall campaigns

1992 2

Campaign components: FUEL SYSTEM, OTHER and POWER TRAIN

1993 2

Campaign components: FUEL SYSTEM, OTHER

NHTSA Consumer Complaints complaints · snapshot 2026-08-21

Safety signals

◆ Fires
6 → 8
◆ Injuries
4 → 13