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

2006 vs 2007 CHEVROLET IMPALA

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 239 months on market for each model year

Exposure window calculated through Aug 22, 2026

Age-matched reports

▲ 18.8% 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 2006 share 2007 share Share change
SUSPENSION 2.0% 9.9% ▲ 7.9 pts larger share
STEERING 20.9% 13.7% ▼ 7.2 pts smaller share
POWER TRAIN 15.0% 9.6% ▼ 5.5 pts smaller share
WHEELS 1.2% 3.5% ▲ 2.3 pts larger share
SERVICE BRAKES 3.7% 5.6% ▲ 1.9 pts larger share
TIRES 2.3% 4.0% ▲ 1.6 pts larger share
ENGINE 8.6% 10.1% ▲ 1.5 pts larger share
AIR BAGS 6.6% 5.3% ▼ 1.4 pts smaller share
STRUCTURE 2.9% 1.7% ▼ 1.3 pts smaller share
VISIBILITY 4.3% 3.3% ▼ 1.0 pts smaller share
SEAT BELTS 2.5% 1.8% ▼ 0.7 pts smaller share
EXTERIOR LIGHTING 1.6% 2.1% ▲ 0.6 pts larger share
VEHICLE SPEED CONTROL 5.1% 4.6% ▼ 0.5 pts smaller share
ELECTRICAL SYSTEM 14.5% 14.0% ▼ 0.5 pts smaller share
PARKING BRAKE not reported 0.3% ▲ 0.3 pts larger share
FUEL SYSTEM 2.3% 2.5% ▲ 0.1 pts larger share
UNKNOWN OR OTHER 29.5% 29.3% ▼ 0.2 pts smaller share

NHTSA Safety Recalls recalls · snapshot 2026-08-22

Recall campaigns

2006 2

Campaign components: ELECTRICAL SYSTEM

2007 3

Campaign components: ELECTRICAL SYSTEM and FUEL SYSTEM, GASOLINE

NHTSA Consumer Complaints complaints · snapshot 2026-08-21

Safety signals

◆ Fires
22 → 10
◆ Injuries
46 → 56