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

2003 vs 2004 KIA SEDONA

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 275 months on market for each model year

Exposure window calculated through Aug 22, 2026

Age-matched reports

▲ 9.7% more reports in the equal exposure window

2003 155 complaints 2004 170 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 2003 share 2004 share Share change
WHEELS 3.9% 19.4% ▲ 15.5 pts larger share
AIR BAGS 14.8% 3.5% ▼ 11.3 pts smaller share
STEERING 0.7% 11.8% ▲ 11.1 pts larger share
ELECTRICAL SYSTEM 16.1% 8.8% ▼ 7.3 pts smaller share
SEAT BELTS 5.2% 1.2% ▼ 4.0 pts smaller share
SUSPENSION 4.5% 8.2% ▲ 3.7 pts larger share
FUEL SYSTEM 4.5% 1.2% ▼ 3.3 pts smaller share
VEHICLE SPEED CONTROL 7.7% 5.9% ▼ 1.9 pts smaller share
POWER TRAIN 0.7% 2.4% ▲ 1.7 pts larger share
PARKING BRAKE not reported 1.2% ▲ 1.2 pts larger share
TIRES 0.7% 1.8% ▲ 1.1 pts larger share
ENGINE 12.9% 13.5% ▲ 0.6 pts larger share
EXTERIOR LIGHTING 1.3% 1.8% ▲ 0.5 pts larger share
VISIBILITY 1.9% 2.4% ▲ 0.4 pts larger share
STRUCTURE 1.9% 1.8% ▼ 0.2 pts smaller share
SERVICE BRAKES 12.3% 12.4% ▲ 0.1 pts larger share
UNKNOWN OR OTHER 48.4% 45.9% ▼ 2.5 pts smaller share

NHTSA Safety Recalls recalls · snapshot 2026-08-22

Recall campaigns

2003 4

Campaign components: SERVICE BRAKES, AIR and VEHICLE SPEED CONTROL

2004 2

Campaign components: VEHICLE SPEED CONTROL

NHTSA Consumer Complaints complaints · snapshot 2026-08-21

Safety signals

◆ Fires
21 → 13
◆ Injuries
24 → 25