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

2004 vs 2005 TOYOTA PRIUS

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 263 months on market for each model year

Exposure window calculated through Aug 22, 2026

Age-matched reports

▲ 73.8% more 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	2004 share	2005 share	Share change
SERVICE BRAKES	10.5%	22.3%	▲ 11.9 pts larger share
ELECTRICAL SYSTEM	22.8%	11.7%	▼ 11.1 pts smaller share
ENGINE	14.3%	6.2%	▼ 8.1 pts smaller share
EXTERIOR LIGHTING	28.5%	31.1%	▲ 2.6 pts larger share
STEERING	1.3%	3.4%	▲ 2.0 pts larger share
POWER TRAIN	4.5%	2.7%	▼ 1.8 pts smaller share
VEHICLE SPEED CONTROL	6.7%	8.2%	▲ 1.5 pts larger share
FUEL SYSTEM	1.5%	2.1%	▲ 0.6 pts larger share
STRUCTURE	0.3%	0.7%	▲ 0.3 pts larger share
WHEELS	not reported	0.3%	▲ 0.3 pts larger share
AIR BAGS	2.5%	2.8%	▲ 0.3 pts larger share
SEAT BELTS	0.8%	0.6%	▼ 0.3 pts smaller share
TIRES	0.2%	0.4%	▲ 0.2 pts larger share
VISIBILITY	1.0%	1.2%	▲ 0.2 pts larger share
PARKING BRAKE	0.3%	0.2%	▼ 0.1 pts smaller share
SUSPENSION	0.3%	0.2%	▼ 0.1 pts smaller share
UNKNOWN OR OTHER	25.8%	32.9%	▲ 7.1 pts larger share

NHTSA Safety Recalls recalls · snapshot 2026-08-22

2004 6

Campaign components: EXTERIOR LIGHTING, STEERING, and VEHICLE SPEED CONTROL

2005 6

Campaign components: EQUIPMENT, STEERING, and VEHICLE SPEED CONTROL

NHTSA Consumer Complaints complaints · snapshot 2026-08-21