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

2010 vs 2011 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 191 months on market for each model year

Exposure window calculated through Aug 22, 2026

Age-matched reports

▼ 81.6% fewer 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	2010 share	2011 share	Share change
SERVICE BRAKES	61.5%	42.2%	▼ 19.3 pts smaller share
AIR BAGS	2.4%	7.4%	▲ 5.1 pts larger share
EXTERIOR LIGHTING	5.0%	9.2%	▲ 4.2 pts larger share
VEHICLE SPEED CONTROL	8.6%	5.1%	▼ 3.5 pts smaller share
ELECTRICAL SYSTEM	3.9%	7.0%	▲ 3.2 pts larger share
ENGINE	4.3%	7.4%	▲ 3.1 pts larger share
VISIBILITY	0.6%	2.2%	▲ 1.6 pts larger share
POWER TRAIN	1.9%	3.1%	▲ 1.2 pts larger share
STRUCTURE	0.9%	1.4%	▲ 0.5 pts larger share
FUEL SYSTEM	1.6%	1.2%	▼ 0.4 pts smaller share
FORWARD COLLISION AVOIDANCE	0.6%	1.0%	▲ 0.3 pts larger share
SEAT BELTS	0.5%	0.2%	▼ 0.3 pts smaller share
SUSPENSION	0.2%	0.4%	▲ 0.2 pts larger share
STEERING	0.8%	1.0%	▲ 0.2 pts larger share
TIRES	0.3%	0.4%	▲ 0.1 pts larger share
PARKING BRAKE	0.1%	not reported	▼ 0.1 pts smaller share
WHEELS	0.4%	0.4%	▼ 0.0 pts smaller share
BACK OVER PREVENTION	0.0%	not reported	▼ 0.0 pts smaller share
UNKNOWN OR OTHER	54.4%	17.0%	▼ 37.4 pts smaller share

NHTSA Safety Recalls recalls · snapshot 2026-08-22

2010 10

Campaign components: AIR BAGS, ELECTRICAL SYSTEM, EQUIPMENT, SEATS, and SERVICE BRAKES, AIR

2011 6

Campaign components: AIR BAGS, ELECTRICAL SYSTEM, and SEATS

NHTSA Consumer Complaints complaints · snapshot 2026-08-21