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

2014 vs 2015 INFINITI Q50

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 143 months on market for each model year

Exposure window calculated through Aug 22, 2026

Age-matched reports

▼ 28.3% 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	2014 share	2015 share	Share change
STEERING	36.6%	18.9%	▼ 17.7 pts smaller share
POWER TRAIN	7.7%	20.5%	▲ 12.8 pts larger share
ELECTRICAL SYSTEM	14.8%	5.5%	▼ 9.2 pts smaller share
VEHICLE SPEED CONTROL	6.0%	11.0%	▲ 5.0 pts larger share
SERVICE BRAKES	3.3%	7.9%	▲ 4.6 pts larger share
EXTERIOR LIGHTING	0.6%	2.4%	▲ 1.8 pts larger share
SEAT BELTS	0.6%	2.4%	▲ 1.8 pts larger share
WHEELS	3.3%	1.6%	▼ 1.7 pts smaller share
ENGINE	1.1%	2.4%	▲ 1.3 pts larger share
LANE DEPARTURE	1.1%	not reported	▼ 1.1 pts smaller share
STRUCTURE	0.6%	1.6%	▲ 1.0 pts larger share
VISIBILITY	1.6%	0.8%	▼ 0.9 pts smaller share
AIR BAGS	8.7%	9.5%	▲ 0.7 pts larger share
BACK OVER PREVENTION	0.6%	not reported	▼ 0.6 pts smaller share
SUSPENSION	0.6%	not reported	▼ 0.6 pts smaller share
TIRES	0.6%	not reported	▼ 0.6 pts smaller share
FUEL SYSTEM	1.1%	1.6%	▲ 0.5 pts larger share
FORWARD COLLISION AVOIDANCE	0.6%	0.8%	▲ 0.2 pts larger share
UNKNOWN OR OTHER	15.9%	18.9%	▲ 3.1 pts larger share

NHTSA Safety Recalls recalls · snapshot 2026-08-22

2014 8

Campaign components: AIR BAGS, ENGINE AND ENGINE COOLING, POWER TRAIN, and STEERING

2015 3

Campaign components: AIR BAGS, POWER TRAIN, and STEERING

NHTSA Consumer Complaints complaints · snapshot 2026-08-21