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

2015 vs 2016 HYUNDAI SONATA

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 131 months on market for each model year

Exposure window calculated through Aug 22, 2026

Age-matched reports

▼ 18.9% 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	2015 share	2016 share	Share change
ENGINE	40.2%	48.9%	▲ 8.7 pts larger share
POWER TRAIN	8.0%	5.6%	▼ 2.4 pts smaller share
FUEL SYSTEM	4.6%	2.5%	▼ 2.0 pts smaller share
EXTERIOR LIGHTING	2.5%	3.9%	▲ 1.5 pts larger share
STEERING	4.8%	3.7%	▼ 1.2 pts smaller share
VEHICLE SPEED CONTROL	4.1%	3.0%	▼ 1.2 pts smaller share
WHEELS	1.2%	0.1%	▼ 1.1 pts smaller share
SUSPENSION	1.2%	0.3%	▼ 0.8 pts smaller share
SEAT BELTS	1.4%	1.0%	▼ 0.4 pts smaller share
STRUCTURE	2.9%	2.5%	▼ 0.3 pts smaller share
SERVICE BRAKES	3.5%	3.8%	▲ 0.3 pts larger share
LANE DEPARTURE	0.2%	0.5%	▲ 0.3 pts larger share
VISIBILITY	1.9%	1.6%	▼ 0.3 pts smaller share
ELECTRICAL SYSTEM	6.5%	6.3%	▼ 0.2 pts smaller share
AIR BAGS	1.0%	1.2%	▲ 0.1 pts larger share
FORWARD COLLISION AVOIDANCE	0.9%	0.9%	▲ 0.1 pts larger share
PARKING BRAKE	0.2%	0.1%	▼ 0.1 pts smaller share
UNKNOWN OR OTHER	22.0%	21.0%	▼ 1.0 pts smaller share

NHTSA Safety Recalls recalls · snapshot 2026-08-22

2015 12

Campaign components: AIR BAGS, ELECTRICAL SYSTEM, PARKING BRAKE, POWER TRAIN, SEAT BELTS, SERVICE BRAKES, HYDRAULIC, and VISIBILITY

2016 9

Campaign components: AIR BAGS, ELECTRICAL SYSTEM, LATCHES/LOCKS/LINKAGES, PARKING BRAKE, and VISIBILITY

NHTSA Consumer Complaints complaints · snapshot 2026-08-21