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

2017 vs 2018 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 107 months on market for each model year

Exposure window calculated through Aug 22, 2026

Age-matched reports

▼ 12.2% fewer reports in the equal exposure window

2017 49 complaints 2018 43 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 2017 share 2018 share Share change
ENGINE 18.3% 30.2% ▲ 11.9 pts larger share
BACK OVER PREVENTION not reported 7.0% ▲ 7.0 pts larger share
SUSPENSION 6.7% not reported ▼ 6.7 pts smaller share
VISIBILITY 6.7% not reported ▼ 6.7 pts smaller share
ELECTRICAL SYSTEM 10.0% 4.7% ▼ 5.4 pts smaller share
SERVICE BRAKES 6.7% 2.3% ▼ 4.3 pts smaller share
WHEELS 3.3% 7.0% ▲ 3.7 pts larger share
STEERING 5.0% 2.3% ▼ 2.7 pts smaller share
POWER TRAIN 5.0% 2.3% ▼ 2.7 pts smaller share
EXTERIOR LIGHTING not reported 2.3% ▲ 2.3 pts larger share
LANE DEPARTURE not reported 2.3% ▲ 2.3 pts larger share
FUEL SYSTEM 5.0% 7.0% ▲ 2.0 pts larger share
STRUCTURE 1.7% not reported ▼ 1.7 pts smaller share
FORWARD COLLISION AVOIDANCE 1.7% not reported ▼ 1.7 pts smaller share
SEAT BELTS 3.3% 2.3% ▼ 1.0 pts smaller share
AIR BAGS 8.3% 9.3% ▲ 1.0 pts larger share
VEHICLE SPEED CONTROL 1.7% 2.3% ▲ 0.7 pts larger share
UNKNOWN OR OTHER 21.7% 30.2% ▲ 8.6 pts larger share

NHTSA Safety Recalls recalls · snapshot 2026-08-22

Recall campaigns

2017 4

Campaign components: AIR BAGS, ELECTRICAL SYSTEM, and POWER TRAIN

2018 3

Campaign components: BACK OVER PREVENTION, ELECTRICAL SYSTEM, and POWER TRAIN

NHTSA Consumer Complaints complaints · snapshot 2026-08-21

Safety signals

◆ Fires
0 → 1
◆ Injuries
1 → 0