How often does this part fail a real inspection, by car age?

In 181,687 New Jersey initial inspections in 2025 of vehicles sent through the safety lane, 1.0% of cars aged 16+ years failed the steering and suspension test against 0.0% of cars under 3 years (record counts, not a sample).

New Jersey steering and suspension test: share of initial inspections failed, by the age of the car (2025 tests)

What it shows: 16+ is the largest at 1.0%, followed by <3 at 0.0%; the smallest shown is <3 at 0.0%.

Source: New Jersey Motor Vehicle Commission, Vehicle Inspection Data · file downloaded 2026-10

Data and chart by CalcScrape: Control Arm Replacement Cost Calculator