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

In 181,256 New Jersey initial inspections in 2025 of vehicles sent through the safety lane, 6.4% of cars aged 16+ years failed the brake test against 0.5% of cars under 3 years, about 13 times as often (record counts, not a sample).

<30.5%

3-41.0%

5-61.7%

7-92.5%

10-123.5%

13-154.2%

16+6.4%

What it shows: 16+ is the largest at 6.4%, followed by <3 at 0.5%; the smallest shown is <3 at 0.5%.

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