Which model years show up most in the complaints?

2017 is the most common model year in 2,782 complaints naming this part (28%); 2 model years account for 51%.

Complaints by vehicle model year

What it shows: 2017 is the largest at 775 (28%), followed by 2015 at 257 (9%); the smallest shown is 2025 at 13 (0%).

Source: NHTSA owner complaint files · downloaded 2026-10-05

Data and chart by CalcScrape: Spark Plug Replacement Cost Calculator