According to the U.S. Bureau of Labor Statistics, prices for motor vehicle parts and equipment were 83.89% higher in 2018 versus 1978.
Between 1978 and 2018: Car parts experienced an average inflation rate of 1.53% per year. In other words, car parts costing $500 in the year 1978 would cost $919.45 in 2018 for an equivalent purchase. Compared to the overall inflation rate of 3.40% during this same period, inflation for car parts was lower.
In the year 1978: Pricing changed by 3.04%, above the average yearly change for car parts during the 1978-2018 time period. Compared to inflation for all items in 1978 (7.63%), price inflation for car parts was much lower.
Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for Motor vehicle parts and equipment: