According to the U.S. Bureau of Labor Statistics, prices for motor vehicle parts and equipment were 45.90% lower in 1978 versus 2017.
Between 1978 and 2017: Car parts experienced an average inflation rate of 1.59% per year. In other words, car parts costing $500 in the year 1978 would cost $924.22 in 2017 for an equivalent purchase. Compared to the overall inflation rate of 3.45% during this same period, car parts inflation was lower.
In the year 1978: Pricing changed by 2.95%, above the average yearly change for car parts during the 1978-2017 time period. Compared to overall inflation for all items in 1978 (7.09%), 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: