
The CPI last rotated the used cars and trucks sample in 2018. When sample rotation occurs, the entire sample is rotated at the national level. Taxes are then applied to each observation based on their assigned tax jurisdiction within each individual CPI sample area. Prices were then replicated in all other “Children” CPI areas within each region with appropriate weight adjustments. The ten largest CPI sample areas within each region were assigned as “Parent” regions.

Power Valuation Services NADA values regions. This national sample of 480 observations was proportionally allocated using 2010 Census CPI stratum populations to each of the ten J.D. A sample of 480 two to seven year old vehicles was selected from the JDPIN based on probability proportionate to sales. Power Information Network (JDPIN), a network of car dealers who report sales of used vehicles to the J. The CPI’s used cars and trucks sample is designed using data from the J.D. The relative importance of an item category is its percent of the CPI weight as of December of the most recent year. The weight of used cars and trucks in the Consumer Price Index is determined by spending on used cars and trucks, less trade-ins on new and used vehicles and other sales of consumer owned vehicles. Light trucks in the index include pickup trucks, vans, and specialty vehicles like sport/cross utility vehicles.

Subcompact, compact or sporty, intermediate, full, and luxury cars are all included in the index. The used cars and trucks index is comprised of used vehicles that are between 2 and 7 years of age. The used cars and trucks index is published monthly at the U.S., regional, and area level. The used cars and trucks index, a component of the private transportation index, is included in the transportation group of the Consumer Price Index (CPI). Consumer spending on vehicles Measuring Price Change in the CPI: Used Cars and Trucks
