Data on Vehicle Trends in the USA • vehicletrends

An R data package containing tidy formatted summary data on vehicle trends in the United States. The primary data source is vehicle listings from marketcheck.com, which have been processed into summary statistics including depreciation curves, mileage accumulation, market concentration, and share of listings breakdowns.

For a live dashboard of the data, visit vehicletrends.us.

Installation

You can install vehicletrends from GitHub:

# install.packages("remotes")
remotes::install_github("vehicletrends/vehicletrends")

Usage

library(vehicletrends)

Once loaded, all datasets are available directly by name. See the datasets article for detailed data dictionaries.

Datasets

Dataset	Description
`vmt_age`	Cumulative odometer mileage quantiles by age, powertrain, and vehicle type
`vmt_daily`	Daily vehicle miles traveled quantiles by powertrain and vehicle type
`vmt_annual_type`	Estimated annual VMT by powertrain and vehicle type
`vmt_annual_model`	Estimated annual VMT by make and model
`depreciation`	Retention rate quantiles for used vehicles by age, powertrain, and vehicle type
`dep_annual_type`	Estimated annual depreciation rate by powertrain and vehicle type
`dep_annual_model`	Estimated annual depreciation rate by make and model
`percent_listings`	Share of vehicle listings across powertrain, vehicle type, and price bin
`percent_dealers`	Percentage of dealers with at least one listing by variable pairs
`hhi_local`	HHI market concentration summary statistics across US census tracts
`p_local`	Local market share summary statistics across US census tracts
`registrations`	Annual vehicle registration counts by US state and powertrain type (2016–2024)

Citation information

If you use this package in a publication, please cite it! You can get the citation by typing citation("vehicletrends") into R:

citation('vehicletrends')
#> To cite vehicletrends in publications use:
#> 
#>   John Paul Helveston (2026). vehicletrends: Data on Vehicle Trends in
#>   the USA. R package version 0.0.3.
#>   https://github.com/vehicletrends/vehicletrends
#> 
#> A BibTeX entry for LaTeX users is
#> 
#>   @Manual{,
#>     title = {vehicletrends: Data on Vehicle Trends in the USA},
#>     author = {John Paul Helveston},
#>     year = {2026},
#>     note = {R package version 0.0.3},
#>     url = {https://github.com/vehicletrends/vehicletrends},
#>   }