Last update: 18 March 2023
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13000+ model years
48000+ model trims
I analyzed how American cars evolved over past 30 years. The average engine size rose from 3.33 L in 1990 to 4.09 L in 2007 then dropped to 3.42 L in 2022 due to introduction of turbochargers that allowed downsizing engines, meantime horsepower rose from 142 HP in 1990 to 313 HP in 2022.
Year-Make-Model is a car database started in February 2013. This page shows number of makes and model years at each successive update.
Year-Make-Model-Trim-Specs is a project started in 2014, This page show number of makes, model names, model years and trims at each successive update.
While analyzing data scraped from Edmunds, I decided to do several changes, correcting few obvious mistakes (example: AMG models and Yukon Denali) and improving model hierarchy to reduce number of so-called models with short production period, which are actually trims of a long-production model: