The Kaggle dataset on sold used cars in the period 1983-2020 contains information on over 370,000 used cars sold. The dataset includes details on various features of the cars, such as make, model, year, mileage, price, number of seats, kilometer driven in car etc. This dataset is frequently used for analysis and modeling tasks such as predicting the price of a used car based on its features or identifying trends in the used car market over time.