1. A system, comprising: a vehicle data system coupled to one or more computing devices over a network, the vehicle data system comprising: a data gathering module configured to operate in a back-end process to: retrieve historical transaction data obtained from a set of data sources coupled to the vehicle data system over the network, wherein the historical transaction data is collected simultaneously from each of the set of data sources and comprises data on vehicle transactions; a processing module to: determine a plurality of sets of historical transaction data, where each of the plurality of sets of historical transaction data is associated with a vehicle configuration, and determine pricing data corresponding to a specified vehicle configuration by applying one or more models to the set of historical transaction data associated with the specified vehicle configuration, wherein the pricing data includes a set of transaction price based data and one or more quantifiable prices determined based on the set of historical transaction data associated with the specified vehicle configuration; and an interface module to: receive the specified vehicle configuration from a user at a computing device in a request received over one of a plurality of channels, and respond to the request in real-time by generating an interface based on the pricing data determined by the data gathering module in the back-end process, wherein the interface presents the one or more quantifiable prices in association with the transaction price based data through one or more of the plurality of channels.