Focus of customers only on the best model’ parameters of urban wheel transport with electric drive (trolley-, electric- and hybrids) presented at the world market today leads to objective lag minimum in five and more years from the achievable technical/technological world level. This paper targeted to create on example of serially made trolley-bus models an objective dataset for determining and extrapolation the trends of its perfection physically informative indicators. Reasonable by the theory of similarity and dimensional analysis the model’ structure and the kernel of perfection level index obtained and characterized by the possibility of its periodic upgrading in accordance with the customers and designers requirements. On example of the known traction transmissions’ structures the circuit-logical technique of taking notes its reliability at express diagnostics of the certain trolley-bus model perfection level developed. Further increasing of some numeric markers of energy efficiency, load capacity, comfort, ergonomics and operational reliability of the T-buses by adequate linear trends is confirmed. Accented, that the open access to the dataset of the vehicle’ perfection level indicators is one of the foremost challenges in methodology of its CAE-methods optimal design.