Engine performance benchmarking test system for automatic transmission vehicle and use method

The invention relates to the technical field of automobile testing, in particular to an engine performance benchmarking test system for an automatic transmission vehicle and a using method, the test system comprises a vehicle controller used for being electrically connected with an engine and a gearbox; the engine test bench device can be in transmission connection with an engine so as to test therotating speed and torque of the engine and the combustion and emission of fuel; the gearbox driving device comprises a driving execution device and a driving control device, the driving control device is electrically connected with the driving execution device, the driving execution device is used for being in transmission connection with the gearbox, and the driving control device is configuredto control the gearbox and the engine to rotate synchronously; the wheel rotating speed signal processing device is electrically connected with the vehicle controller and used for collecting the rotating speed of front wheels