A method of wear testing a tire using an indoor tire wear test machine, characterized by the steps of a. characterizing a first test vehicle by selecting the first test vehicle having at least a first test tire by i. measuring the three directional forces experienced by the at least one tire under a variety of driving conditions and ii. measuring the fore-aft and lateral accelerations and velocities of the first test vehicle when the three directional forces are measured; iii. creating formulas that relate the first test vehicle accelerations and velocities to the three directional forces experienced by the at least one tire: b. characterizing a wear test course by iv. measuring the fore-aft and lateral accelerations experienced by the first or a second test vehicle when the first or a second test vehicle is driven over the wear test course and v. measuring the velocities of the first or second test vehicle when the first or second test vehicle is driven over the wear test course; c. predicting force data that represent the forces that would be experienced by the first test vehicle tire if the first test vehicle were driven over the characterised wear test course by d. substituting the wear course accelerations and velocities for the vehicle characterisation step accelerations and velocities in the formulas created in step (iii), for the at least one test tire and; e. using the predicted force data to drive an indoor tire wear test machine. a. characterizing a first test vehicle by selecting the first test vehicle having at least a first test tire by i. measuring the three directional forces experienced by the at least one tire under a variety of driving conditions and ii. measuring the fore-aft and lateral accelerations and velocities of the first test vehicle when the three directional forces are measured; iii. creating formulas that relate the first test vehicle accelerations and velocities to the three directional forces experienced by the at least one tire: i. measuring the three directional forces experienced by the at least one tire under a variety of driving conditions and ii. measuring the fore-aft and lateral accelerations and velocities of the first test vehicle when the three directional forces are measured; iii. creating formulas that relate the first test vehicle accelerations and velocities to the three directional forces experienced by the at least one tire: b. characterizing a wear test course by iv. measuring the fore-aft and lateral accelerations experienced by the first or a second test vehicle when the first or a second test vehicle is driven over the wear test course and v. measuring the velocities of the first or second test vehicle when the first or second test vehicle is driven over the wear test course; iv. measuring the fore-aft and lateral accelerations experienced by the first or a second test vehicle when the first or a second test vehicle is driven over the wear test course and v. measuring the velocities of the first or second test vehicle when the first or second test vehicle is driven over the wear test course; c. predicting force data that represent the forces that would be experienced by the first test vehicle tire if the first test vehicle were driven over the characterised wear test course by d. substituting the wear course accelerations and velocities for the vehicle characterisation step accelerations and velocities in the formulas created in step (iii), for the at least one test tire and; e. using the predicted force data to drive an indoor tire wear test machine.