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When we talk about vehicle performance one must think its capacity and engine efficiency. Along with this braking system is also one of the major essential system in a vehicle to the application of stop or slow. So in a brake system one of the important parts (i.e., brake disc) which faces different types of forces and thermal stresses in it during braking phase. So, a brake disc should have capability to bear all that force while in any working conditions. For this the material and the design should be the major criteria taken into account. We took Bajaj pulsar 220F model as an example for parameters. In this work 3 different disc designs were taken with 3 different materials such as Grey cast iron grade 250 (GCI), Stainless Steel (SS)and Titanium Alloy (TA).With all these, structural analysis and thermal analysis is done with the help of ANSYS 14.5. From the two analysis we got the results and we concluded that the disc 1 with stainless steel material possessing best outputs in terms of static structural and the same disc with grey cast iron possessed better results in terms of transient thermal among the 3 disc design models. So, the disc 1 is concluded as optimum disc design and suitable for automobile braking applications.

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