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This paper aims at analytical and numerical evaluation of the structure of a Baja. It will be described some load conditions to analyze the overall structure of Baja well as localized elements, in order to prevent premature failure of the vehicle during the competition and improvements in the design phase. The numerical analysis will be conducted via finite elements to establish the optimization of weight and gain performance of the vehicle. Analytical evaluation it will conducted via propositions of physics. Results obtained for the initial concept of the project and compared with the structural changes after the trial proposition will be presented. Analysis of study resulted in improvements in manufacturing reducing weight. Also it was expected to increase the structural performance associated to a better understanding of the vehicle as a whole.