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This paper documents the development of the 2002 Buick Rendezvous body structure for optimum noise & vibration performance. Accelerated vehicle development timing demanded clearly defined body structure vibration performance targets, with critical dependence on math based modeling. The 2002 Buick Rendezvous was truly a fast-to-math program enabled partially by borrowing some of its structural features from the recently launched Pontiac Aztek Competitive performance data collected for the Aztek was tailored to the Rendezvous for setting major global body structure targets. Architectural differences in overall vehicle size and body opening configuration led to adjustments in body matchboxing, bending and torsional requirements. The frequency domain “mode map” was modified to these requirements taking into account the Buick Brand Character. Computer simulation models were used exclusively to predict body structural performance.