Current GMAC mortgage rates for the mortgage scenario listed below. Using GMAC’s “rate service”offered on their mortgage website we checked out mortgage rates for an optimal scenario (listed in the table below), and the results were surprisingly disappointing. GMAC mortgage rates are the highest we’ve seen. Despite our findings, because of how high GMAC mortgage rates came in using their rate service, you may want to investigate further including calling into GMAC if you are for some… Read more