As far as ARMs go, 5 year interest rates start at 3.000% at GMAC yielding an APR of 3.112% to start. 5/1 Jumbo ARM interest rates have been listed at 3.250% with an APR of 3.112%.
Standard 30 year refinance loan interest rates have been offered at 3.875% at GMAC today yielding an APR of 3.912%. The short term 15 year refi loan deals start at 3.375% today yielding an APR of 3.461%. The 5/1 ARM interest rates at GMAC Mortgage are being quoted at 3.000%. with a starting APR of 3.092%. Refi Jumbo ARMs in the 5 year category are being offered for 3.000% and APR of 3.034%.