The benchmark 30 year loan interest rates are 4.000% at GMAC Mortgage carrying an APR of 4.016% today. The short term 15 year fixed rate loans at the bank are available starting at 3.375% and APR of 3.386% today.
As far as ARMs go, 5 year loans have been offered at 3.000% at GMAC yielding an APR of 3.112% to start. The 5 year Jumbo ARMs can be had for 3.250% and an APR of 3.112%.
The best 30 year refinance fixed rate loan interest rates at GMAC are 3.875% and APR of 3.912%. Popular 15 year refi fixed rate mortgage interest rates are 3.375% and APR of 3.461% today. The 5/1 ARM interest rates at GMAC Mortgage are available starting at 3.000%. and an APR of 3.092%. As far as refi Jumbo ARMs go, 5 year interest rates have been quoted at 3.000% yielding an APR of 3.034%.