Each year the credit union provides financial benefits to our members through the different products and services. These benefits help our members save money compared to banking at other institutions. Arapahoe Credit Union offers great returns on savings accounts and low interest rates on various loans. Earn more than most local institutions when opening a CD or money market account. Additionally, when it comes to a loan, ACU offers low interest rates on credit cards and lower payments on auto loans saving money over the life of the loan.