What type of transmission fluid does the 2005 chevy impala use?

The 2005 Chevy Impala originally used Dexron II or III fluid but those have now been discontinued and You are going to need to use Dexron ViAutomatic transmission fluid for this vehicle. The 4-speed automatic 4T65-E transmission in Your vehicle is going to have a total fill fluid capacity of 13.4 US quarts. If You want to do this job solo You can expect to spend between $70 and $120+ in fluid costs. If You want to take it in to a shop instead the total cost parts and labor is going to come in at between $200 and $275.