The phrase "standard and available features" refers to the features or options that come with a particular product or service by default (standard) and the additional features that can be chosen or purchased separately (available). Full definition
The popular model provides owners with a variety of standard and available features as well as reliable performance, all for a very affordable price. (elginmitsubishi.biggersmitsubishi.com)
The list does not end there, so be sure to ask about other standard and available features. (fieldschryslerjeepdodge.com)
Let's take a look at the many standard and available features today. (mercedeshoffman.com)