Complex sentence: On October 9,2014, Tesla announced the introduction of All Wheel Drive (AWD) versions of the Model S' 60,85, and P85 models, designated by a "D" at the end of the model number.
Split into simpler sentences: On October 9,2014, Tesla announced the introduction of All Wheel Drive (AWD) versions of the Model S 60,85, and P85. These are designated by a "D" at the end of the model number.