The P85+ initially cost $6,500 more and offers the following additional options:
The 2019 Model S Long Range and Performance versions have the same 100 kWh traction battery, but are equipped with the new permanent magnet synchronous reluctance motors resulting in a better efficiency and longer range.
All Model S vehicles with the Tech package produced after November 2013 have heated side mirrors.
The Model S Sub-Zero Weather Package includes washer nozzle heaters, heated front and rear seats, heated side mirrors and heated windshield wipers via the front windshield. It was introduced as an option in April 2014.
A new heated steering wheel was added as a new component of the Subzero Weather Package in December 2014.
The instrument cluster display resolution was improved from 1280 x 480 to 1920 x 720 in August 2014.
In January 2015 Tesla added a new rear seating option called Executive Rear Seats (ERS). This option required the Premium Interior Package and forced the Subzero Weather Package.
The ERS customized the rear cabin area of the Model S with private and comfortable executive rear seats, which are wrapped in leather and include two zone heaters.
A wide center console offering hidden storage separates the rear seats.
The option was discontinued in July 2015.
P85D, P90D, P100D and Performance.
After April 2016 Tesla began to offer a HEPA air filtration system that is 100 times more effective than premium automotive filters. Includes a Bioweapon Defense Mode.
The ‘Smart Air Suspension’ was introduced in 2012 (optional) and made standard in May 2017.
The option was introduced in 2012 and discontinued in November 2018.
All Model S vehicles produced after April 2016 have a refreshed design.
What's more, all refreshed Model S cars are equipped with upgraded 48A on-board charger.
To answer this question we have made a special timeline. Please, take a look.
AutoPilot hardware known as Driver Assistance Features is added to the Model S via the ''Tech Package with Autopilot'' option. Driver Assistance Features are composed of the following technology:
Traffic Aware Cruise Control and Lane Departure sensors and Speed Assist are added as part of the Tech Package with ''Autopilot'' option.
Tesla enables autopilot for its Model S.
Many of the new Autopilot features are now a bundled macro option which is made available in the Autopilot Convenience Features Option (ACFO):
New Driver Assistance Features are added to the Model S cars equipped with the Driver Assistance Features:
Tesla releases new Autopilot 2.0 hardware suite for Model S and Model X. 8 cameras, 12 new ultrasonic sensors and radar provide 360 degree coverage around the vehicle with almost twice the sensor range and resolution of the prior version.
This new hardware will be utilized by two optional software enabling packages. Both can be purchased after delivery.
The first package is called Enhanced Autopilot. It is an improvement over the first Tesla Autopilot.
Full Self-Driving Capability — is a second optional software package. It is designed to be able to conduct short and long distance trips with no action required by the person in the driver’s seat.
Vehicles with 1.0 hardware no longer receive autopilot updates.
Tesla releases new powerful Autopilot 2.5 hardware suite for Model S, Model X and Model 3.
This is the minimum hardware version to get the built-in dashcam and a fully functional Sentry Mode.
Vehicles with 2.0 hardware will no longer receive autopilot updates.
To sum it up, all Model S vehicles produced after September 2014 can be equipped with Driver Assistance Features. But if you want Full Self-Driving Capability you should consider only vehicles with the Autopilot 2.5 hardware (produced after August 2017).