Tesla is now offering ‘Ludicrous’ battery upgrade as a retrofit for the Model S P90D
Last summer, Tesla introduced both a new and bigger 90 kWh battery pack and the ‘Ludicrous mode’ upgrade for a higher level of performance on the already insane Model S. The automaker offers the upgrade for a $10,000 premium when configuring a Model S P90D or as a retrofit for Model S P85D owners who, at the time, had just witnessed their less than 1-year old cars already outperformed by the new version.
Tesla ended up significantly reducing the price of the retrofit to just $5,000 for the P85D and now for the first time, the automaker is offering the upgrade as an aftermarket retrofit for the Model S P90D – meaning that someone configuring the Tesla’s top of the line vehicle could decide to pass on the ‘Ludicrous mode’, but later add it for the same price plus labor. Expand
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Tesla CEO Elon Musk confirmed that the company can’t offer the Autopilot as a retrofit. There are a few aftermarket options available to add driver assist features to a car, but nothing close to Tesla’s ‘Autosteer’ and ‘Auto Lane Change’ features… until now. 
