Purchased FSD versus the FSD subscription
Tesla offers its Full Self-Driving capability in two ways, and the difference matters enormously when buying used. Purchased FSD, often called lifetime FSD by shoppers, is a one-time option bought for a specific car. Because it is attached to the vehicle rather than to a person, it generally stays with the car when the car is sold. The FSD subscription, by contrast, is a recurring monthly charge tied to an owner's Tesla account. It stops when the subscription is cancelled and does not carry over to a new owner on resale.
This is why a used Tesla that already has purchased FSD can be worth seeking out. You inherit a capability that would otherwise cost a significant amount to add, without paying a monthly fee. A car being driven by someone who merely subscribes to FSD does not carry that benefit forward, so read listings carefully.
Why outright-purchased FSD stays with the car
Because purchased FSD is a vehicle option rather than an account service, it is recorded against the car itself. When ownership transfers, the capability remains enabled on that vehicle. That said, Tesla's policies around driver-assistance features have changed over time, so the safe approach is always to confirm the exact status on the specific car rather than assuming based on the model or model year.
Why HW3 versus HW4 matters
Full Self-Driving relies on the car's onboard computer, and Tesla has shipped different hardware generations over the years, commonly referred to as HW3 and the newer HW4. The hardware a car was built with affects which capabilities it can run now and in the future. A car may have the FSD option enabled while using older hardware, so when you evaluate a used Tesla with FSD it is worth knowing both that the option is present and which hardware version the car uses. Do not assume every FSD car has the latest computer.
How to verify FSD before you buy
Never take a listing's word for it. Use these checks:
- The car's screen: open the software or Autopilot section on the central display and look for the Full Self-Driving capability rather than just Autopilot or Enhanced Autopilot.
- The Tesla account: the vehicle's own Tesla account and window sticker or option codes can show whether FSD was purchased for that car.
- Listing language: be cautious when FSD appears only in free text. A dealer describing a car as having FSD is not the same as the option being owned on the vehicle.
Tesla Hunter Pro is built to help here. It reads listing data and photos to detect likely FSD cars, and it flags cars where FSD is only claimed in the text as unverified, so you can focus your own verification on the most promising candidates.
FAQ
Does purchased FSD transfer to the new owner?
When Full Self-Driving is bought outright it is generally tied to the car rather than the person, so it stays with the vehicle when it is sold. A monthly FSD subscription does not transfer, because it belongs to the account paying for it.
What is the difference between lifetime FSD and the FSD subscription?
Lifetime or purchased FSD is a one-time option attached to the car, so it stays with the vehicle. The subscription is a recurring monthly charge on an owner's account that stops when cancelled and does not carry over on resale.
How do I verify a used Tesla really has FSD?
Check the software section on the car's screen for the Full Self-Driving capability, confirm the option through the car's Tesla account, and be cautious of listings that only mention FSD in the text. Tesla Hunter Pro helps detect and flag likely FSD cars.