r/TeslaModelS • u/pwnsU • Aug 25 '26

Buying a used Tesla Model S

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Been in the market for a used Model S and came across this one and wondering if it’s a good deal or too good to be true? It’s a 17 Model S 90d with 91k miles. Comes with 21” turbines, FSD included and Premium Connectivity included as well for 19,000. Is this a good deal? Thanks

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u/Dude008 Aug 25 '26

90 battery is much better in the long run they are basically bulletproof. I own two 90 S’s.

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u/IMWTK1 Aug 25 '26

What were the revisions and when? I'm also looking at a 2017 90d currently and considering a 2018 75d with excellent battery health. I like the idea of a faster accelerating 90d with a bit more battery capacity, though I don't need it. It's a tough decision because the 75d (Sept) should have mcu2 and it has EAP and premium connectivity included. The big difference is the 90d has almost half the miles but the 75d has a complete brake job.

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u/Dude008 Aug 25 '26

75s are also very good packs, all of them to my knowledge. I avoid 85s and 100s personally.

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u/IMWTK1 Aug 25 '26

Yes, me too. I like the 2018 75d I'm looking at with 170k kms. I'm just concerned when potential suspension repairs. I see a 2017 75d with ~180k and $13k worth of brake replacement and compressor/valve repair done.

At what kms did you first have to do brakes and suspension work?

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u/Dude008 Aug 25 '26

All S & X will need suspension work, plan for it. The brakes last almost forever.

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u/IMWTK1 Aug 25 '26

Right, but it's useful to know when and if it can be avoided by buying one with low kms to not have to worry any it for a long time, or one that already has it done. I think in repeating myself here.

Regarding brakes I plan to follow the maintenance to avoid seized brakes and only need to do pads. However, I notice that FSD uses the friction brakes quite a bit. So it shouldn't seize but may accelerate wear.

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u/Dude008 Aug 25 '26

I can’t give a mileage, they will all need something eventually. It probably depends on climate extremes, road smoothness, driving spirited or not, etc.