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tesla S needs wider tires on the back (upgrade option)

I think it really does.
It would look better since the rear of the car is fairly wide, and wider tires would provide extra grip too.
Elon's car already have them, do you think it should be an upgrade option ?

Maybe in the new Sport package available next year?

Absolutely needs them. I hate the rear end wiggle when mashing the pedal. Honestly, the performance shouldn't be sold without wider rear tires and a stiffer suspension upgrade.

Are you guys aware that the performance version comes with Continental Extreme Contact DW 245/35R21?
http://www.teslamotors.com/models/specs

245 mm (9.65 in) is already pretty wide by my standards. Then again, I'm no sports car junkie, just trying to make sure you know what you wish for.

Also make sure that you check out the wheel options in the new range calculator:
http://www.teslamotors.com/goelectric#range

Even though both, the 21 inchers and the 19 inchers, have a specified width of 245 mm, the 19 inchers offer a little more range (less rolling resistance due to, e.g., smaller tread pattern and stiffer rubber). The penalty in terms of range (mileage, cost) may be insignificant to some, but should be considered before putting on even sportier tires.

245s are not wide for the rear - my wife's Z3 2.8 has 245s and my 928 has 255s.

Just to offer some more data for comparison: The legal maximum for the rear tires on a regular 911 is 265, although some people seem to put on 285s. But then again, the 911 is a very unusual car (the only mass-produced rear-engine layout of our times, AFAIK) and it demands abnormally wide rear tires (and actually surprisingly narrow front tires) to accelerate and handle nicely.

I think I read somewhere (Inside Line?) that the sport package which had wider back tires. was reviewed (prototype) made the handling more difficult. I suspect that there is more fine tuning to do before it is ready for the market. I hope that they can increase the performance without compromising the ride.

Elon has 265s on his.

Volker: The link (http://www.teslamotors.com/goelectric#range) took me to an old discussion about the Roadster. I had to change my region setting for the Tesla website to the US to see the information. Very interesting - hadn't realised this was available. Note to self: Need to switch to US site more often ;-)

jackie.hale, I *only* use the US version of Tesla's website. Sometimes, but rarely, I switch to German for a brief moment, just to check if there is any new region-specific information there (as a general rule, there isn't).

Not only is the US version far more up-to-date and more informative, particularly wrt the Model S, but also the German translation is weird and clunky, and I cannot stand looking at it for any period of time. (Yes, I told Tesla multiple times already, but I was reassured that this is the way they want it to be. Oh well.)

Elon has 265s on his. (Brian H)

...on his 911? :-P

Do not worry my friends.... Your performance edition will soon provide you with an opportunity (dare I say, multiple opportunities) to try wider tires. If it is anything other cars I have owned with horsepower north of 400, you'll be shopping in three to four thousand miles at first. If you sit on a wallet that feels such purchases, that will probably stretch to six thousand after the first few purchases.

With respect to handling, conventional wisdom would have wider rear rubber inducing push (under steer for those that are more civilized). Push is not bad for a street car as it removes the need for Montoya type reflexes (think Porsche CGT). Plus, how often does one really search out the limits of lateral grip on a 4600 lb sportscar.

Regretfully, our European friends will have to rely on Tesla to "ok" larger rear options as they are more restricted on how much they can muck with things like tires. I guess that is part of the trade off you make for actually being able to use your performance car.

On the plus side, the fronts should be good for fifteen thousand :)

I agree, wider tires to plant the power.
My Carrera 4 (all wheel drive) has 305 rears for example...

245s? I didn't realize that. They need to be wider. My M5 has 285s and my GT3 RS has 325s. The Tesla rears need to be 285, but to do that you will need wider rims. Does anyone know what the fitments are on the Tesla?

Just ordered the S performance pkg, and probably like to put on a set of HREs and up the tire widths.

I guess my next tires will be 265s.
Don't think tesla can deny us that since Elon has them and it seems to work fine on his car ;)

Only on the rear; he has 245s in front.

yep, I know this part.

My (soon-to-be-other) car is a Corvette Z06 with 325 in the back. They look absurd when they're off the car so you can see how wide they are.

As noted earlier, I'm pretty sure really wide tires have a negative impact on range. If Tesla ever puts in a super charger in at Laguna Seca, maybe I'll look in to some wider tires for the Model S.

Sheeze, you guys really need to loosen up a bit. I just ordered a set of Spec5 20" wheels from 360 Forged (wheel Executives are the reseller), they are great wheels, I have a set on my Viper. Rear: 10.5 inch wide with 295/30VR20 Pirelli P-Zero's and Front: 9.5 inch wide with 265/35VR20 with chrome lips and white-painted spokes and center caps. I have had wheels powder-coated and painted and by far the more durable coating has been standard automotive paint with clear-coat. The tires are tall enough to avoid rim damage from bumps, but provide a much more aggressive stance to the car, without ruining the ride or range. With proper inflation there is not an enormous difference in rolling resistance between the standard Model S tires and 265 + 295 series tires. It will be fun to pop that fuse out and do a standing burnout.

The rear tires on the P85 are 20 mm wider than the front if you get the $3500 21" wheels.

@bobrode - I think that's only if you get the Performance Plus package. Otherwise they're the same. Mine are, anyway.


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