Confused about front rotor size 350mm or 360mm or 390mm
 

Hello, I have a base cayenne 2011 with black caliper and I will soon do a complete brake job. On dealer website parts or third party online check fit, the front rotor 350mm fit, also the 360mm is ok and even the 390mm fit ? I'm confused... Anyone have experience with this and I want to know if there is a difference in caliper size (black, silver and red) and what is the biggest rotor and pads combination I can fit without replacing my base black front caliper. Thanks

The biggest caliper/rotor combination will be limited by the space inside your wheels. Any brake specialist should be able to tell you the right size based on the wheel size on your car. There MIGHT be other clearance issues around suspension components and a system designed for your year/model Cayenne. Someone with access to a shop manual could likely tell you what size rotor is stock if you provide your wheel size (and indicate if it still has original Porsche wheels). But even with that info, it may still require talking to a specialist company that makes kits to update existing Cayenne brakes.

Why do you feel like you need to install larger brakes? Even the base Cayenne has pretty darn effective brakes for street driving and a base Cayenne isn't exactly what you expect for a track car (nor is ANY Cayenne for that matter).

There can also be different brakes included with some option packages especially if the package included different size wheels. And there are different brakes for base, S, turbo (GTS may share Turbo brakes) and you may be able to upgrade to a larger brake/caliper while staying with brakes designed for Cayennes -- but again, the clearance inside the wheel determines the size of the brakes you can install--along with clearance issues around suspension components.

Depending on the year (15+?), the GTS does indeed share the same 390mm rotor and red calipers as the Turbo. The 390 setup will not fit smaller than 19" rims (definitely not 18s).

So, first question is what size rims are on there now? If they're 18's then you're not upgrading calipers without also changing the tires & rims.

As to the 350 vs 360 sizes, I don't know. You're not talking a huge difference, less than a quarter-inch on the radius, which isn't going to translate into much on the braking surface. Still, I'd wonder which is the correct option 350 or 360?

To speak directly to a desire to replace like with like, you've got 350mm rotors. Most of the aftermarket sites don't properly list the Cayenne brakes. Pelican has a great selection.. https://www.pelicanparts.com/catalog..._pg2.htm#item7

I'd like to resurrect this thread. How to tell if my Base 2014 Cayenne has 350 or 360 mm front rotors?

Base cayenne 2011-2014 has 350mm front rotors, Porsche upgraded the base model to 360mm for 2015+ model years.

Then why would every single site that sells brakes, list both 350 and 360 for 2014? What do they not know that you do?)))

360s are for GTS and maybe the S. 390 for Turbo and Turbo S.

390 added to GTS for 2016 and up.

I remembered reading article saying that Porsche upgraded the brakes on 2015+ base model and cayenne diesel to the 360mm found on S models. You don't have to take my word for it though, it's easy enough to call your local dealer, give them the vin, and have them give you the exact part number.

And where do 370mm/14.5" rotors come from??

I had my wheel off on the '14 and measured my rotor and it was 370! That makes no sense at all....

I pulled an order for my aftermarket brake pads, I did not bother about rotor size at that time, but order says pads were for 350 mm rotors and they fit with few mm 'less' than rotor diameter kinda...
So maybe pads should have been ordered for 360 mm or that is the way they fit.

As to the dealer, they are not that shrewd anymore, I bet they will look on the screen that shows them 3 options (350, 360 and 390) with perplexed faces.

Never heard of that size! I was under the impression all CD's were 360mm.

Still confused 3 years later. To make a long story short, I painted my black caliper in red and these are fitting 350 mm rotors. So I purchased recently "real" red calipers from a macan turbo and they told me it's the same caliper as the cayenne turbo and turbo s to fit my new 390 mm rotors. So today I tried the fitment and there is a big gap between the caliper and the knuckle and the rotor is too big to fit inside.

https://cimg8.ibsrv.net/gimg/rennlis...fbb88c455c.png
The gap because the rotor is too big to fit
https://cimg8.ibsrv.net/gimg/rennlis...a9268147b0.png
The look is great but do not fit
https://cimg2.ibsrv.net/gimg/rennlis...e0d5c8abe1.png
The black caliper painted in red (left) and the real red caliper
As I can see the " real red" looks more like a 360 mm setup.

Please help me if you have a setup with 390mm like caliper mesurement and pictures...
Thanks,

The Cayenne Turbo and Macan Turbo do not share the same caliper. You have what is the equivalent of a Cayenne base caliper, which is the came as the Macan turbo caliper.

The Cayenne turbo caliper has extended mounting bolt holes on the rear of the caliper.

You had 3 years to research this. What happened. :icon107:

https://cimg6.ibsrv.net/gimg/rennlis...d1f650572.jpeg