can someone tell me the size of my rotors? -

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Old 06-09-2009, 11:46 AM
1st Gear
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Join Date: May 2009
Posts: 21
Default can someone tell me the size of my rotors?

Hello all,

I need to replace rotors and pads on the back of my 06' A4 2.0T and was wondering if anyone can tell me the size of the rotors all the way around (thinking may replace all 4 with drilled slotted). I've searched but, it seems there are a few diffrent options.

Also, the car is driven by the wifey (very mildly) and I drive fairly often but, it's her daily driver. Should I even bother with the drilled/slotted rotor or just stick to the OEM rotors?

I think I'm going with the Redstuff pads (try to cut down on dust) all the way around too. I got the idea here, so anyone have anything good or bad to say about the pads?

Thanks for your feedback in advance,
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Old 06-09-2009, 10:06 PM
1st Gear
Join Date: Dec 2008
Location: Suburbs of D.C.
Posts: 19

Front Brake Rotor Diam x Thickness (in) 12.6 x 1.18
Disc - Front (Yes or ) Yes
Brake ABS System 4-Wheel
Rear Brake Rotor Diam x Thickness (in) 11.3 x 0.47

For a 2006 Audi A4 2.0T Quattro;

OK so on one site I found the front rotor as 312x25mm (Front)
and on the rear 255x12mm

but on another site it was saying it could be anywhere from 288 to 312 or higher. as seen below on a 2006 Audi A4 2.0t Q;

RAYBESTOS Part # 980469 {9.639" / 5 Bolts PG Plus}
Rear; Front Wheel Drive; 245mm Rotor Diameter

$40.79 $0.00 $40.79
RAYBESTOS Part # 980468 {Outside Diameter 11.33 / 5 Bolt Holes PG Plus}
Rear; All Wheel Drive; 288mm Rotor Diameter

$52.79 $0.00 $52.79
RAYBESTOS Part # 980413 {Outside Diameter 11.328" / 5 Bolt Holes PG Plus}
Front; 2 Dr. Convertible; 288mm Rotor Diameter

$69.89 $0.00 $69.89
RAYBESTOS Part # 980001 {Outside Diameter 12.283" / 5 Bolt Holes PG Plus}
Front; 2 Dr. Convertible; Front Wheel Drive; 312mm Rotor Diameter; Supplied In Noise Dampening Iron
Front; All Wheel Drive; 312mm Rotor Diameter; Supplied In Noise Dampening Iron

$86.99 $0.00 $86.99
BECK/ARNLEY Part # 0832579
Front; Premium Vented;288mm Rotor Diameter

$60.99 $0.00 $60.99
WAGNER Part # BD126324 {Brake Rotor}
Front; From VIN No. 8N5011001; w/312mm Dia. Rotor (Only 2 Remaining)

$70.79 $0.00 $70.79
RAYBESTOS Part # 980491 {Advanced Technology (Up to a $25 Rebate with Purchase of Select Raybestos Rotors and Pads. See More Info for Details)}
Front; 345mm Rotor Diameter

To convert inches to mm - multiply inches by 25.4
To convert mm to inches - multiply millimeters by 0.0394

hope this helps

Last edited by JDS1985_B7; 06-11-2009 at 04:09 AM.
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Old 06-10-2009, 08:14 AM
Senior Member
Join Date: Feb 2009
Posts: 112

While it appears as though the last poster had the dimensions right in inches, his math is way off.

Stock Rotor size

* Front - 12.6"/320x30 mm - Ventilated disc / ContiTeves FNRG-60
* Rear - 11.3"/ 288x12 mm - Solid disc / TRW CII-41

This was taken from the FAQ on another forum if you have other questions it might be useful in the future:
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Old 06-12-2009, 04:46 PM
1st Gear
Join Date: Jan 2008
Posts: 70

I used and even was able to get free pads (even the front ones with the sensors were free). I ended up with dimpled and time I'll probably not get slotted but just dimpled. When I put on the brakes now at high speed there's a little vibration from the slots. Not bad, just would prefer it not be there. Other than that have been very pleased.
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Old 08-05-2015, 02:06 PM
1st Gear
Join Date: Aug 2015
Posts: 1
Default What size rotor do I need?

I have a 2005 Audi A4 Quattro Avant 3.0L and I need to know what size rotor i need to buy for the front?
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2006, 320x30, 345mm, a4, audi, bd126324, brake, cii41, fnrg60, front, mm, rotor, rotors, size, trw

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