The answer is no, Etka parts CD clearly shows 4 versions of front discs as follows;
256x22mm - 1.6 A3 with 14" Wheels
280x22mm - TDI 90, 110, 115 and 1.8 (125 bhp) with 15" wheels
288x25mm - ALL A3's above 150Bhp including Quattro's
312x25mm - S3 ONLY.
Pads for the front are 1J0 698 151, with only the letter changing from A thru G dependent on discs used. S3 uses different pads again.
Rear pads are the same for all A3's with the exception of the S3. 1J0 698 451 - Pad set. Rear.
Rear discs are the same for the all front wheel drive A3's
232x9mm Disc, rear (Frnt wheel drv.) 1J0 615 601
232x9 mm Disc, Rear (Quattro) 1J0 615 601 D
And the S3 uses a completely different part number due to it's ventilated 256x22 mm rear discs.
I know there's more infomation than you need to answer your question, but it saves me having to dig out the info in the future.
Gambba.
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