Boston Tom

F: 8" 52 OFFSET
R 9.5 47 OFFSET

These are 18" off a 964

Will they work on my 87 S4? Any "Buts"??

Many thanks,

Tom

Adamant1971

Search is your friend on this topic. Many varying opinions and countless threads on the subject. Stock et for the front is 65, IMO the min anyone should go is 55. With the best 18' OEM options being 57 for the C3's and 59 for 18" Panamera wheels.

To answer your question yes they will fit. But the question "will they work" depends on how far outside of stock specs you are willing to go, understanding that handling is effected.

hacker-pschorr

IMO the effects of scrub radius, ackermann effect, tramlining etc.... things commonly associated with using the "wrong" offset wheels, often ignores the fact that different tires can have an effect on these things too. People change from stock 16" wheels and old tires to 17 or 18 inch wheels and new tires and any negative effects of the drive are blamed on the "wrong" offset. Never mind the tires are completely different.......

So yes they will work, but there may be some negative effects to the driving experience due to the different size wheel, offset, and tire choice. I have a set of 17x8 et52 wheels I've run on multiple 928's, including on the track for DE days. Never experienced anything negative because of them. YMMV.

FWIW the 89GT wheels are 17x8 et60.

928cs

16X8 et 60 front.
16X9 et 60 rear, with 17mm spacers.

Boston Tom

Thanks all!

Tom

SwayBar

I would not recommend buying those wheels for a 928.

GeorgeM

https://rennlist.com/forums/market/1200514

SwayBar

From link:

18X8 Fronts, ET57
18X10 Rears, ET58

Those offsets are much better.