ExDementia

I haven't tried those on an Allroad, but there was a set on a Toyota truck that I bought a few years back. They were OK. Tread life wasn't as good as the BFG ATs, and they tended to pack up with mud quicker as well. Overall they were pretty decent for the money, but if I had to do it again I would just pay they extra and get the BFGs.

PetrolBear

Thank you. Looks great! Another spectacular adventure car
But, having such diameters, the car would sit on the tires directly in case of airbag failure, hm? I would avoid it and its a point to stay close to OEM size.
Allroading in the Alps:
The guy uses the 16" wheels with the stock size 215/65 R16 on plenty of rocky roads & terrains. Tire is Grabber AT (not the AT2) General Tire 4x4 Offroadreifen-Programm für SUV, Geländewagen, Pickups
Looks very nice.
For me, the cornering capability is still a queston -> 17 or 16 inch wheel for the 90/10 usage (road / terrain).

PetrolBear

Thank you. Looks great! Another spectacular adventure car
But, having such diameters, the car would sit on the tires directly in case of airbag failure, hm? I would avoid it and its a point to stay close to OEM size.
Allroading in the Alps:

youtube.com/watch?v=iBK4AGd26v0

copy into your window - forum may crash.
It is probably the best from 3 - to 4:50 ... it has an atmosphere

The guy uses the 16" wheels with the stock size 215/65 R16 on plenty of rocky roads & terrains. Tire is Grabber AT (not the AT2) General Tire 4x4 Offroadreifen-Programm für SUV, Geländewagen, Pickups
Looks very nice.
For me, the cornering capability is still a queston -> 17 or 16 inch wheel for the 90/10 usage (road / terrain).

Au...the 235/55 R17 is 255mm wide in fact - that might be a problem (rubs into the fender)! See this
235/55 R 17 XL · 99-H · BSW · Grabber AT (HTP)

hm... and the 215/65 R16 has only a T mark (190km/h) that is not too much. Should be at least H.
215/65 R 16 · 98-T · BSW · Grabber AT (HTP)

PaperToast

ive run 235/55's several times, no rubbing and the handling was better due to the wider tire
but those were nokians . . .

PetrolBear

I borrowed a set of 215/65 R16 from my mate and it is very interesting, I am still testing it.
The cornering capability especially on L3 is the only somewhat negative to report. The car gets a bit soapy feeling and "sits" onto the right rear wheel. The chassis pitches perceivably more than of the 17" stocks. Same could occur on terrain.
Having this I am sure I would not swap to non-oem huge 16" sizes with /70 and so on.
BUT: in all other aspects it is equally good or more convenient than the stock 225/55 R17 (much smoother ride in the city on artificial slow-down bumps and tarmac of worse quality, parking onto the pavement is a miracle, breaking effect is far still enough, easier steering and bit less inertia when accelerating).
Edit: on L2 this high-wall wheels are astonishingly responsive and eliminates teh bouncy effects of the already somewhat weeker rear struts (on my car). The ride is better balanced than with the 225/55R17 which is suprise.
L1 was not tested yet.
Further test will proceed on light terrain.

It is not easy to get a full 6,5x16 oem alloy set here so I will see
Due to very soft cornering I may tend towards the 235/55 R17 or eventually the 225/60 R17. IMHO, the 235/55R17 would require rather a 8x17 for a more straight sidewall. For same reason, I think a 7x16 alloy would be very fine with the meaty tires causing less soapy effect at the cornering.

The best allround + terrain capable and comfortable setup for the Allroad might be
- 215/65 r16 on 7x16 non-oem alloys, with stronger sway-bars and/or 10mm spacers on each sides (=ET6)
- 235/55 R17 on OEM doublespoke or rather 8x17 with 5...10mm spacers (=ET15-20)
I have seen an Audi A5 8K set of 8x17 with ET16 but that alloy is simply ugly.

PS. Can you tell me please whether a 235/60 R17 would go directly into the fenders in case of total air loss? Mean: causing impossible to turn the wheels around and they would phisycally sit on the fenders? Diameter difference is approx 35mm but it is wider, too. I know it would make 5% more road length per turn which is a lot.
Reason why I ask
+ Less rpm ~ minus 200rpm @ the official highway limit 130kmh
+ Almost same high sidewalls as of 215/65 R16 's but more surface area and wider (less pitch but comfort remain)
+ sometimes very cheaps sets emerge for sale (e.g. Grabber AT)
- appr 0,4 sec more acceleration time to 0-100 (nevermind, I am chipped, 6,5 sec... -> 6,9 is still good)

PetrolBear

Short feedback.
The WinterConti 215/65 R16 makes a smooth ride also at Level1. In practice, there are no more problems with the cross stems on the road even with weak (soft) rear struts. No bumps, nothing whatsoever. In case there were no mess with the sharp&fast cornering, this size would be the No1 choice. But.. I like to pull it sometimes.
I would test out the gap between the fender and wheel in case of total air loss. In case it does not interfere, there might be a way good solution. A nice, too.
A picture with 235/60 R17 from a mate forum

PetrolBear

From the front

Pinkturtle

Good thread indeed. I run the Grabber AT-2 on my Honda Ridgeline and love them for off road, snow, rain, and dry. I have about 68k miles on them and just ordered another set to replace them. On my truck, I upsized so yea, my mpg dropped a bit but the ability of the tires makes up for that in my opinion.

I'd be interested to see a set on an Allroad. We have an '05 AR and looking for new shoes for her.