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Steel wheels, 17 vs 18 inch?

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I was surprised to see the option for both 17 and 18 inch steel wheels.

I understand the appeal of the larger 18 inch with the alloys, but why offer both a 17 and an 18 in the steel wheels? If you're looking at the steelies, you're likely going for the off-road advantages.

Anyone spec'ing the larger 18 inch steelies? Why?
 

trobex

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17" - all the way. Softer to drive on hard road and check the costs on 17 v 18 tires... as a stock option 17 is good value.
I figure, any upgrade made to this will be after market, then you can also sell the 17s to offset the local pricing.
 
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The 18 inch wheel has a slightly larger diameter, and is easy to make a little bigger.
 

DaveB

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I was surprised to see the option for both 17 and 18 inch steel wheels.

I understand the appeal of the larger 18 inch with the alloys, but why offer both a 17 and an 18 in the steel wheels? If you're looking at the steelies, you're likely going for the off-road advantages.

Anyone spec'ing the larger 18 inch steelies? Why?
Many people option the 18" steels because the rubber is lower profile and so handles on road better.
They probably realise they are going to spend 90% of their time on road.
I have gone with the 17" alloys because I think the steel rims are just trying too hard to copy the Defender.
But then again I could be wrong
 

Michael H.

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Many people option the 18" steels because the rubber is lower profile and so handles on road better.
They probably realise they are going to spend 90% of their time on road.
I have gone with the 17" alloys because I think the steel rims are just trying too hard to copy the Defender.
But then again I could be wrong
Or they could be copying the OEM 17” steelies on my 2015 Toyota Fortuner GX. 🙂

C84965B7-DAD3-4C02-A348-64D409E493A1.jpeg
 

cheswick

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I was surprised to see the option for both 17 and 18 inch steel wheels.

I understand the appeal of the larger 18 inch with the alloys, but why offer both a 17 and an 18 in the steel wheels? If you're looking at the steelies, you're likely going for the off-road advantages.

Anyone spec'ing the larger 18 inch steelies? Why?
Yes - I’m going 18” steelies. There is still plenty of sidewall on the 18’s and a slightly larger rolling diameter. I’m not going looking for trouble off-road and from experience know that these will suit my touring needs a bulk of which will be on sealed roads where the improved driving dynamics will be appreciated.
 

ORSO

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is the offset between the 4 wheel type the same?
 

AnD3rew

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I think either will in practice be fine. My last two 4x4s have has 18” in a similar size and had no issues off road or finding tyres. I went 17” primarily because I didn’t like the look of the steelies and didn’t like the look of the 18” alloys, probably would have gone 18” for the marginally higher clearance if they had been more attractive
 

DaveB

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I think either will in practice be fine. My last two 4x4s have has 18” in a similar size and had no issues off road or finding tyres. I went 17” primarily because I didn’t like the look of the steelies and didn’t like the look of the 18” alloys, probably would have gone 18” for the marginally higher clearance if they had been more attractive
Exactly the same decision for me
 
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The taller sidewalls can "flop" more as the vehicle take a curve. Reducing pressure with a 17" wheel should give you a wider footprint, and thus better flotation on the sand. That's the choices I need to figure out
 

trobex

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I was surprised to see the option for both 17 and 18 inch steel wheels.

I understand the appeal of the larger 18 inch with the alloys, but why offer both a 17 and an 18 in the steel wheels? If you're looking at the steelies, you're likely going for the off-road advantages.

Anyone spec'ing the larger 18 inch steelies? Why?
Yeah-nar. 17s all the way. 17s also better at low pressure on the beach/soft in my personal experience.
 

OzyGrenie

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Both 17" & 18" tyres are similar 31.6" (803 mm) rolling diameter. Both offer similar load and speed rating. You will notice any Grenadier photos or on demonstrators with Steel rims have more wheel weights to achieve balance. For Off Road, the most popular are alloy.
Alloys are somewhat lighter, helps the suspension to react sooner (hard to measure). If thinking of going 35" dia. rims for additional lift, rims would need to be wider than factory. If also going for a 2" lift with suspension, you will need to consider loads on the entire drive train including all bearings, adjustments to steering etc. I remember harsh times in winter changing a damaged off road tyre on the old steel split rims, was a pain. At least not as bad on an alloy.
 

Norb-TX

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I read that steel wheels are preferable as you can hammer it back to shape if you bend it out in the wilderness.
 
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