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step-in height

tboat
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tboat Enthusiast

tboat

Posted
Posted

Thinking about a new truck.  Currently, have a 2016 Silverado with 18 tires.  I am wondering how much of a difference is there in step-in height going to 22" tires on a new truck.  Not crazy about using steps just step in truck.

Taco_Ninja Enthusiast

Taco_Ninja

Posted
Posted (edited)

I assume you're talking about running boards when you say steps.

 

If so, a better way would be to measure the overall diameter of the wheel (or rim) +tire. When you say 18" or 22", you are referring only to the rims and are not accounting for the tires. Generally larger wheels have skinnier tires and vice versa so that the overall size remains roughly the same. Unless you go aftermarket wheels and tires, overall tire size from factory will not make much of a difference.

 

You also mentioned a new truck. If you're considering a new truck overall, there are many more factors to consider to include new body style, trim levels, and different suspension setups.

 

**For example, an AT4 Sierra is going to ride higher than a SLT. AT4 has 18" or 20" wheels but overall tire size will stay similar. The suspension will play a larger part than either of the wheel selection that comes from the dealership. **On the opposite extreme, you've probably seen the Jeeps with massive tires on them. They usually run on 17" wheels but the tires are much larger in comparison and will likely play a larger role in vehicle height than the suspension (or a combination of both) that will make getting in much more difficult.

 

All this to say, it's hard to say without more info.

Edited by Taco_Ninja
Added clarification
Donstar Senior Enthusiast

Donstar

Posted
Posted

Your typical full sized truck may be easy for you to enter and exit but consider your passengers.  There are nice looking "steps" available and will be appreciated by others.

redwngr Senior Enthusiast

redwngr

Posted
Posted

For 1500's, the AT4 and both Trail Bosses  (custom and LT) have a 2" factory lift.

 

Earlier posts about tires sizes being similar because of lower sidewall on tires used on the larger rim sizes can be extimated from tire code - or looked up with on of the tire comparision tools.

 

 

Some of the factory tires used for 2021:

 

 275/50R22SL  

 275/60R20SL

 265/65R18SL

 265/70R17 

 

Calculating overall size -- https://www.tirerack.com/tires/tiretech/techpage.jsp?techid=7

 

Or use calculator -- https://tiresize.com/comparison/

 

Which will show that the factory 22" at 32.8" is a little smaller that the factory 20" at 33.0"

Both are 275 mm wide, which is 275/25.4 = 10.8' wide 

 

 

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