Everyone knows that a lot of tire companies run small, so I thought it would be helpful to start a thread stating the true measured tire size for each tire model. I think the way we should break it down is :
1) Tire Brand and Model
2) Manufacturer's states size
3) True measured height

I know there will be a few variables such as rim width and tire pressure, but I think this will give everyone a good estimate of what they can expect when making a tire purchase.

 

1.Toyota open country m/t
2.315/75/16
3.actual size 34.9 inches

 

He wants to know the measured height on the vehicle, not the mfg's spec.

LT315/75R16 127Q E/10 (35X12.50R16) 360230 8.0-8.5-10.0 34.9 12.9 21 76.1


Maxxis Bighorn - 315/75/16 - 33.5"
Nitto Terra Grappler - 295/75/16 - 32"

 

Yeah I put 34.9 inches actual height

 

mastercraft M/T
35/12.5/17
actual 33.75

 

How do you measure the true height? If we want accurate numbers we should all use the same mesurement method

 

yeah, sometimes I get the feeling that the guys from the company who make up the tire size, are the same guys who write in to Penthouse Forum. We need to immediately knock a few inches off their claim.

315/70-17 Mickey Thompson MTZ's
32 PSI
measured with stock bumpers, stock spare, hard top, 3/4 tank of gas
550' above sea level
about 65 degrees Fahrenheit
Flogging Molly CD in the player
17x 8 wheels

33.25"

:ma d:

 

GY Duratrac on stock wheels
275/70R18
MFG: 33.4" (from Goodyear web site)
Actual: 32 3/4" at 35 PSI (rear tire on JK unlimited, stock bumpers)
Actual: 33 1/4" at 35 PSI (spare tire)

 

for the sake of the comparisons, people should also post their PSI.

 

BFG T/A KM2 37x12.5x17/D
Mfg Stated: 36.8"
Measured: 35.5"
Measured PSI: 28