Can you use a 285/50/20 as a spare tire for 285/55/20 BFG AT/KO2's

[SWUtah]

if I buy a set of the 285/55/20 BFG's they are expensive so I want to know if I can use my OEM 285/50/20 if I get a flat and have to drive to a tire shop for repair?

 

[teambell]

This may help, looks like a 3.5% difference. Not sure about what is acceptable in emergency situations and allowable distances..
tiresize.com

 

[Bomar]

Yes all your diffs are open...

I would not do it for an extended period of time but will not kill t case...

 

[Bomar]

Also look 275/60/20 tire size instead of 285/55/20

 

[SWUtah]

Also look 275/60/20 tire size instead of 285/55/20

285/55/20 is close to factory foot print plus it’s wide like me.

 

[SWUtah]

Yes all your diffs are open...

I would not do it for an extended period of time but will not kill t case...

I would only use to get me to a tire shop glad to know it wouldn’t hurt anything tires are like 360 bucks kind of expensive