For some reason search is not giving me what I was looking for. It's likely user error.
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Anyway, I have a 2018 Lariat with the stock 20" wheels. I'm still debating on which tire to go with, I like the KO2s but not sure yet

Anyway what is the largest I can/should go stock, I don't have a lift or level yet. Not sure I'll be doing one anytime soon as I have other mods I want to do first? I'm looking at something like 285/65/20 but I'm open to suggestions and opinions.

 

Without a level the 285/65's are pushing the boundaries. You will most likely have to do a slight amount of trimming. I have read it both ways. With a 1.5+ level they will fit.

If you want to be sure and save a slight amount of gas 275-65's will fit. or you can go 285-60. Hopefully you'll get some more folks chime in.

 

What are you trying to achieve with your tires? Do you want the best tires for adverse weather conditions? Rain? Snow? Fuel mileage?

 

Best tires for rain/snow with still good dry performance. Its honestly a pavement princess. The most offroad it will ever likely see is dirt/gravel roads and the occasional fields when pulling a horse trailer.

I do want a nice aggressive look that fills the wheel well. I don't care about gas mileage, longevity or cost as much.

Edit; I have had 35" MTs on a previous Wrangler..I'd really like to avoid terrible highway hum. That thing sounded like an 18-wheeler.

 

Ok, I'll look up the consumer reports ratings for you. I'll post a couple of options.

 

305 55 20s

 

 

 

I'm leaning towards the Nittos lately. I'm just not sure if that size will fit. I may have to do a small "level".

 

If your thinking KO2s, look at the falken at3ws.