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~32" is the limit, but tread design at the edges matter, too. It doesn't matter which trim level you have in the Laredo through Summit food chain. (As was already mentioned, SRT and it's very fast cousin, have different parameters.

Do remember that if you upsize your tires, you also need to upsize your spare to the same diameter rubber--it can be narrower, however, to fit under the lid like the OEM full size spare is. Your Speedo/Odo will not be accurate, either...not easily adjusted without spending money for a tuner or some other device that can access raw parameters. This can be a harder issue with MY18 since there's now a firewall on the vehicle that only certain approved interface devices can negotiate.
 
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