Bob -
The GMC Yukon is the same as the Chevy Tahoe, right? If I am right, I think it is what I call a mid-size SUV - bigger than a Chevy Trailblazer or a Ford Explorer, same as a Ford Expedition, smaller than a Chevy Suburban or Ford Excursion. I wouldn't think that vehicle would have a problem with any TM, unless there is something I am missing. I certainly wouldn't advise ignoring the dealer - but is your dealer worried about something specific?
What year is your Yukon?
What engine, tranny?
What is the rear end ratio?
Does it have a factory towing package?
What is the towing rating for the vehicle?
I think there are 3 classes ("trim levels") within each model - something like LS, LT, XLT. Which do you have?
And of course, as I ask everyone, WHERE DO YOU PLAN TO TOW?
2WD vs 4WD doesn't matter in most cases.
There are better people than I to comment on this question. We might want to move the discussion to the Towing Rigs question.
Bill
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