The physics of it makes sense for the stopping. Trailer brakes "ought" to cover a lot of the stopping issue. The engine and transmission in the 1500 series Tahoes and Suburbans are the same, right? So, the actual pulling should be the same, right? I have seen Tahoes pulling travel trailers and it looks like they sag in the rear a lot more than suburbans. The police department that I retired bought a mobile crime lab but, rather than a motorhome they skimped (long story) and bought a travel trailer that was custom built as a lab. They towed it with a Tahoe and the guy that pulled it complained about it. The police package Tahoe rides low anyway and apparently wasn't a great tow vehicle. With that said they have been pulling that trailer with the police Tahoe for at least 6 years now and it's still going.
I feel obligated to say that the department has a nice DP command post that really gets a work out and has been used a lot over the years.
I am aware that a pickup truck would do a better job but, a Suburban would be my wife's car. I am semi-retired, she is retired. I need to get decent gas mileage getting back and forth to work so, the CRV suits my needs. Her car sits most days so, the gas mileage of a Suburban wouldn't hurt us that much. I would love a Burb on road trips though. It would tow a few times a year but really not more than 300 miles one way, unless we go back to Disney World..