I bought the 2017 Yukon XL 4x4 , and love it. Think about it, you buy this vehicle of the utility part not the I like the looks part. The XL gives me so may more options over the shortie. Example, I'm packing today for a trip and by the time you add all the sleeping bags, lawn chairs, toys, rain gear, hiking boosts etc. I'm filling up the entire back with the 3rd seat folded down. You will always take more gear with you than you think you will need. Having said that, if you never plan on or don't have kids or a dog, and it's just you and the Mrs, and you pack lightly - get the shortie. But parking maneuverability etc. is just fine with the XL. Do what I did, I rented a 2017 XL and drove it 2000 miles in a week to see if I like it, and I loved it. The next week I had my own sitting in the driveway. If you ever go camping or on a long trip you will be glad you went bigger. Remember on the new XL's the third seat fold flat. I bought a fitted liner from the 2nd seat back and it is amazing the room you have and still be able to seat three kids watching their favorite CD,