Not all tall people of the sam ehight have the same body proportions. There could be several inches difference in leg length and arm length in folks of the same height, and this would make a big difference in how well a car seat fit.
I didn't say there was anything wrong with an Escalade. I was recommending a car that might be more comfortable for someone very tall.
Here's another genius complaining they've only gotten 42.9mpg! OK, go buy a Chevy Impala and get 18mpg City and see how happy you are buddy. There's all kinds of people in this world I guess.