I have loved Cormac's books since I was a child, but never read Larry McMurtry until recently. If you're in the same boat, I implore you to give one of the below a try.
Lonesome Dove -- A great story about washed-up Texas Rangers with achingly beautiful writing.
The Last Picture Show -- More tonally similar to Cormac's stories. Coming of age in a dusty Texas town.
Leaving Cheyenne -- I have never in my life recommended a romance novel until this moment. I'm literally crying as I write this, remembering the closing scene.
Initially thought you may have meant revisionist as a slight, but I see that it's a sub-genre. For anyone else unfamiliar (from wikipedia):
> The revisionist Western is a sub-genre of the Western fiction. Called a post-classical variation of the traditional Western, the revisionist subverts the myth and romance of the traditional by means of character development and realism to present a less simplistic view of life in the "Old West". While the traditional Western always embodies a clear boundary between good and evil, the revisionist Western does not.
Lonesome Dove -- A great story about washed-up Texas Rangers with achingly beautiful writing.
The Last Picture Show -- More tonally similar to Cormac's stories. Coming of age in a dusty Texas town.
Leaving Cheyenne -- I have never in my life recommended a romance novel until this moment. I'm literally crying as I write this, remembering the closing scene.