Leatherette wears a ton better than Leather, I can tell you that. My wifes bolsters on her leather Toyota seats are shot with cracks at 3 yrs old and 48k miles. I wish her seats were leatherette, I've seen leatherette seats with 150k miles that look brand new.

Shoot up a pic of the seats and let us give you opinions on it, the price doesnt seem bad, but is he recovering all the seats in leatherette/leather?

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2018 Ram 2500 6.7L Cummins 68RFE
19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed
2013 X5 35D (CEO's) - Born on 5/17/2013 -
82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards