However, I am not sure what you mean by "the warranty isn't the same for all Hyundai's." Except for certain exceptions on the Equus (which has a slightly better warranty for some items), in looking at the webpage it appears to me that all USA Hyundai's (of same model year) have the same warranty.
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TRANSMISSION/TRANSAXLE
Case and all internal parts, axle shafts (front/rear), constant
velocity joints, front/rear hub bearings, propeller shafts, seals
and gaskets, torque converter and converter housing and
clutch cover and housing, transfer case for Santa Fe, Tucson
and rear differential for Santa Fe, Tucson and Genesis.
"
IMO naming specific parts on specific vehicles means they have a different warranty. I get that they all have the 10/100, 5/60 staggered warranty, but which specific parts fall under which category seems somewhat vehicle dependent. Worth noting is that the Sante Fe's AWD system has the clutch cover and housing on the 10/100, but the clutch friction surface (lining) seems to be absent on both the 10/100 and 5/60 wording. Vehicles with the transfer case (nearest comparable part) are covered.
Another example: The torque converter on the auto Veloster appears to be covered whereas the clutch on the dual clutch (even though not user controlled) appears not to be. Obviously the clutch on a true manual isn't covered because of the potential for user error to be the cause of failure, but since the Veloster dual clutch isn't covered and the Santa Fe AWD clutch isn't covered it seems Hyundai would actually be making an exception to cover the AWD clutches in the '15 Genesis. The clutch-based Magna (same company doing Genesis) used by KIA also appears not to have its clutches covered.
All that being said, the Genesis does compete in a different category. If Korean option pricing carries over, $2300 is fairly expensive as well -- they may be building warranty costs for the system into the option cost. It's all speculation at this point.