When I ordered my Mustang, it came with mt82,chinese made manual(no thanks) or 6R80 Auto. The 6R80 is a BMW / ZF(6HP26) design, built under license, by Ford. The 6R80 is also used in the Expeditions.The 2015 Yukon XL and tahoes have GMs six speed they are pretty unreliable transmissions. In fact I chose to buy an Expedition over a Tahoe after doing research on the two. Ford has a much more stout transmission and overall drivetrain IMO. I also didn't like the cracking dashboards in the tahoes which can lead to safety problems related to the airbags, no thanks. Ford did well with the 6R75 and 6R80 transmissions I like them.[/QUOTE
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