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Reply To: New 8-speed unfair to early buyers of 2015 Yukon Denali with 6.2L V8 L86

September 5, 2014 at 9:04 am #68312
2013vortec
Participant

Ya well gm knows how to piss people off I have 2013 1500 Z71 5.3 Vortec with 342 gears in extended cab and window sticker claims 30mpg hwy / 21city but it really only get 12/13 mpg at 110 km/h (70mph).

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