• 2018 GMC Yukon Denali: Should I Wait for the 10-Speed or Buy a 2017 8-Speed Now? Ask TFLtruck

    We have received the following question at ask@tfltruck.com from Chad S about the new 10-speed automatic transmission that is coming to the 2018 Yukon Denali. GM co-developed this transmission with Ford. Both companies say that while some designs and components are shared, each company performed its own tuning, calibration, and parts to

    2017 GMC Yukon XL Denali: 0-60 MPH Review [Video]

    2017 gmc yukon xl denali

    The 2017 GMC Yukon XL Denali is a large and luxurious SUV. It's also powerful thanks to a 6.2L V8, which is rated at 420 horsepower and 460 lb-ft. It's backed up by a 8-speed automatic transmission. This SUV is also fully optioned, and it is very heavy. How quick is