2018 GMC Yukon Denali 8L90 8-Speed Automatic Transmission Review – Created to be fuel-efficient than the six-speed slushbox of yesteryear, highway mileage estimations for the two-wheel drive Yukon Denali and Yukon XL Denali increase to 22 mpg with the 8L90 transmission.
As for the four four-wheel-drive models, fuel economy goes up to 15 mpg highway. Based to the American manufacturer’s quotations, the 2018 GMC Yukon Denali provides highway fuel economy equal to or a lot better than the V6 or V8 engines of sector rivals these kinds of as the Infiniti QX80 and Toyota Sequoia.
Compared to the earlier six-speed transmission, the 8L90 gives smaller steps among equipment for much better make use of the peak power music group. Wider gearing spread also enables the use of a reduced 3.23:1 rear axle proportion, lowering engine speeds and fuel ingestion. As for pull rankings, the 2018 GMC Yukon Denali boasts with 8,400 pounds, while the 2018 GMC Yukon XL Denali can tow up to 8,100 pounds.
Last, however, not least, the updated GMC full-size SUV also adds a hands-free power liftgate, smartphone wireless charging a la the 2018 Cadillac ATS and the OnStar 4G LTE with Wi-Fi hotspot system. In supplement to all those, there’s an improved GMC Intellilink infotainment system with Text Concept Notifications.