I was averaging 17 mpg overall before the factory cold air intake and performance exhaust. Now I’m averaging 21 mpg, if I drive gently, with cold air intake and performance exhaust. Guess the performance package got rid of the restrictions. 🤷♂️
JKD started following Constant rattling/shimmy rear drivers side passenger area, BORLA Exhaust for the 2019+ Silverado/Sierra 1500, 2019 Sierra Denali Upgrades and and 2 others
Ian, I’m a fan of the square tips you show in the pics. This body style has some sharp transitions that would be complimented by the square tips better than the round tips...in my opinion.
Same for me. The dealer closest to me has a bad reputation. I go 30 miles out of my way in horrible traffic for the better service. Just can’t take any chances. Oddly enough, that’s how these dealers make money; service. They do well on warranty service as well so it baffles the imagination why in the world they wouldn’t want to keep a customer happy. Laziness???
Kyleb, I have the same Denali Ultimate and you may want to try the GM performance exhaust and cold air intake. The sound is sick and it really wakes up that 6.2L. I even get better gas mileage, if I keep my foot light. Can’t seem to stay out of the throttle...the sound of that exhaust is amazing. Best part, it quiets down at idle and at cruising speed. Very happy with the truck initially and absolutely love it now with the cat-back and cold air intake.
Sorry to hear of another GM customer experiencing this leak issue. I have to admit, I was very upset about it. However, GM did fix the issue and no further problems. Can’t say the same for other makes I have owned. Hang in there, I’m confident they will get yours right also.
Daverado, I value Your opinion. In the spirit of open mindedness, please read the following articles. Not attempting to change you view, but it may encourage you to understand why many people’s opinions differ from yours. I’ll concede that many people’s opinions differ from mine as well. The first and second article illustrate the financial gravity of big oil. The third article has references to a multitude of real and verifiable sources. Have a a great day! https://oilprice.com/Energy/Crude-Oil/The-17-Trillion-Oil-Industry-Isnt-Going-Anywhere.html https://www.ucsusa.org/clean-vehicles/clean-fuels/where-your-gas-money-goes#.XDXjgqROmEc http://fuel-efficient-vehicles.org/energy-news/?page_id=785
Thanks HondaHawk, it seems as though some may have read my post to say I think that aluminum is unsafe. I never it said it was unsafe. It’s my opinion that it is LESS safe than steel. In order for aluminum to reach the same strength standards of steel, it must be much thicker. The increased thickness makes it heavier and it costs much more, and negates the weight savings sought to achieve in the first place. The fact that F150s are so expensive is in part due to the use of aluminum. They are a very nice truck and I’m not at all biased against Ford. Dollar for dollar, GM trucks are a better value for me. 😉
Lol, very true. Yeah, I think people are drawn to what’s interesting. The new look of the GM 2019 trucks is attention grabbing and will fade as time goes on. Thanks for that though, it’s always nice to read a post with a sense of humor.
Kozzy, I’m sure they will work out all of the bugs. I had the leaking rear window and the info screen has begun to glitch. But I bought my Denali in September as soon as they came out. The truck is a beast and I get a lot of great comments on it. The ride is smooth and the 6.2L with the 10 speed is better than any luxury vehicle I have driven. I would recommend waiting a few more months if you can but only if you can ensure what you want to buy was built later than earlier. I bet the adaptive cruise control comes out in the 2020 model year. Would be worth waiting for in my opinion.
No, using aluminum is not the way to accomplish meeting the standard. There was a carburetor developed in the 50s that was able to get over 100 miles to the gallon. The patent and the inventor went “mysteriously” missing. The technology exists to improve fuel economy without sacrificing structural integrity and placing the burden of cost and compromised safety on the consumer. Did you see the pics of the Fords on the prior posts? Aluminum doesn’t have the impact absorption of steel. 20 years ago it was unthinkable to get nearly 20 miles to the gallon with a big V8. We do now. Don’t believe the political hype.
Dang it! I hadn’t noticed it on my 2019 Sierra Denali until I just looked. Thanks for that 😜 It’s there, not as bad as on your Chevy, but there nonetheless under both side passenger door handles. Aluminum is very unforgiving and not an ideal metal for vehicles. It tends to tear rather than bend and requires any welding be done only in the presence of inert gas (can’t remember which) or instant oxidation will ruin the weld. We can thank the government for the pending new EPA mileage standards getting ready to go into effect which has precipitated the use of lighter materials on vehicles in preparation of meeting those requirements. I also think these will be the last years of the big V8 gassers. Let’s enjoy them while they last! Correct me if I’m wrong, but I think the new standards go into effect 2022.
JKD replied to Kencav's topic in 2019 Silverado & Sierra TroubleshootingI was having the same intermittent rattle on my 2019 Sierra Denali. My dealership found, when they had to remove the rear seats to replace a leaking rear window, that a nut had not been applied by the factory to one of the three studs holding down the amplifier for the stereo. The amplifier is mounted somewhere near the rear passenger side floor or back cab panel. The tech installed the nut and it fixed the rattle. Have them check it out. 😉
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