Article Comments - 2007 GMC Sierra Denali Full Test

128 messages, Last post on Mar 28, 2009 at 1:25 PM

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Article comments for Full Test: 2007 GMC Sierra Denali - The 2007 GMC Sierra Denali is GM's top-of-the-line luxury pickup, but it emphasizes the truck part of the equation as much as the luxury part. (more)

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#7 of 128 Re: 2007 GMC Sierra Denali Full Test [gmcbob] by 1offroader May 18, 2007 (6:30 am)
Replying to: gmcbob (May 17, 2007 7:45 pm) Keep in mind that rear axle ratio does not tell the whole story. The final drive ratio is what really matters. This is obtained by multiplying the rear axle ratio by the transmission gear ratio of whatever gear you're interested in comparing. For example, let's say the you want to know what the final drive ratio is for first gear, to compare the ability of two vehicles to get off the starting line. You would multiply first gear by 3.42 or 4.10 (or whatever). This gives an indication of how quick the vehicle could accelerate. If you want to get a feel for possible fuel mileage, you would multiply the tallest gear (6th, for a 6-speed trans) by the rear axle ratio (3.42 or 4.10, etc.) For offroad performance, you would multiply trans first gear X transfer case low gear X rear axle ratio, giving you the "compound low" final drive ratio. This would give an indication of how competent the vehicle might be in rough offroad conditions (but there are many other factors also). Is that clear? 1offroader Replies to this message: davethecarnut (May 27, 2007 8:34 pm) 1offroader (May 28, 2007 7:38 am) davethecarnut (May 28, 2007 8:39 pm)
#8 of 128 Re: 2007 GMC Sierra Denali Full Test [hondacura4] by markisliev May 19, 2007 (4:27 am)
Replying to: hondacura4 (May 16, 2007 5:08 pm) I would like to see the Tundra and Denali tested on the same day. Check out the article below it shows the AWD Sierra Denali having a higher trap speed than the Tundra. If the AWD can run 14.8's all day long then the 2wd flavor should be good for 14.5-14.6 1/4's if you are graceful with your launches(200lbs lighter than AWD)...I would like to see a re-test on the 2wd or a head to head comparison...This doesn't add up.. http://www.pickuptruck.com/html/2007/gmc/sierra/roadtest/page1.html In the edmunds test they didn't even run her to 6k rpm...from the review... "It feels as if it could keep pulling beyond the 5,500-rpm shift point. Shifts are quick and clean. FYI: you can get an extra 500 rpm out of the engine in manual-shift mode before the 6,000-rpm rev limiter kicks in. We tried to utilize this, but timing an electronically requested upshift proved too difficult, and with a 6.5-sec run to 60 mph, why bother?" They should have played with the manual shift more...This motor makes peak HP after 5500rpm...I'm sure the diablo tuner thats already out will get rid of the shift points and Tq management....Toyota will not be able to hang in the aftermarket support.. Replies to this message: idriveasunbird (May 20, 2007 2:28 pm) guysykes (May 25, 2007 12:37 am) markisliev (May 25, 2007 4:42 am) and 1 more... idriveasunbird (May 28, 2007 7:43 pm) and 2 more...
#9 of 128 Temps... by markisliev May 19, 2007 (2:40 pm)
The Tundra was also tested in January and the Denali in May...big diff in temps i'm sure that alone is worth 3/10ths... Replies to this message: titancrew (May 21, 2007 7:14 am)
#10 of 128 Narrowly focused group of people... by the_big_al Jun 27, 2008 (3:16 pm)
What I would like to see is this powertrain offered in more lines than just the Denali. The Denali makes about as much sense as the Lincoln Blackwood/Mark/Gussied F-150. Although the Denali is a MUCH better truck than the Lincoln ever hoped to be with more power, better styling and better dynamics. Replies to this message: markisliev (May 20, 2007 3:17 pm) idriveasunbird (May 20, 2007 7:09 pm)
#11 of 128 Re: 2007 GMC Sierra Denali Full Test [markisliev] by idriveasunbird May 20, 2007 (2:28 pm)
Replying to: markisliev (May 19, 2007 4:27 am) Actually I think the Tundra will be more than able to hang in aftermarket parts. Considering the $10,000 you save in buying a Tundra as compared to a Denali you could put twin superchargers on the 5.7 L and push the HP near 600. I would argue that the Denal won't be able to hang with the Tundra because after you fork out $45,000 you won't be able to afford to do anything to it until your 6 years of financing are over. Replies to this message: guysykes (May 25, 2007 12:37 am) markisliev (May 25, 2007 4:42 am) guysykes (May 25, 2007 5:36 pm) idriveasunbird (May 28, 2007 7:43 pm) idriveasunbird (May 28, 2007 8:08 pm) and 1 more...
#12 of 128 Re: Narrowly focused group of people... [thebigal] by markisliev May 20, 2007 (3:17 pm)
Replying to: the_big_al (Jun 27, 2008 3:16 pm) This powertrain will be available on all the 08-09' 1500 models I hear. The Denali comes with all the bells and whistles. A 4x4 Limited double cab Tundra with all the bells whistles will cost you well over 40k so I don't see the 10k in savings. You will be able to buy a 45k GM product for around 39k after you talk down the dealer..The Denali I want will cost me 36k after it's all said and done (2wd) much more room to move on a domestic vehicle sales price. There is no such config as twin superchargers....you must mean twin turbo. Just like the Titan I own, Toyota will never have the aftermarket and tuning support like GM. Import ECU code is so tough to crack. I would have a 12 second truck by now if I would have bought a GM vs a Titan. Modding an import cost serious money! All the Titan performance parts cost between double and triple, no competition due to small number of import. After 3 years they still don't even make a programmer for my Titan, you can already tune the GM 6.2's...I went Jap now i'm going back. In my opinion the tundra's are great performers and look great on paper... just so damn ugly inside and out! It you are interested here is a link to my Titan page and my never ending quest for speed...Mark's Titan Replies to this message: idriveasunbird (May 20, 2007 7:09 pm)
#13 of 128 Re: Narrowly focused group of people... [markisliev] by idriveasunbird May 20, 2007 (7:09 pm)
Replying to: markisliev (May 20, 2007 3:17 pm) Well I wasn't talking about bells and whistles, I was talking about performance. The only way you can get the 6.2 L with the 6 speed transmission in by purchasing a Denali which is listed at $45,000 with options. You can get the Tundra with the 5.7 Liter for under $30,000 for the Regular Cab and around $35,000 list price for the DoubleCab. There is your $10,000 difference. Also, the Tundra DC can tow more, haul more and is faster than the Denali. Doesn't seem like you are getting very much for your money. The TRD supercharger is $5,000 although I don't believe it is available yet. That still puts the Tundra DC about $4,000 under the price of the Denali after labor when considering list prices. With that you get a truck with around 80 more HP probably 50 more lb ft of torque, better gas mileage, almost 2,000lbs more towing and around 300lbs more hauling capacity. My take is the Denali is most definetly not worth the money.
#14 of 128 Re: Temps... [markisliev] by titancrew May 21, 2007 (7:14 am)
Replying to: markisliev (May 19, 2007 2:40 pm) These were the conditions for testing according to Edmunds. Conditions for Testing: 2007 GMC Sierra Denali Temperature (Fahrenheit): 68.5 Humidity: 51% Elevation (ft): 421 Wind: 3 Conditions for Testing: 2007 Toyota Tundra Temperature (Fahrenheit): 60 Humidity: 26% Elevation (ft): 1121 Wind: 1 Conditions for Testing: 2007 Chevrolet Silverado Temperature (Fahrenheit): 61 Humidity: 30% Elevation (ft): 1121 Wind: 0 Conditions for Testing: 2007 Nissan Titan Temperature (Fahrenheit): 62.2 Humidity: 22% Elevation (ft): 1121 Wind: 0 Not a huge temp difference. The Tundra, Silverado and Titan were tested at a higher elevation than the Denali. That probably made up for the temp difference. But, I agree that a head-to-head match up on the same day is needed. Hook up a 7k or 8k trailer for a second run just for grins.
#15 of 128 you are correct by markisliev May 21, 2007 (7:30 am)
You are correct... I didn't notice the data for test conditions..
#16 of 128 Re: 2007 GMC Sierra Denali Full Test [idriveasunbird] by guysykes May 25, 2007 (12:37 am)
Replying to: idriveasunbird (May 20, 2007 2:28 pm) First off, I have test driven 2 Denalis, and have ordered one. I will have it in my driveway in the last week of June. Second, I paid $38,750 out the door TT&L and everything incuded in that price. Third, idriveasunbird, are you seriously comparing a work truck to a luxury truck? Who is going to "hookup" a Denali? Who is going to drag race a Denali? Do you have any idea what an equally equiped Toyota would cost? Wait, they don't make one. If Lexus made a version of the Tundra, then you would have a matchup. Less than $30,000? Yeah, with cloth seats and an A.M. F.M. radio. Don't compare the price of a base model work truck to a truck with wood and leather interior, heated seats, 6 disc in dash CD, 9 speaker Bose sound, remote start, 20s, tire pressure monitoring system, OnStar, ect. In addition to all of that, the new Tundra looks like a 6 year old with down syndrome designed it. So, you are right. You can get a base model truck and put a "twin supercharger" on it (HAHAHA) and spend the same amount as me. But, since my Denali will look so much better than any Toyota product, and, street racing is illegal, it looks like the Denali wins. Replies to this message: markisliev (May 25, 2007 4:42 am) guysykes (May 25, 2007 5:36 pm) idriveasunbird (May 28, 2007 7:43 pm) idriveasunbird (May 28, 2007 8:08 pm) markisliev (May 29, 2007 6:01 am)