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Buick Lucerne: Engine & Performance

191 messages,  Last post on Feb 03, 2007 at 9:20 PM

You are in the Buick Lucerne Forum. Your Hosts are pat & karens

What is this discussion about? Buick Lucerne, Engine, Sedan


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#142 of 191
Optional Engine by jh1977
Apr 02, 2006 (1:38 pm)
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I read the 3800 engine will ceased production in 2008. Does anymore know if the Buick Lucerne for the 2008 model year will have the new 3.9 Liter engine (currently in the 2006 Chey Impala) as an optional engine? The 3800 engine currently in the 2006 Lucerne was a great engine for years but time has now past it by. I believe the optional V8 engine in the Buick Lucerne burns to much gasoline and is not necessary for most driving needs for the average driver. Can you car experts give me some feedback on my question and statement.
#143 of 191
good news by 1487
Apr 04, 2006 (3:50 pm)
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per a GM press release the new 6 speed auto can handle up to 300lb-ft of torque which means it can be used on the Lucerne V8. This is updated information that differs from what GM posted earlier about this tranny. Looks like every GM FWD car except the 5.3V8 equipped W cars can get the new 6 speed. The press release said the tranny will debut on the Aura and Outlook but doesn't say if it will be available on other models in calendar '06. I know the other crossovers will get it but I'm willing to bet a few other products will get it as well. Cant think of two better candidates than the Lucerne and Lacrosse.
 
You can read about it on media.gm.com
#144 of 191
Re: good news [1487] by rayainsw
Apr 04, 2006 (4:04 pm)
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Replying to: 1487 (Apr 04, 2006 3:50 pm)

"per a GM press release the new 6 speed auto can handle up to 300lb-ft of torque which means it can be used on the Lucerne V8. This is updated information that differs from what GM posted earlier about this tranny. Looks like every GM FWD car except the 5.3V8 equipped W cars can get the new 6 speed."
 
I looked on media.gm.com & don't see a reference - link, please?
 
Thanks,
- Ray
One of the unfortunate ( ? ) GM 5.3L V8 drivers . .
#145 of 191
Re: good news [1487] by 62vetteefp
Apr 04, 2006 (4:41 pm)
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Replying to: 1487 (Apr 04, 2006 3:50 pm)

Probably will not see the 6 speed in the Lucerne/LaCrosse on the 3.8L. It's going away soon. BUT may see it with the V8's. At 323 tq they may play with the engine control module to "detune" at certain points to not overtax the 6 speed. Did that with all the 3800 superchargers.
#146 of 191
Re: good news [rayainsw] by 1487
Apr 05, 2006 (1:53 pm)
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Replying to: rayainsw (Apr 04, 2006 4:04 pm)

The info is under the NY autoshow link on the right side of the gm media homepage It's under the powetrain tab.
 
The Lucerne isnt perfect, but it's obvious that Edmunds didnt like the vehicle and no intention of giving it an objective review. The intent of that review was to prove to you that the Lucerne is a worse value than the Avalon and the Azera. They could care less about the Lucerne's postive features because they see it as a lame Buick and is was reviewed as such. They said the Lucerne wont do much to help the ailing brand of Buick while other magazines are saying that its the best Buick in years, maybe even decades. You do the math. Complaints about 4 speed autos and acceleration may be warrranted but the rest of that stuff is BS. Even C&D said the interior of the Lucerne was nice and that is significant considering their anti GM stance.
#147 of 191
Re: good news [1487] by sirius2
Apr 05, 2006 (4:10 pm)
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Replying to: 1487 (Apr 05, 2006 1:53 pm)

I just test drove my first Buick, the Lucerne today. Very nice vehicle. It's quieter than my Honda Odyssey and leaps above my Lumina. If priced right this will be a winner, and since I live in Detroit I have to live with that "employee pricing" scam since I have no GM family members, which to me is one more reason to buy Japanese, or from an out-of-town dealer. But don't get me started on the perils of buying cars in Detroit. More importantly the Lucerne had the room, performance and refinements to make an excellent choice for anyone wanting a larger sedan.
#148 of 191
6T75 trans Re: good news [1487] by rayainsw
Apr 05, 2006 (4:26 pm)
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Replying to: 1487 (Apr 05, 2006 1:53 pm)

"The info is under the NY autoshow link on the right side of the gm media homepage It's under the powetrain tab. "
 
Aha!
Thanks.
Very interesting . . .
- Ray
Wondering if a 6T80 will be coming . . .
#149 of 191
Re: good news [sirius2] by vantheman1
Apr 06, 2006 (9:47 am)
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Replying to: sirius2 (Apr 05, 2006 4:10 pm)

can you explain the problem with buying a car in detroit....just curious...thanks
#150 of 191
Regarding V6 choices by sls002
Apr 13, 2006 (6:30 am)
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The torque is of primary importance when it comes to performance. The horsepower only tells you how much torque is left once you get the engine near the redline. Both the 3.6 DOHC V6 from the LaCrosse and the 3800 have about 220 lb-ft of torque over the power band (useful engine speed range). Note:
3.6: http://media.gm.com/us/powertrain/en/product_services/HPT%20Library/HFV6/2006_36- - L_LY7_LaCrosse.pdf
 
3800: http://media.gm.com/us/powertrain/en/product_services/HPT%20Library/90%20Deg%20V- - 6/2006_3800_L26_Buick_Lucerne.pdf
 
The basic difference is that the 3800's torque drops off above 4500 RPMs, while the 3.6 is still good till 5500 RPMs. If the LaCrosse V6 goes into the Lucerne with a six speed automatic, then that would be a big improvement, otherwise, not. However, if the Lucerne got the 3.6 with CTS tuning, or better still, the 270 hp tuning, then, with the six speed automatic, one could dump the aging northstar V8. I do not expect a VVT FWD northstar to ever see production.
 
CTS 3.6: http://media.gm.com/us/powertrain/en/product_services/HPT%20Library/HFV6/2006_36- - L_LY7_CTS.pdf
#151 of 191
Re: Regarding V6 choices [sls002] by jh1977
Apr 13, 2006 (10:37 am)
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Replying to: sls002 (Apr 13, 2006 6:30 am)

From reading your message are you saying the 3800 engine provides more than adequate power in the current base Buick Lucerne? Also would GM's new 3.9 Liter engine {which is less expensive than GM's DOHC 3.6 Liter engine} which is currently in the 2006 Chevy Impala, be a more powerful engine in the base Buick Lucerne compared to the 3800 engine? Sincerely.

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