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Buick Lucerne: Engine & Performance

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

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#162 of 191 replacement choices for the 3800 by sls002 Apr 15, 2006 (7:12 am)
There are two considerations for the replacement engine, engine smoothness and performance. The DOHC 3.6 liter V6 is supposed to be a premium engine with greater smoothness than the pushrod V6 3.5 or 3.9 liter engines. I have not driven any of these engines, so cannot say. The pushrod engines are less expensive to make.   The 3.9 liter V6 has about 240 lb-ft of torque and 240 horsepower. This engine would be a good replacement for the 3800 in both the CX and CXL.   But, for added smoothness, the 3.6 would make a good choice to put in the CXL, with a 6 speed automatic. The best 3.6 would be the 250 horsepower, 250 lb-ft of torque Aura version. However, then the CX should get less torque and horsepower, so the 3.5 Aura engine would make sense.   The Buick Enclave (and Saturn Outlook) are getting a 3.6 V6 with the 6T75 automatic, that will have nearly 270 horsepower. The torque is rated at nearly 250 lb-ft. This engine would be a good choice for the CXL, and then the 240 hp 3.9 would make a good choice for the CX. But what would be the point in the CXS's slight increase in hp of only 5 more for the V8? Perhaps the V8 should be dropped. Replies to this message: 62vetteefp (Apr 15, 2006 8:20 am) jh1977 (Apr 15, 2006 9:49 am)
#163 of 191 Re: replacement choices for the 3800 [sls002] by 62vetteefp Apr 15, 2006 (8:20 am)
Replying to: sls002 (Apr 15, 2006 7:12 am) They should bump up the V8 to Cadillacs 292 hp.   3.9 CX 265hp CXL 292 SCX
#164 of 191 Re: replacement choices for the 3800 [sls002] by jh1977 Apr 15, 2006 (9:49 am)
Replying to: sls002 (Apr 15, 2006 7:12 am) Thank you for explaining to me and others in this forum about the different V6 engines that could be the replacements for the 3800 V6 engine in the Buick Lucerne. I would also like to thank Edmunds.Com for having this forum available for people like me (who are not car experts) who can send messages to car experts about items pertaining to cars in which people have an interest in. Sincerely.
#165 of 191 3800 engine.... by splatsterhound Apr 15, 2006 (4:46 pm)
Just sold my Olds 88 with the 3.8. 175,000 miles, not a drop of oil burned. Sold it on one day on Craigslist. Ten years old; 2500 bucks. Sold it to a guy who knew the engine and knew it would last for another ten years.....   Still ran at 90 easy, and moved my 3600 lb car with authority. Great engine, in my mind. Not a dollar of repairs beyond a water pump on the engine. Can't say that about a lot of cars...   Lucerne base engine buyers should be plenty satisfied with the power. Ten years from now, they'll still be cruising around without a problem (and no smoke from the tailpipe)   For what it is worth... Replies to this message: m1miata (Apr 15, 2006 7:17 pm) larouse (Apr 16, 2006 6:03 am) 1487 (Apr 16, 2006 1:59 pm)
#166 of 191 Re: 3800 engine.... [splatsterhound] by m1miata Apr 15, 2006 (7:17 pm)
Replying to: splatsterhound (Apr 15, 2006 4:46 pm) You were lucky enough not to have bought a pre- 1988 model year, no doubt. After 1987, I guess they ran OK. As to power of the engine, I suppose it does the trick for many. Looks like more Lucy's are selling compared to LaCrosses.... but that is just an observation based on inventory stacked up on the car lots I pass by. So only a guess on popularity. Saw the first SKY sports car yesterday at Saturn. Pretty little thing, but at around $30K, a bit overpriced for a little four banger drop top. No roll bar = ouch, thy head!   Buick perhaps needs a new running mate like the upcoming Aura, which Saturn got. Though they may try selling those cars at over $25K. My guess is that Lucernes go with the 3.9 V6 next year. The two engines would be all that is needed. Unless they wanted to float the idea of the DOD 303HP V8 for the Lucerne. The Northstar may be the safer bet for reliability though. -Loren
#167 of 191 Re: 3800 engine.... [splatsterhound] by larouse Apr 16, 2006 (6:03 am)
Replying to: splatsterhound (Apr 15, 2006 4:46 pm) Good for you! Just looked at the Lucerne yesterday and we were very impressed. For us, the V6 engine seems to have enough power, and the ride is great and the car super quiet. Very comfortable seats. We have two Hondas, and have been very happy with them. However, have been checking the Camry XLE and the Honda Accord and the Accura. I do not know about reliabilty in the long run, but in our view, the Lucerne offers more for the price. We are seriously thinking of making going with it. Replies to this message: 1487 (Apr 16, 2006 1:59 pm)
#168 of 191 Re: 3800 engine.... [larouse] by 1487 Apr 16, 2006 (1:59 pm)
Replying to: larouse (Apr 16, 2006 6:03 am) Buicks have good quality. I wouldn't be concerned about the Lucerne being more unreliable than a Toyota or Honda. This car isnt on a new platform, nor is it using a new powertrain. The kinks in this car have been worked on on previous Devilles, Bonnevilles, Auroras, etc. Besides, the Buick comes with an extra year of warranty.
#169 of 191 V6 versus V8 [ trucker50] by carguy57 May 16, 2006 (1:17 pm)
In response to post #1456--I purchased the Lucerne CXL V-6 2 months ago and I now have about 2 thousand miles on my car and I find the V-6 to have more then enough power and I can't think of one occasion when I needed more power. As for the engine noise I don't find the engine to be noisy at all. Where I live reg. gas cost about $3.15 a gallon and I fill up around every 200 miles or so and had I had the V-8 it would have burned another gallon and a half so for my needs the V-6 was definitely the right choice but I can also understand why others are willing to pay extra on a fill up for the advantages of having the extra power they desire to have in the V-8 engine which I understand is a great engine. My car gets fantastic mileage on the highway {27-31}---but not so great in the city--{17-19}and i'm sure if you drive mostly in city traffic your miles will be a lot less then that in the city. I really like my lucerne and I find it to be the best car on the market in it's price range. Replies to this message: sls002 (May 17, 2006 6:17 am)
#170 of 191 Re: V6 versus V8 [carguy57] by sls002 May 17, 2006 (6:17 am)
Replying to: carguy57 (May 16, 2006 1:17 pm) My experience in owning a number of 3800's (86 Electra T-type, 90 Riviera, 91 Reatta, 95 supercharge Riviera) is that their fuel consumption is about the same as the northstar's (98 Aurora, 2002 Seville LS). My city mileage was around 20 MPG (more in the summer, less in the winter). Highway consumption depends on cruising speed, but the 3800's generally gave me about 27-28. My northstars were about the same, however, I have found that limiting my cruising speed to 70 MPH, will allow the northstars to average about 29 MPG. I think that the current 3800 might do a bit better, say about 30 MPG, but that is not much better.

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