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Luxury Performance Sedans

10007 messages,  Last post on Dec 01, 2009 at 7:40 AM

You are in the Sedans Forum. Your Hosts are pat & karens

What is this discussion about? Lexus GS 430, Acura RL, BMW 5 Series, Volvo S80, Audi A6, Infiniti M35, Infiniti M45, Mercedes-Benz E-Class, Cadillac STS, Sedan


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#7635 of 10007
Re: Steering, handling, roadholding [rich545] by sfcharlie
Jun 23, 2006 (8:22 pm)
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Replying to: rich545 (Jun 23, 2006 7:28 pm)

Well, this is fascinating (as such discussions are for those of us who are enthusiastic enough about cars to talk about them at length). Coming to test drives of 530, A6, E350, and M35 -- straight from two years in a 325i -- I was convinced that the A6 S-Line felt closer to the BMW 3-series than even the 530. Chalk it up to (a) variability between individual units of same model car; and/or (2) sub-cortical dysfunction in me; and/or (3) wide variation in goodness-of-fit between each driver-body and each vehicle-dynamics.
#7636 of 10007
BMW 535d vs. 545i by lexusguy
Jun 24, 2006 (2:07 am)
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This is a great video, especially for the diesel heads. Top Gear tests the 535d, and then races it against a 545i.
 
http://www.youtube.com/watch?v=__HpspsvRVg&search=Top%20Gear%20BMW
#7637 of 10007
Re: Steering, handling, roadholding [sfcharlie] by hpowders
Jun 24, 2006 (4:29 am)
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Replying to: sfcharlie (Jun 23, 2006 5:45 pm)

I have driven the M45, GS 430 and 545(which I have) and I agree: the GS is lowest in handling, worst in steering feel- with the 545, the best in both and the M45 definitely behind the BMW, but not too far.
I would say the M45 has better brakes than the 545, however.
 
I found it interesting or should I say inept to test a BMW wagon against an M45 Sport sedan for handling and the BMW almost won anyway!
#7638 of 10007
Strategic Vision Owner Survey June 19, 2006 by sfcharlie
Jun 24, 2006 (5:03 am)
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TOTAl QUALITY INDEX
 
The Total Quality Index score is calculated using multivariate statistical techniques that measure the correlations of all aspects of the vehicle ownership experience including product, reliability and dealership (independent variables) against multiple outcome measures (dependent variables) which include the following:
-Satisfaction with the complete ownership experience
-Perception of quality
-Owner reported delight
-Future purchase intent
-Emotional attachment to vehicle
 
The correlations derived from this complex procedure are transformed into a 1000 point scale to facilitate comparisons. The scores typically range from 750 to 900. Generally, scores over 800 are terrific, although in some segments a score in the low 800's is not very competitive.
 
Infiniti M35/M45 - 908
BMW 5-series - 904
Audi A6 - 893
#7639 of 10007
Noise by sfcharlie
Jun 24, 2006 (5:10 am)
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Replying to: pearl (Jun 23, 2006 7:26 pm)

pearl wrote "I drove an A6 last weekend and also an RL, M35x, and GS. While all are excellent values and no one would go wrong buying any of them in my opinion, the one negative they all have in common is Road Noise! Drive an E350, 530 or GS and the difference is amazing!"
 
Which ones put most and least noise into cabin?
 
CR had Audi and Merceedes excellent on noise. M35, good on noise rating.
 
Anyone know if any of the published comparison tests measure decibels in cabin while test-driving?
#7640 of 10007
Re: Steering, handling, roadholding [markcincinnati] by sfcharlie
Jun 24, 2006 (5:39 am)
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Replying to: markcincinnati (Jun 23, 2006 7:17 pm)

The Audi A6 quattro with S Line is perhaps one of the best kept secrets in the LPS crowd. Now, don't get me wrong, I understand and appreciate the the 5 series (when equipped with a stick shift AND the sport suspension) -- but the Audi A6 quattro SLine IS, almost literally, "on rails" and thus is unmatched especially once there is anything other than totally dry tarmac beneath your feet.
 
Mark ... having just finished two months of test-driving most of the cars covered in this forum (lexus, audi, mb, infiniti), I couldn't agree more. If I could llive several parallel lives and had to predict which, of the cars I drove, would create, for the most consecutive days, an extra ounce of energizing excitement when I was on my way out to drive it in the morning, it would definitely be the A6 S-line I drove. I can't actually give a totally convincing explanation to myself as to why, in the end, I chose the M35, fear some days it was getting caught up in excitement of new model and what Nissan appears to be trying to do (I can root for car companies, as if they were sports teams), and half-unconscious swaying by expectation that Japanese car would not trouble me (I hate hearing myself put it that way) despite two friends (who have owned a combined total of 5 Audi A6s over last decdae) repeating that none of the cars, especially the two 2005s have been back to dealer for no more than a couple minor fixes each.
#7641 of 10007
Re: Noise [sfcharlie] by pearl
Jun 24, 2006 (7:47 am)
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Replying to: sfcharlie (Jun 24, 2006 5:10 am)

obviously, I did not have a dB meter with me, so my assessment is subjective (how loud did it seem?). From most road noise to least, they were RL (Hondas all seem to have this problem), M35X, A6 and GS. The GS was by far the quietest, but to me, was the least "fun" to drive. OEM tire selection clearly is an issue here too, but so is suspension tuning, bushings, etc. Again, all seemed to be excellent cars, but I think it is too bad that some manufacturers seem to make so little effort to deal with interior noise. Cranking up the radio volume to overcome the racket from the tires is unfortunate.
#7642 of 10007
Noise Level Numbers by sfcharlie
Jun 24, 2006 (5:17 pm)
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INTERIOR SOUND LEVELS (from Car and Driver)
 
M45
Idle: 45 dBA
Full-throttle acceleration: 75 dBA
70-mph cruising: 67 dBA
 
Audi A6 4.2
Idle: 43 dBA
Full-throttle acceleration: 72 dBA
70-mph: cruising 68 dBA
 
===================================================
ANOTHER SET OF NUMBERS FROM A CAR AND DRIVER COMPARISON TEST
 
M45 Sport
Idle: 50 dBA
Full-throttle acceleration: 74 dBA
70-mph cruising: 67 dBA
--------------------
Audi A6 4.2
Idle: 45 dBA
Full-throttle acceleration: 76 dBA
70-mph cruising: 68 dBA
------------------------
BMW 530
Idle: 45 dBA
Full-throttle acceleration: 74 dBA
70-mph cruising: 64 dBA
----------------------------------
Lexus GS 430
Idle: 38 dBA
Full-throttle acceleration: 69 dBA
70-mph cruising: 63 dBA
#7643 of 10007
Re: Noise [sfcharlie] by roadglide1
Jun 27, 2006 (12:11 pm)
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Replying to: sfcharlie (Jun 24, 2006 5:10 am)

It is the sound proofing they put in the wheel wells that rids the vehicle of excessive road noise, I drove the RL with the radio on to allow the noise canceling system to work and the vehicle was just as quite, they use this new system to get rid of the excess weight, also the others cars don't have the saftey cage the Acura hase which contributes to the solid feel of the vehicle.
#7644 of 10007
2007 M prices and configurations now available by lansdownemike
Jun 27, 2006 (12:43 pm)
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Look on Edmunds (http://www.edmunds.com/insideline/do/News/articleId=115914) and also on the Infiniti site. Bottom line, not much change, still a 5 speed automatic and AWD only on the M35. Limited options in LPS if you want AWD and 8 cylinders.

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