LS - 4th Gen (2007-2017) Discussion topics related to the current flagship models LS460, LS460L and LS600H

Test drove LS 500 - a quick comparison with 2014 LS

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Old 02-23-18, 11:20 PM
  #46  
superdenso
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Default V8 coming soon

A v6 is an unbalanced machine finessed to feel balanced. A turbo-straight 6 is a better piece and you can read all about MB's v6 delete from the S in the euro market in the attached link. Perhaps the v6 was poorly received

http://www.motortrend.com/cars/mercedes-benz/s-class/2018/2018-mercedes-benz-s500-european-spec-first-drive-review/

Last edited by superdenso; 02-24-18 at 09:31 AM.
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Old 02-24-18, 10:44 AM
  #47  
SW17LS
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MB is bringing the straight 6 to the S Class in the US next year also, the V6 is just a stopgap here.
Old 02-24-18, 12:35 PM
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Lexuslsguy
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It does not make sense why Lexus does not offer the LS with a high output twin turbo V8. Really kind of boggles the mind. It doesn't take a large displacement to produce ample power. Look what Audi does with the 4.0 in the S8.
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Old 02-24-18, 03:04 PM
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UDel
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Originally Posted by Lexuslsguy
It does not make sense why Lexus does not offer the LS with a high output twin turbo V8. Really kind of boggles the mind. It doesn't take a large displacement to produce ample power. Look what Audi does with the 4.0 in the S8.
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I don't know why they did not just use the 8 cylinder from the LC or GS-F for around 440hp for the new LS or even tune the LS460 8 cylinder for another 25hp or so until they get a new V8. They need a V8 in this class and it would be better to debut with some kind of V8 or V8 option over a tt V6.
Old 02-24-18, 04:41 PM
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Originally Posted by UDel
I don't know why they did not just use the 8 cylinder from the LC or GS-F for around 440hp for the new LS or even tune the LS460 8 cylinder for another 25hp or so until they get a new V8. They need a V8 in this class and it would be better to debut with some kind of V8 or V8 option over a tt V6.
Agree, even a retuned 4.6 V8 would have been better, but then we'd be complaining that it only putting out 400hp.
Old 02-25-18, 05:34 AM
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Originally Posted by JLAWS
Agree, even a retuned 4.6 V8 would have been better, but then we'd be complaining that it only putting out 400hp.
Lol, rightly said. Then another comparison would start on gas mileage of V8 vs other luxury models!.

Some of the product decisions goes beyond 'engineering'. In this 'transition era' where electric cars and self driving cars dominate the news, 'Corporate' will be compelled to show they are 'green' too.
Old 02-28-18, 06:21 PM
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I buy new and keep cars a long time so I've got some time to let the dust settle before I replace my '15 LS460. Having owned two turbocharged cars in the past (both had replacements at least once) I will be watching the reliability closely. Does anybody know who makes the LS500 turbos?
Old 02-28-18, 06:52 PM
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Originally Posted by jimrd
I buy new and keep cars a long time so I've got some time to let the dust settle before I replace my '15 LS460. Having owned two turbocharged cars in the past (both had replacements at least once) I will be watching the reliability closely. Does anybody know who makes the LS500 turbos?
According to Lexus, they were the first to design and build turbos in-house!. Every other car manufactures have 'out sourced' that.
Old 02-28-18, 11:09 PM
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Originally Posted by UDel
I don't know why they did not just use the 8 cylinder from the LC or GS-F for around 440hp for the new LS or even tune the LS460 8 cylinder for another 25hp or so until they get a new V8. They need a V8 in this class and it would be better to debut with some kind of V8 or V8 option over a tt V6.
467HP and 389TQ do sound much better than 386 and 367. The 5 liter peak HP/TQ is made much higher @7100/4800rpm vs our generation @6400/4100rpm. I’m sure a tune might work but the big V8 motor just doesn’t suit this class of car for some...
Old 03-01-18, 05:28 AM
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In my experience working at Toyota, they would NOT have named it the LS 500 if they weren't going to offer it with the 5.0L. Because the 5.0L exists ... if they weren't going to implement it in the vehicle, they would have named the vehicle the LS 350, 470 (for the hp), or 390 for the torque, or 560 (taking a swipe at Merc). Something other than the coincidental nomenclature they have due to the existence of the 5.0L.

So, until that day, I'm taking a deep breath, relaxing, will go pop some popcorn, enjoy my 460, wait for the announcement ... and will catalyze 0133642 to put in his order for my future LS 500 once it's available (I like a dark red with a tan interior, and big ole chrome wheels). And oh yeah, 0133642, don't buy the first model year, buy the 2nd model year with the 5.0L. Thanks!

PS - I haven't driven my 460 in weeks. Too much rain, Scamp tuning and truck duty going on.
Old 03-01-18, 06:38 AM
  #56  
SW17LS
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Originally Posted by Oliver Enterprises
In my experience working at Toyota, they would NOT have named it the LS 500 if they weren't going to offer it with the 5.0L. Because the 5.0L exists ... if they weren't going to implement it in the vehicle, they would have named the vehicle the LS 350, 470 (for the hp), or 390 for the torque, or 560 (taking a swipe at Merc). Something other than the coincidental nomenclature they have due to the existence of the 5.0L.

So, until that day, I'm taking a deep breath, relaxing, will go pop some popcorn, enjoy my 460, wait for the announcement ... and will catalyze 0133642 to put in his order for my future LS 500 once it's available (I like a dark red with a tan interior, and big ole chrome wheels). And oh yeah, 0133642, don't buy the first model year, buy the 2nd model year with the 5.0L. Thanks!

PS - I haven't driven my 460 in weeks. Too much rain, Scamp tuning and truck duty going on.
Lexus has changed their naming conventions, the number is no longer linked to the displacement. You can see this elsewhere in the lineup. GS200t becoming GS300 with no engine change, etc.
Old 03-01-18, 11:33 AM
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Originally Posted by SW17LS


Lexus has changed their naming conventions, the number is no longer linked to the displacement. You can see this elsewhere in the lineup. GS200t becoming GS300 with no engine change, etc.
Yeah, I did read that somewhere. And on the hybrid vehicles, I can understand the challenge. On a vehicle not offered as a hybrid, I don't know, but I'm hoping they stick to tradition where possible.
Old 03-01-18, 11:46 AM
  #58  
SW17LS
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Originally Posted by Oliver Enterprises
Yeah, I did read that somewhere. And on the hybrid vehicles, I can understand the challenge. On a vehicle not offered as a hybrid, I don't know, but I'm hoping they stick to tradition where possible.
Its already done, they won't be.
Old 03-01-18, 12:11 PM
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Jason, we are going to need you more than ever to make the TTV6 sound like a V8
Old 03-01-18, 01:02 PM
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I like the sound of a turbo, both spooling and the associated sound through the exhaust. I'm betting that can be done. However, the sounds I'm used to hearing from a turbo might tend to quickly become non-Lexus appropriate. And certainly (IMO) would not hold the same "air of authority" that a V8 rumble can have. I like V6's, but their sound is a little more, "Fast & Furious" (to me) versus the sweet V8 tone our engines put out (with Exhaust Vents that is).

I just bought a (well used) G35 this past winter for my oldest son. It has a nice sounding V6. But I don't believe that sound would be nearly as authoritative as our V8. The G35 sounds good, but the 4.6L sound like, "the boss."


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