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Lexus LS 460/LS 460L Styling Impressions

3321 messages,  Last post on Apr 22, 2007 at 12:29 PM

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#504 of 3321 New 4.6L engine thoughts.... by pearl Aug 07, 2005 (12:13 pm)
as usual, Lexus has made little known about the upcoming 4.6L V8; however, we should expect that, beyond expanding displacement from 4.3 to 4.6L, they will at least add the technologies found on the new 3.5L V6: continuously variable valve timing on both the intake and exhaust cams (as opposed to only the intake cam on the 4.3), some sort of variable intake air management to permit maximum air flow at high rpm and a more focused flow at lower rpms (Mercedes uses a "tumble flap" design on their 3.5L V6), possibly some form of direct fuel injection (which could also permit a higher compression ratio). Coupled with the increased displacement, such an engine should easily produce 350hp or more, plus lower emissions and probably increased fuel economy. If Lexus further enhances their automatic transmission, perhaps by adding a seventh gear, then even with increased overall vehicle weight, we could be looking at a faster, more economical car, with lower emissions. I hope we hear something on this engine fairly soon. It has mostly gotten lost in the shuffle with the anticipation of the LS600h, but in my opinion, the 460 may be the 'best of the best". Replies to this message: lexusguy (Aug 07, 2005 12:33 pm) oac (Aug 07, 2005 9:33 pm) lexusguy (Aug 10, 2005 5:03 am)
#505 of 3321 Re: New 4.6L engine thoughts.... [pearl] by lexusguy Aug 07, 2005 (12:33 pm)
Replying to: pearl (Aug 07, 2005 12:13 pm) Thats basically what I'm expecting with the new motor. I'm pretty sure its a completely new V8, and not a bump like the 4.0 to 4.3. The LS460 should have at least 7 forward speeds. Replies to this message: oac (Aug 07, 2005 9:33 pm) lexusguy (Aug 10, 2005 5:03 am)
#506 of 3321 Re: New 4.6L engine thoughts.... [lexusguy] by oac Aug 07, 2005 (9:33 pm)
Replying to: lexusguy (Aug 07, 2005 12:33 pm) Agree. Speculation has the 4.6L at ~350 HP and about same in torque. Kevin already speculated a 7-speed tranny, but who knows... may be that is scheduled for the 600H and not the base LS460. Even with a carry-over 6-speed to the '07 release, and with increased weight, the car should do the low-to-mid-5s 0-60. That is plenty speedy for all but the most power hungry buyers. And that's what the LS600H will satisfy - speed and economy (mpg). Replies to this message: lexusguy (Aug 10, 2005 5:03 am)
#507 of 3321 Re: New 4.6L engine thoughts.... [oac] by lexusguy Aug 10, 2005 (5:03 am)
Replying to: oac (Aug 07, 2005 9:33 pm) Based on reaction to the RX400h, I think the LS600 should do well. The one area where I think Lexus made a mistake was deciding to make the GS450 RWD. If they instead made it AWD (with electric motors driving the fronts instead of the rears as in the RX400), there would not be such an overlap with the GS460, and it would also give them a car to compete with the A6 4.2 and E500 4matic, something nobody else has.
#508 of 3321 AWD? by mikeroch Aug 10, 2005 (8:20 am)
Hi all,   Sorry if this has been addressed before, but is there any indication (or perhaps "confirmed" information) as to whether the LS460 will be all wheel drive?   Thanks Replies to this message: syswei (Aug 10, 2005 8:28 am)
#509 of 3321 Re: AWD? [mikeroch] by syswei Aug 10, 2005 (8:28 am)
Replying to: mikeroch (Aug 10, 2005 8:20 am) About a year ago I read something from Lexus suggesting that its hybrid vehicles would all be AWD. Since the GS450h will be RWD, I guess they changed their minds.   Personally I think they should put AWD on at least some versions of the 2007 LS.   Kevin if you read this, add AWD to the wishlist. Speaking for myself, the reason I don't own an LS now is the lack of AWD. If the 2007 LS lacks AWD I won't be a customer, and maybe would turn to Infiniti (depending on what the next Q is like and if it has AWD) or, heaven forbid, a German make.
#511 of 3321 Future LS600h by idele Aug 10, 2005 (9:03 am)
The concept LF-S is an AWD hybrid with rather sleek styling. I hope that it's the prototype of the prospective LS600h. Replies to this message: oac (Aug 10, 2005 10:30 am) syswei (Aug 10, 2005 10:38 am)
#512 of 3321 Re: Future LS600h [idele] by oac Aug 10, 2005 (10:30 am)
Replying to: idele (Aug 10, 2005 9:03 am) If one follows the logic of the new '06 releases (IS and GS), it is clear that Lexus provides AWD on the lower trim models (GS300 and IS250). One can then speculate that the LS460 will have an AWD option since it will be the lowest trim of the LS model - LS460, LS600H, and potentially a higher-end $100K+ LS. I'd be hard pressed to expect the 600H as an AWD, being that the GS450H is also a RWD. Replies to this message: syswei (Aug 10, 2005 10:38 am)
#513 of 3321 Re: Future LS600h [oac] by syswei Aug 10, 2005 (10:38 am)
Replying to: oac (Aug 10, 2005 10:30 am) That makes sense. I think what Lexus does is put options that it expects to have a less than 50% take rate on the higher volume (= lower end) variants...so maybe I'll end up in a LS460awd.   On the other hand, now that they've had more time to see how the comptetition is spreading AWD around, maybe they'll start to make AWD a more widespread option themselves. One can hope anyway.

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