Lexster

ISF acceleration times have been updated in the Wheels magazine price section. 4.8 sec 0-100km, 12.9 quarter mile. B)

Yes I have the 2011 suspension revisions and overall it's a good balance between performance and comfort.It suits me but I see some forum members modifying their suspension to be stiffer than factory so different people would prefer different mix of sporty and comfort

Yes I love it. Makes for a much more relaxing journey on long cruises. The isf has everything you need in a luxo sports, and features like this are an added bonus too.

this is a nice and fair review, good post

Does anyone know how acceleration times are determined by manufacturers? The "official" 0-100 time is 4.9 seconds. Should a manufacturer decide to quote an acceleration time, I would have assumed that such a time is recorded on a stock vehicle without any fancy footwork - just ensure the driver weighs about 70 kg, there's only 20 litres of petrol in the tank and stick the accelerator pedal down on a racetrack where there's sufficient grip so as to not spin the wheels too much. (Of course, you can better the time with an appropriate launch technique - YouTube would be much smaller if it wasn't possible to beat the manufacturer's time!) If I'm right, then there's a serious problem with journos who, with an IS F, just stick their foot down and achieve times in the high 5's. My guess: most manufacturers would quote the time they can achieve using some degree of fancy footwork/tricks or otherwise. For example, in a any current AMG, slamming the foot down would lead to high 5s even 6s 0-100 even with traction control on due to immense torque. The driver must roll into the accelerator at a given rate to get sub 5s In an (non modified) sti to get quoted times needs a clutch dump at very high rpm. In practice doing this could fry the manual transmission after a few gos. Current M3s need a sequence of settings to initialise the launch. mess it up and you're left standing still. There may also be a limit of launches before the warranty is void? The isf launch is a simple old fashioned torque brake and go

8.4-8.6 freeway with cruise control, maintaining distance to cars in front with the radar function and assuming light traffic. 14-17 mixed peak hour traffic very frugal in eighth gear on open roads

Finally, someone from the magazine knows how to drive the isf!. 4.8 stock seems about right. My best time stock 0-100 clocked around 4.5 seconds (with the aircond on!), but 4.7-4.8 was the average (using a gtech GPS timer.) however if the journo doesn't know how to launch, the isf will bog down off the line. It would be interesting to read this article. The article seemed to suggest the IS F has launch control? Certainly can't find details of that in mine. So what is the best way to launch them for a quick time? Is it simply turn off all traction control, left foot brake and right foot squeeze the accelerator up and then let go left foot? How well does the transmission cope with that if there is no launch control? Some cars have programmed launch control that suggests would be kinder on the transmission than imposed launch control. Interested in your responses. There is no launch control on the ISF that I know of. The launch technique that works for me is: Leave traction control on, sport mode, transmission in manual Depress the brake pedal hard and simultaneously stall the accelerator to approx 1100 rpm (any more and too much wheelspin) to launch: simultaneously release the brake pedal and quickly depress the accelerator pedal/ floor it Traction control will cancel some wheelspin and then off she goes don't forget to shift to second gear when the "beep" sounds this happens very quickly! You can vary the rpm and rate of flooring it depending on the prevailing conditions. This technique does take some practice to maximise the acceleration and generally 0-100s are in the mid to high 4s Any feedback, suggestions welcome.

:P Perhaps they ran the test with the isf going backwards therefore getting a time one full second slower in the earliest tests. Don't believe everything you see in the magazines, It appears some may have an axe to grind especially in Australian magazines. The tests done by overseas magazines eg car and driver are more on the mark. They are mostly all sub 5 seconds. If they can't get a sub 5 second time from a fully run in isf, they really don't know how to drive. Unless the isf is new and the tires not in suitable condition. Perhaps they should consult forum members first or Lexus Australia should let us Lexus Forum members test the loaner isf before it is loaned to the car magazines so we can keep them honest. It's suspicious that they show the same time as an is 350 in the price section. This is misleading. Isf will convincingly beat an is 350 even if an average driver is at the wheel. Why some people carry such bias against such a lux performance bargain doesnt make sense. This car costs the same overseas as an M3 or C63, yet we get it at substantially lower prices here, and it's not good enough for these journos. Badge snobbery? Euro car bias?

Finally, someone from the magazine knows how to drive the isf!. 4.8 stock seems about right. My best time stock 0-100 clocked around 4.5 seconds (with the aircond on!), but 4.7-4.8 was the average (using a gtech GPS timer.) however if the journo doesn't know how to launch, the isf will bog down off the line. It would be interesting to read this article.

I'll leave mine until the first service too. The rattle near the ear reduced after seals were lubricated, and now the ticking is very mild and intermittent, but there since day one, but now over rough roads/speed humps there is a chaffing sound- it sounds like defective door seals like you said. perhaps the door seal does not conform to the window when fully closed, or the window is bent with more or less curve than it should have and does not conform to the door seal. There is no noise when window half open. I wonder why Lexus can pass a vehicle through quality control with a rattle when new. Am tempted to disassemble and check the door myself, my guess is that it needs new door seals, or a new window. Might push Lexus to replace the seals. I will mentally block out the sound for now and just enjoy the car until service. I don't want to sound too whingy, as other than this rattle the car is a blast to drive. will keep you updated

Is the rattle sorted?

These encounters happens to me all the time. Even had cops take the jump at the lights, but ofcourse I conceded. I am surprised how well the isf fares against c63s ,clk63s hsvs etc, for me they are the more memorable encounters for the traffic light grand prix. (Friendly encounters up to the speed limit of course.) The isf can launch very favourably against these cars. Against these faster cars, it is important to focus on shifting up when the beep sounds. Other than that, had quite a few golf gtis, utes,etc spin their tires at the lights, and some other cars going half way through a red light to get a head start. Quite unbelievable how aggressive some drivers are when youre not racing them but they think you are!

I have a rattle exactly like yours!! Wow I am not alone. Its a nice car with great performance but this rattle is driving me crazy. Rattling near my right ear since new. Manufacturing defect. Def not the seatbelt mechanism, reduced rattling intensity when window was open a bit. Last count had 50 rattles from that door within 25kms, sort of spoils the "luxury" feel doesn't it? Dealer lubricated something in the driver's door and it went away for few days, then came back with a combo rattle/tick like it is loose or about to come loose over potholes, rough road etc I turn up the stereo to drown out the rattle, makes me feel better after spending so much on new car. Is your ISF a current 2012 model too? I got mine last December. I have read so many reviews saying the isf is built like a tank with no rattles and squeaks but this has not been my experience. Had this problem before in a Subaru, which turned out to be a problem with the window actuator/motor which they fixed first go. Frankly as the problem is compounding over time, I don't know if they can ever fix it satisfactorily, unless they replace the entire door? (unlikely) And it takes few weeks to book in for the problem to be seen to. Let us know if yours is sorted out! Good luck