There is no IS350-F. There's only IS250, IS350, and IS-F

Stock 1/4 mile bench racing traps:
STi's trap around 100-102 mph
IS350's trap around 105 mph
IS-F's trap around 113-115 mph
M3's trap around 111-113 mph

As for the IS-F it isn't an M3 killer. It's a bit faster in a straightline, but can't keep up with the M3 on the track with equal drivers.

 

But that's only for a no option, base model IS-F.

Things get expensive when you add options. I got a quote for $51.5k (MSRP at $54k) on an M3 sedan with no options. The MSRP with a couple options balloon to around $70k

 

well if this helps a draged raced a friend on his 2007 m3 on my old sti my car just had a cat back no cobb accesport got him by two car's then a car and a half m3 have 335hp? might be around the same weight as that lexus not sure?

 

from a dig but i think the m3 would win from a roll

 

Must have been the previous generation M3. They had 333hp

The current gen M3 has 414hp

 

yeah the new one is aslo a v8 i knew i was close lil off on the horsepower but still got him

 

I think this says it all. If it is in fact a real IS-F, and not some IS350, you'll have to trap at least 115 to be able to beat it from a roll. In the 1/4, it does 12.385 @ 115, according to Wikipedia. According to some previous posts, an '04-'05 STI with a turboback and tune (stage 2) can probably do about 12.5 @ 108-109 with a 100 octane tune. So basically, even with a basic stage 2 setup running a 100 octane map, you'll lose, both from a dig and from a roll, although it'll be closer from a dig.
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Infiniti of Oakland had a Blue Mica IS-F for 45k with only a few thousand miles on it IIRC not too long ago...Gorgeous car. Also, a "base" IS-F comes with more goodies than a "base" M3. Similarly equipped, an M is quite a bit more cash.

 

Check out this IS-F!!!

http://www.youtube.com/watch?v=SktYAwjr2aM

 

^ BMW SF still has an brand new 08 M coupe for $10k off MSRP It's the e46 engine though