RWDrift0

I am new to the Lexus camp after trading in my Evo X MR for a 2014 IS350, but I am a bit confused by the performance numbers. Is it correct that the IS350 and the GS350 have identical 0-60 times 5.6 seconds?

I honestly think the car has ample performance but it is a bit odd that the heavier GS with the same engine and transmission would have identical performance.

JDR76

According to Lexus, of the 350 RWD versions:

GS350 - 3795 lbs, 0-60 in 5.7 seconds
IS350 - 3593 lbs, 0-60 in 5.6 seconds

Bass Mech

not sure about RWD vs RWD but i raced my wife in the GS 350 AWD f sport with my IS 350 RWD and it was clear the IS is faster

gvan1998

Its odd the GS RWD has better MPG of 29 compared to IS 350 RWD of 28 MPG when the GS is heavier and bigger. Look at Lexus website.

Hoovey689

iTrader: (16)

Both IS350 and GS350 use the AA81E 8-Speed with the same gearing ratios 1st - 8th.

AA81E
1st 4.596
2nd 2.724
3rd 1.863
4th 1.464
5th 1.231
6th 1.000
7th 0.824
8th 0.685

The only differences I noted were in the Reverse and Differential Raito Type

IS
Reverse 4.056
Differential Ratio Type 3.133

GS
Reverse 2.176
Differential Ratio Type 2.937

RWDrift0

The magazine tests seem to confirm that the IS AND GS RWD both put down 5.6 second runs to 60. I am not sure how that is possible.

I would like to reiterate that I think the IS is great but this is odd.

semoquer

now that's a marriage.

Bass Mech

there is your MPG the GS will be turning lower rpm at the same speed as an IS