The noticeable changes between E Series 2 and 3 include the GTS power has been increased to 325 kilowatts , making it once again the top of the HSV list; the GTS E Series II price has been increased to $80,990; the HSV Enhanced Driver Interface (racing version of Holden IQ), the new LPI system, LPG and unleaded fuel are $5,990 options on all models except the R8 Tourer; and the updated Holden VE II Commodore interior and new rear exhaust and rear spoilers.