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Numbers just don't add up

Asked by Mick Marini

I have a VX Commodore with a Supercharged V6. I have been looking at performance specs on both the RACV and the Holden websites, and both show the Supercharged V6 and the Standard V6 as having similar 0-100km/h times. The RACV even shows the Standard V6 having 0-100km/h at 8.5 secs and the Supercharged V6 at 8.7 secs. I don't know how the times can be identical when the Supercharged V6 has greater power (171kW to 152kW) and greater torque (375Nm to 305Nm). I know other factors come into consideration, such as car weight, but I would like to know why I paid extra for a supercharged engine.

Answered by CarsGuide

19 Dec 2003 Graham Smith

Like you, Mick, I can't explain why the acceleration figures for the supercharged Commodore should be shown as similar to the non-blown car. It doesn't stand to reason. The figures shown on Holden's website are not Holden's own performance numbers. They are taken from a comparison test done by other people. Holden doesn't publish official performance data. The numbers I have suggest that the correct 0-100km/h acceleration number for the normal V6 is about 9.2 sec and the supercharged car gets the job done in about 7.5 sec.

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