The Motor Report Auto News Blog

When the covers first came off the HSV W427 at this years Melbourne Motor Show, the limelight was stolen by Holden’s Coupe 60 concept. The first production ready 7.0-litre LS7 powered HSV sedan ran a distant second to the sexy new coupe in the level of interest that was shown.

But that has all changed today, with HSV releasing official details of the biggest, baddest production sedan in their 20 year history. LS7 power won’t be coming cheap to Australian enthusiasts with the W427 confirmed as retailing for $150,000, plus on-road costs, a price that will rise if the proposed luxury car tax is endorsed.
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Autoexpress are reporting that HSV’s W427 will be heading to the UK, where it will become the high-priced headline act alternative to the VXR8. We were lucky enough to see the W427 at its Melbourne Motor Show debut and while first appearances might fool those not in the know, it is under the hood where mild turns to wild for this monster.

Shoehorned into the HSV’s engine bay is a 7.0-litre dry sumped lump of Chevy Corvette Z06 LS7 V8, good for in excess of 370kW of power and 640Nm of torque. HSV have yet to release the official power output…
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HSV have today announced their move to 6.2-litre LS3 power, a running change that they will be introducing to their E-Series and WM Grange models. Production of LS3 powered HSV’s is underway and they will be a feature on dealers lots from April onwards.

The upgrade will see the ClubSport R8, GTS, Senator Signature, Maloo R8 and WM Grange’s power output rise to 317kW, a 10kW increase over the LS2 engine being replaced.
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Once again Holden and HSV have trumped the opposition at the 2008 Melbourne Motor Show. First the covers came off the oft rumoured, much anticipated LS7 7.0-litre powered VE based hard charger. No, its not being called the GTS-R - HSV have dubbed it the W427 and then the Coupe60…more on that next.
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