On those same models (except Ute ... Holden engineers and designers working on Series II have instituted a series of modifications to produce an average fuel economy gain for all V6 models of 2.8 ...

1. Holden is GM’s Australian division, known for building rear-wheel drive cars. 2. The Ute is based off the Commodore sedan platform, which was sold briefly in the US as the Pontiac G8.

The reason you can’t find much information on a Calais ute is because it never existed. Holden did all sorts of limited edition utes (including things like an Olympic Edition in 2000) but never built ...