Jaguar has extolled the virtues of its commitment to the use of aluminium in its latest teaser for the soon-to-be-unveiled XJ saloon.

As you would expect, Jaguar is leading with the positive effect lighter-weight construction has on fuel economy, but the engineers also seem keen to talk about increased stiffness, better power to weight ratio and ‘nimble handling’. Which is good for us.

The new XJ gets its official debut on July 9.

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