Tag: mercedes e63
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New Audi RS7 vs San Francisco!
The Audi RS7 is back, with an extra helping of 'Efficiency'! Though you'll need to be seriously eagle-eyed to spot any visual changes, the genuine story of this brand-new very saloon lies under the bonnet. With a couple of tweaks to the turbochargers, the RS7 Efficiency gains 30hp and 50Nm for an overall of 630hp…