Economy test video: RCZ HDi vs 911 Turbo S

Feature 1 December 2010

Porsche's 911 Turbo S supercar is tested against Peugeot's diesel RCZ HDi at the Rockingham motor speedway to conduct an economy test with a difference. Just how close on fuel economy will both cars get when driven around the track at the same speed? Here, Mike Duff and Vicky Parrott find out.

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