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MPG or performance: It's a trade with turbos

Some automakers say turbochargers offer high fuel economy and quick acceleration, the best of both worlds. Well, yes and no. Turbocharged vehicles allow automakers to keep power output high while they downsize engines for better fuel economy.

Porsche reveals extreme 911 GT2 RS

Porsche has revealed its most powerful and arguably most extreme road-going 911 to date: the GT2 RS. The new rear-wheel-drive road rocket will debut publicly at the Moscow auto show in late August and will go on sale in the United States in October. The GT2 RS, to be built in a limited run of 500, is powered by the latest evolution of Zuffenhausen's 3.6-liter, twin-turbocharged, horizontally opposed six-cylinder engine, tuned to deliver a Le Mans-grade 620 hp.

Bentley's posh leather child seat

Bentley has launched a new collection of accessories to compliment its cars, all of which apparently highlight the company’s 'design and craftsmanship skills'. From child seats to torches, the range is designed to make the life of your average Bentley owner just that little bit more comfortable. Perhaps, but having spent £150,000 on 200mph of GT pleasure, you are unlikely to fit a Halfords booster seat. The hand-stitched child seat - for 'the company’s smallest enthusiasts' - is made to match mum or dad's car with the same leather and piping, and can feature the child's name embroidered on the back beneath the Bentley wings, if Sir or Madam wishes.