McLaren and Porsche beat Smart on CO2

* McLaren and Porsche outdo Smart on CO2 * Find out how in our video * but don't think that they're greener...

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What Car? Staff
16 Feb 2011 17:57 | Last updated: 14 Jun 2018 0:3

You might not think that the high-performance McLaren MP4-12C and Porsche Panamera can outdo the Smart ForTwo diesel in a CO2 race, but they can, even though the ForTwo diesel has the lowest CO2 of any car on sale at 86g/km.

Find out how in our video.

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