True speed is a company doing true speed tests on several models to see the variance on the supplier figures. This is also done at altitude +- 1350 m.
The performance results not to bad for a detuned S3 at altitude. Have a look :
Audi S3 2.0 TFSI Quattro S tronic
Also see the test on the C63 for example : [url]http://www.truespeed.co.za/index.php/component/content/article/51-pmm/pmm/407-mercedes-benz-c-63-amg-sedan-performance-pack
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The performance results not to bad for a detuned S3 at altitude. Have a look :
Audi S3 2.0 TFSI Quattro S tronic
Also see the test on the C63 for example : [url]http://www.truespeed.co.za/index.php/component/content/article/51-pmm/pmm/407-mercedes-benz-c-63-amg-sedan-performance-pack
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