From: Randall Parker 

Guys,

Engine controllers can be calibrated for higher fuel efficiency or higher performance
or lower emissions. Ditto for other subsystems.

Comparing cars across national boundaries isn't an apples-to-apples comparison.

Don Hills wrote:
> In article ,
> "Antti Kurenniemi"  wrote:
>
>>Well, I couldn't find this page in English, but from it you can see that
>>there are models of A4 that have the usual limiter (which exists in most
>>fast German cars) set to 250 kmh - about 153 Mph I think. Remove the limiter
>>and it will be even more. Funny stuff - maybe the model naming is different?
>
>
> Maybe it's the way the US fuel is so cut with additives that there's
> precious little left to burn? :-)
>

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