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Old 03-06-2013, 10:04 AM
ncc.1701 ncc.1701 is offline
Respect to engineers
 
Join Date: Apr 2008
Location: Ontario, north of the border
Posts: 89
Actually - GPS VS car speedo
1992 W124 300E 2.6 - no difference
1995 W124 E320 - 10% speedo is cheating
1995 A124 E320 - 5 %

The general idea is psychological - you can tell your friend / significant other how fast you drove, or your significant other can scream on you to slow down before entering "Street racing" zone.

Regards
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