Old Feb 15, 2005 | 08:21 PM
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Accord2005NJ
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Default Honda Accord 4 cyl Vs. Audi 4 Cyl (Another Gas Question)

2005 Audi 4cyl has compression ratio of 9.3 to 1

2005 Honda Accord has compression ration of 9.7 to 1

WHY does Audi recommend premium fuel ( http://auto.consumerguide.com/auto/n...x.cfm/id/37495 )
and Honda does not? [since I heard a lot of talk here how compression ratio has ALL to do with what gas to use].

Thx
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