later, Peter Posted August 3, 2005 Share Posted August 3, 2005 Own both: a 96 & a 99 OBW... been enjoyin the air conditioning lately... how much effect on the gas mileage should I expect? $2.50 per gallon, a trip coming up... gotta plan this out. Later, Peter Quote Link to comment Share on other sites More sharing options...
jwc41 Posted August 3, 2005 Share Posted August 3, 2005 Cold air on 100+ days is a necessity, in any car. With my daughter's 96 OBW 5mt, constant A/C use causes the mileage to drop by 5-10%, from 24+mpg around town to 22-23mpg. Highway A/C use brings mileage from 28+mpg down to 25+mpg. When I drive it, I try to help a little by turning the compressor off briefly when starting from a stop and when pulling a hill. Although I have a nagging hunch that my "help" is minimal, it makes me feel better and gives me more engine power in those situations. . Good luck on your trip. Quote Link to comment Share on other sites More sharing options...
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