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Coupes & Convertibles Mazda Miata Mazda MX-5 Miata Fuel Questions
8 messages, Last post on Jun 05, 2008 at 9:17 AM
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Just purchased an '07 MX5 and the owner's manual says that I should use 91 octane or better. Is any one else with the same 2.0 engine using a lesser octane? And have you noticed any degradation in performance or mileage?
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Replying to: dmorel (Apr 11, 2007 4:55 am) Expect performance and fuel economy to dip, but, I don't think it would be noticeable. |
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Replying to: aviboy97 (Apr 11, 2007 3:00 pm) I saw this PDF from Mazda: http://www.miata.net/faq/brochures/2006/veh_specs_MX5.pdf On page 11 it does say that under Recommended Fuel, but then it lists 91 octane again under Minimum Fuel Requirement. Can you double-check with the techs there since you work in a dealership? I will eventually replace my '93 with a newer one, and this is my "economy" commuter car. That would be a near deal-killer. 
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| Just put 89 octane in my last tank instead of 91 to see if I could notice a difference,used about3/4 tank when I refilled and got 30.3 per gal, didn't notice any difference in performance but most of the driving was done on country back roads and state roads, the tank before that I got 27.9 and both tanks I wasn't easy on it but also wasn't doing any real crazy driving or rally racing either,but I will probably use 91 most of the time | |
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Replying to: ateixeira (Jun 13, 2007 12:21 pm) 4 bucks a tank? I'd bet that Midrange would be just fine (it's 89 in most places) unless you hear knocking and then Premium is the solution to that.
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Replying to: wpavlik2 (Feb 13, 2008 9:44 am) If you see a bargain 2006 used lemme know. I've seen them around $17k so far. I would sell my 93 first but if it's a steal I might jump on it. |
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Replying to: wpavlik2 (Feb 13, 2008 9:44 am) 
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Looking at a Miata as a 25-mile commuter (mix city/highway). Currently drive an 03 BMW 325 averaging 24.5mpg and it's cherry, so I'd like to think about parking it and hanging onto it rather than continuing to add miles. Regarding the Miata, I'd appreciate real-world mileage numbers from real-world enthusiasts. 5M or 6M please and if you tend to drive in a fairly hasty manner like me (and unlike, say, my father, who *averages* 29mpg in his Boxster), I'd appreciate that feedback. Thanks. |
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