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Sedans Acura TSX 2010 Acura TSX
132 messages, Last post on Nov 21, 2009 at 3:55 PM
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Replying to: fedlawman (Aug 06, 2009 8:53 pm)
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Replying to: nj2pa2nc (Aug 07, 2009 3:42 am) If you're driving a 16-year-old rusted-out hulk, then saving twenty cents a gallon is, if nothing else, consistent with your lifestyle. Driving a $30K vehicle that recommends (some require, but the TSX isn't one) spending that $100/year extra implies that you can afford it, so why not? In many cases the computer takes care of the effects of running 87 octane in an engine designed for 91, but the effect is often lower fuel mileage from retarding the ignition. Result -- no savings & possible net loss. When I go to higher elevations here "out west" (5K ft or more), I'll run regular all day long -- they sell a lot of 85 octane gasoline is Colorado. The only engines that need premium at high elevations are turbocharged. To each their own, I guess.
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Replying to: cdnpinhead (Aug 07, 2009 4:52 am) |
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Replying to: nj2pa2nc (Aug 07, 2009 3:42 am) Nothing. It's the manufacturer's recommendation that should guide you. My Volvo V70 does not require premium gas, so I use regular. My BMW M3 requires premium gas, so I use it exclusively. By the way, just because you can't detect detonation, doesn't mean your TSX isn't experiencing detonation at certain times. Knocking can be very dramatic and obvious (especially in old cars), but it is often undetectable. Just because you can't hear/feel it doesn't mean it's not occurring. You may never climb hills or drive under part-throttle. Someone else may lug the engine frequently and cause undetected detonation. You may never have a problem with your TSX, but the person who buys it second hand 3, 5, or 8 years from now may be looking at a premature engine rebuild. There's just no way to know. The way I figure it, the engineers that designed the car probably know more than I do about the best way to operate and maintain my car. To my mind, using regular gas in a car designed for premium is no different than trimming the costs in other areas... Stretch your oil change intervals from the recommended 7,500 to 10,000 miles. Drive 5,000 miles past the wear bars on your tires. Shake the dirt out of your air filter when it's time to replace it. Change your fuel filter at 40,000 instead of 30,000 miles. Add a mere 10,000 miles to your transmission fluid service interval, etc. You'll save hundreds of dollars each year and most likely never notice a difference in the performance/reliability of your car.
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Replying to: fedlawman (Aug 07, 2009 8:31 am) One more thing-the new owners of the mazda has over 300,000 miles on it-still running excellent-just needed to be repainted and new seat covers. We made sure it had proper maintenance-oil changes, etc.
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Replying to: nj2pa2nc (Aug 07, 2009 2:51 pm) At least you follow good maintenance practices. It does beg the question though - why are you so fastidious about oil, fluids, tires, etc. but blasé about gasoline?
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Replying to: fedlawman (Aug 07, 2009 3:00 pm) My brother's volvo is the S-80 which recommends premium gas-he uses regular. He used premium for almost a year-switched to regular and has not switched back.
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Replying to: nj2pa2nc (Aug 08, 2009 3:07 am) 
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Replying to: nyccarguy (Aug 03, 2009 7:00 pm) I just traded in my 2007 RDX for a 2010 I4 TSX. Just before the trade, I had an opportunity to drive a loaner 2009 TL base w/ SH-AWD overnight. Honestly, I was not impressed with the TL's engine. Once it was spooled up, the RDX had quicker pick-up and passing ability. While I haven't tested the TSX V6, I'd have to agree the RDX turbo would have been a better choice.
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Replying to: 1bythesea (Aug 25, 2009 8:19 pm)
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