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Sedans Hyundai Sonata Hyundai Sonata Real World MPG
581 messages, Last post on Nov 22, 2009 at 1:56 PM
You are in the Hyundai Sonata Forum. Your Hosts are pat & karens
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This topic is for Sonata owners to share their actual MPG with others. "Real World" Fuel Economy vs. EPA Estimates Save Money on Gas We Test the Tips |
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Each tankfull returned 23 mpg city with A/C; 31+ mpg highway (70-75 mph with A/C), 2003 Sonata GL V-6, ~16,000 miles, cheapest conventional 10W-30 motor oil I can find on sale, 87 octane unleaded regular. Mileage figures were calculated with a hand calculator, not from a "trip computer" readout. The EPA estimates for this engine in the 2003 Sonata listed 19 mpg city and 27 mpg highway.
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Replying to: rhaeffele (Sep 02, 2005 9:51 am) Did your milage improve after reaching some magic number of miles, as others have stated? Based on my driving conditions, I'm not complaining. But your MPG sounds great and was wondering if I might expect some increase in MPG after reaching a certain number of miles. |
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Replying to: bhmr59 (Sep 02, 2005 10:42 am) It was gradual. My initial mileage (during the car's very first tankful) was abysmal - 16 mpg city and 21 mpg highway. I broke it in easy as the owner's manual directed, though not exceeding 55 mph for the first 1,200 miles was agonizing - saw lotsa middle fingers even though I stayed in the right lane! By 4,000 miles I was up to about where you are now, and by about 6,000 miles I was within 2 mpg of the figures I listed above. Thereafter further improvements were very gradual and it's probably about as good as it's gonna get. These 2.7L engines are generally economical cruisers, but they'll suck the tank dry if they're unnecessarily pushed. One thing you really have to watch, though, bhmr59 are short trips that don't fully warm the engine. They're "H" on motor oil and a terrific way to develop a prematurely sludged-up engine. (This is an internal combustion engine problem, NOT a Hyundai engine problem.) Get it out once a week for 20 miles or more at constant speed to evaporate water condensation and burn off fuel dilution in the oil - both are longevity enemies. Take Hyundai's 7,500 mile oil change interval with a grain of salt, too, if you use conventional motor oil. 5,000 miles is more appropriate unless you pop for a full-synthetic. I change every 3,000 miles - partly because I'm anal and partly because I take so long to rack up miles.
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Replying to: rhaeffele (Sep 02, 2005 4:54 pm) I did change my oil  3100 miles and plan to follow Hyundai's "severe use"/whatever it's called and change every 3 to 3500 miles. Thanks again.
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Replying to: bhmr59 (Sep 02, 2005 5:33 pm)
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Replying to: KarenS (Sep 02, 2005 7:28 am)
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Replying to: KarenS (Sep 02, 2005 7:28 am) |
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Replying to: KarenS (Sep 02, 2005 7:28 am)
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Replying to: KarenS (Sep 02, 2005 7:28 am)
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