IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

Why does the 2007 IS 250 AWD get better mpg than a 2010 IS 250 AWD?

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Old 02-08-18, 11:18 AM
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KayJ4311
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Default Why does the 2007 IS 250 AWD get better mpg than a 2010 IS 250 AWD?

Looking at a 2010 IS 250 AWD to replace my 2007 IS 250 AWD that another driver on the road totaled. I LOVED "Beautiful", my 2007. So I found another that is very similar in all aspects down to the color, only the new one does not have a spoiler and is a 2010 vs 2007. According to all sources I've checked, I see that the 2010 gets a little less than the 2007's. Why is that?
Old 02-08-18, 11:46 AM
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flowrider
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What are the sources? If you like the spoiler, and the color is the same. You can move it to the newer car.

Lou
Old 02-08-18, 12:12 PM
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gompka
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Originally Posted by KayJ4311
Looking at a 2010 IS 250 AWD to replace my 2007 IS 250 AWD that another driver on the road totaled. I LOVED "Beautiful", my 2007. So I found another that is very similar in all aspects down to the color, only the new one does not have a spoiler and is a 2010 vs 2007. According to all sources I've checked, I see that the 2010 gets a little less than the 2007's. Why is that?
I believe the epa put in stricter mpg guidelines for 2010 model year, not 100% sure though.
Old 02-08-18, 12:37 PM
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Jeff Lange
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Originally the IS250 AWD was rated for 22/28, however after the EPA updated their testing methods, the rating dropped to 20/26. This new rating applies to both the 2007 and 2010 IS250 AWD.

Jeff
Old 02-08-18, 01:17 PM
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DMV350
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..........

Last edited by DMV350; 01-14-19 at 08:41 PM.
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