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2.2 vs 2.4 differences

14 messages,  Last post on Aug 29, 2009 at 3:44 AM

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#8 of 14 Re: 2.2 vs 2.4 differences [draymond2] by laco Dec 28, 2008 (6:30 pm)
Replying to: draymond2 (Dec 24, 2008 9:09 am) The 2.2 develops 149HP vs 170 something for the 2.4. Premium fuel is suggested for the 2.4, 87 octane for the 2.2. I have a 2.2 with a five speed, and have never felt it was underpowered, but perhaps having a manual transmission helps more than I think it does. I would certainly buy the same setup again if I were in the market today.
#9 of 14 by dmathews3 Dec 29, 2008 (6:07 am)
You may want to try chevyhhr.net as they are a huge forum site and will have all your answers and some you didn't even know you wanted to ask. Replies to this message: crdave (Jan 01, 2009 9:20 am)
#10 of 14 Re: [dmathews3] by crdave Jan 01, 2009 (9:20 am)
Replying to: dmathews3 (Dec 29, 2008 6:07 am) This is a bit off topic, but our car(Homer- the wife hates the name!) has the 2.4 and gives lots of power for its size. In Canada we have a 10% ethanol blend and a chain called Mohawk/ Husky that sells 90 octane for the same price as 87. In my Scout, the performance difference is very noticeable. I try to use the 90 blend whenever I go on long distances with heavy grades. Even around town it helps on hills leading home, however, not enough to offset the discounts I get at the local Superstore Gas Bar in the Scout that is- the HHR gets the best at all times, unless there is no option when traveling; then you must take what you can get.
#11 of 14 Re: 2.2 vs 2.4 differences [ray80] by poncho167 Jan 02, 2009 (4:28 pm)
Replying to: ray80 (Dec 28, 2008 7:16 am) With the knock sensors the timing is automatically adjusted to prevent that. I haven't heard any knocking in a new car for years. Replies to this message: ray80 (Jan 03, 2009 11:17 am)
#12 of 14 Re: 2.2 vs 2.4 differences [poncho167] by ray80 Jan 03, 2009 (11:17 am)
Replying to: poncho167 (Jan 02, 2009 4:28 pm) I was referring to what is stated in manual, I know many run 87 octane and haven't reported any troubles.
#13 of 14 2.2 by uga91 Jan 22, 2009 (5:37 am)
I am driving a 2009 HHR now as a rental while my car is in the shop for warranty work and it has the 2.2 engine. With 149HP, this must be the same engine Saturn uses as the HHR drives a lot like our old VUE did.
#14 of 14 Re: ray80 [draymond2] by huffmanshhr1 Aug 29, 2009 (3:44 am)
Replying to: draymond2 (Dec 28, 2008 7:33 am) Since we got our car 4 months ago, I can promise you this ....you WILL motice a harder feel and the knocking mentioned if you do not put premium fuel in the 2.4. as it details in the manual. I did not realize this when I first bought it and was complaining ab my mpg. After i fixed the error, my mpg is now where it supposed to be , even better . So you are not really paying more if your gas milage increases. If you do the math, it comes out right. i dont have any figures in front of me and I appologize for that,.but im on the rn this morning! But all in all, using the premium has not been a problem or cost us any more.   god luck

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