View Full Version : MPG on 2.0 Vs 2.4


Hotrodbob
05-10-2010, 01:32 AM
Thinking about replacing my 2008 2lt 2.4 with a SS. MPG is one of my concerns. Hwy I was getting 30-34 with the 2.4 5spd. What can I expect on a steady cruise with the 2.0?

Thanks

moonsign
05-10-2010, 01:45 AM
I'm getting around 30-32mpg out on the hi-way, cruise on, steady 75-80 mph, here in Nor-cal. Some hills on trip,I get around 30, reasonably flat, get up to 32mpg.
I have the Trifecta tune, WOT, 26 lbs. boost it goes down to around 25 mpg.
I have a 09 SS, and thats the numbers I've been getting.
If you're thinking about a SS, do it, you'll be happy. "Moon"

Hotrodbob
05-10-2010, 01:47 AM
I'm getting around 30-32mpg out on the hi-way, cruise on, steady 75-80 mph, here in Nor-cal. Some hills on trip,I get around 30, reasonably flat, get up to 32mpg.
I have the Trifecta tune, WOT, 26 lbs. boost it goes down to around 25 mpg.
I have a 09 SS, and thats the numbers I've been getting.
If you're thinking about a SS, do it, you'll be happy. "Moon"

Cool. That is what i wanted to hear... Can't find a panel to replace the one I totaled last week so second choice is an SS. Thanks again

sleeper
05-10-2010, 01:49 AM
Insurance will likely be a bit more on an SS.... Just saying.

thumper36
05-10-2010, 01:53 AM
I am 27 with two speeding violations and my insurance is 98 a month. And I consistently see 32 mpg on the hwy with me, my wife and two kids. I get about 23 city around here. I hope this helps some.

Hotrodbob
05-10-2010, 01:53 AM
Insurance will likely be a bit more on an SS.... Just saying.

Yep, but well worth it I'm told.;).. My next choice is a Vette.:eek:...since the kid moved out..:nuts: I miss my '85 vette.. maybe it's time to go back in time...:roll:

Hotrodbob
05-10-2010, 01:57 AM
I am 27 with two speeding violations and my insurance is 98 a month. And I consistently see 32 mpg on the hwy with me, my wife and two kids. I get about 23 city around here. I hope this helps some.

Thanks again for confirming the MPG numbers.. That makes my decision easier

BoostedSS
05-10-2010, 01:58 AM
I'm getting around 22-23 MPG city and that's beating on it here and there in my Automatic

thumper36
05-10-2010, 02:01 AM
Bob- I hope you find whatever makes ya happy !!!




WOW, $1176 per year !!!!! I'm older w/ clean record. $300 per yr, w/$50. deductable.

believe it or not, this is cheap for around here(the atlanta area). I had an 06 4runner before and we paid 130 a month and that was the cheapest around. I also forgot to mention that my wife is 23. I wish I paid you premium, thats a great price.

krh0003
05-10-2010, 08:21 AM
I generally see around 22-24 avg mpg...but then again it seems like my right foot is always touching the floor:nuts:

Father Azmodius
05-10-2010, 08:36 AM
32+ on the highway, averaging 28 combined on my 55 mile roundtrip for work in DC area traffic. GMPP kit, and I put my foot in it, with shifts around 3500 ( 5000 when I'm into it ).

terryk
05-10-2010, 01:05 PM
32+ on the highway, averaging 28 combined on my 55 mile roundtrip for work in DC area traffic. GMPP kit, and I put my foot in it, with shifts around 3500 ( 5000 when I'm into it ).

That's about what I am seeing.

asanti
05-10-2010, 05:58 PM
I'm getting an average of 25ish mph. :eek: That's 60-70 miles daily in my commute and I keep it at no less than 75-80 on the highway. You can see all the mods I have in my sig, but I do have a heavy right foot though!! :lol:

Later
Allex

87silver
05-10-2010, 06:21 PM
30 is about the best I have done; less than I expected. The result of my usual combination of mostly hwy with maybe 10/20% around town on business trips.

Maybe if I focused on mpg, hwy would be better; I don't know for sure.

About 24 around town though, which is better than I expected. (5 speed, LSD, Stage 1)

HHR4JK
05-10-2010, 06:32 PM
i have NEVER gotten over 29 mph on the highway with my 07 LT2 ... 2.4

hyperv6
05-10-2010, 06:33 PM
I see 23-24 in summer around town and that is not resetting the MPG at each fill up. That is a real for the month reading.

Highway I see around 30 MPG.

Note the Turbo upgrade will increase the MPG by one MPG under normal driving. IT has been confirmed by an engineer from GMPD.

gilbert
05-11-2010, 12:28 AM
i get 23 city,30 highway.2010 ss with 3100 miles on my car right now.keeps getting better.

Hotrodbob
05-11-2010, 01:06 AM
Note the Turbo upgrade will increase the MPG by one MPG under normal driving. IT has been confirmed by an engineer from GMPD.

What upgrade is that?

Jaxon
05-11-2010, 03:58 AM
turbo upgrade is called the gms1 or gmpp upgrade. I have gotten an average of just over 30mpg on my last 2 tanks since I've been keeping my foot out of it more lately. granted I hit 138 on the last tank of gas and just over 100 a couple times but nicely driving otherwise. the worst I've ever gotten out of a full tank is just under 25mpg but that was with a lot of over 100mph runs while working on my tune some. been too busy to mess with it lately.

TomsHHR
05-11-2010, 09:31 AM
Got 33 mpg on my trip back from Omaha to Superior WI last week and that was 87 octane running 74 mph with my Trifecta Tuned 2.4 Auto.

pitbull76
05-13-2010, 07:38 AM
What upgrade is that?

Stage 1 GM performance upgrade. It might increase your mileage a tad, but it requires premium fuel. The SS without the upgrade can run on regular, but loses a little power.

My mileage is right around 30 MPG on the highway. In mixed driving to work etc is 23-26 depending on the time of year and how hard I am on the car. Mileage is the same or better than my old 06 2.4(both were automatics).

houseofbugs
07-28-2011, 12:47 AM
I replaced my 2005 Vibe with a 2010 HHR SS after the Vibe got totaled. Gas mileage is about 30 on the highway if you can keep your foot out of the boost. ;)

I don't regret it at all. It's a blast to drive!

galtjunk
08-24-2011, 11:16 AM
Stage 1 automatic shows 24mpg instant at 100+ mph.
That's not too bad!

Blue_SS
08-25-2011, 09:06 AM
Stage 1 automatic shows 24mpg instant at 100+ mph.
That's not too bad!

Must be nice to have roads open enough to do this! There's too many people going slow in the left lane around here.