I can't get over 20MPG on my 2011 1LT-anyone else? - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

chalkupanother1 · 10-20-2011, 04:41 PM

I drive my 1LT mostly in town, but even on highway I can't get over 20MPG out of this car. Only mod is a MRT1.0 at 1000 miles, and changed oil last month at 3500 miles with Mobil 1. I would expect that MPG on an SS, but not on a V6. Anyone else getting poor MPG, or any suggestions? Could it be a faulty factory tune?

cab2g · 10-20-2011, 04:44 PM

something is definitely wrong. I get 24MPG on the highway going 70+ MPH most of the way. So you reset your MPG counter before the highway test right? Just checking...

Flashpoint135 · 10-20-2011, 04:49 PM

Get it on the highway, get up to 70, put it in 6th, turn on cruise control, then reset the MPG counter. Mine runs around 28MPG+ at that point as long as it is flat. If you are under 20MPG under the same conditions, you have a problem.

jrisebo · 10-20-2011, 04:52 PM

Did a 2400 mile trip, avg over 25 Mpg. That was a lot of highway at 75 or 80. In city I can see around 20

chalkupanother1 · 10-20-2011, 04:55 PM

Thanks Flash...I'll try that. Also will try the old fashioned way of checking MPG too.

ffrcobra_65 · 10-20-2011, 05:12 PM

how long are you on the highway? If you just coming off a few miles of surface roads and do a few miles of freeway, your MPG reading wont improve much. What you are seeing is your average between the 2. When you get on the fwy, reset your MPG to see your consumption on the fwy.

SSSugar · 10-20-2011, 05:21 PM

Dang I get 23+ mpg highway in my SS. Sounds like something is wrong.

AieaboyHI · 10-20-2011, 05:29 PM

Do it the old fashioned way. Fill up. Odometer at 0. Drive a few hundred miles. Fill up again and take the mileage down and do the calculation.

Bay Area SS · 10-20-2011, 05:30 PM

I get 11

ffrcobra_65 · 10-20-2011, 05:43 PM

there is nothing wrong with his car...it's his calculation and understanding of how the MPG average that has a little malfunction.

Rogan · 10-20-2011, 05:50 PM

On the highway in my (cam/head/headers 431rwHP) Vette crusing at 75mph I'd get 32mpg.

Haven't paid attention to what I get in my SS. I will tomorrow.

julio820 · 10-20-2011, 06:04 PM

theres nothing wrong, i get 18mpg all in town. driving good. 17.2 gas pedal on the floor.
and 25-27 highway.

scruffyluv · 10-20-2011, 07:18 PM

I average 22 with highway/city/traffic jams in my 2lt... 28 straight hwy

CamaroJim56 · 10-20-2011, 07:21 PM

Gotta reset that MPG calculator or it will never go up. I reset mine at every fill-up. I get 29ish on the highway 72mph cruise. I get about 19ish going to work, a combo of freeway and town.

10-20-2011, 04:41 PM	#1
chalkupanother1 Drives: 2011 Camaro 1LT RS Join Date: May 2011 Location: NW Indiana Posts: 135	I can't get over 20MPG on my 2011 1LT-anyone else? I drive my 1LT mostly in town, but even on highway I can't get over 20MPG out of this car. Only mod is a MRT1.0 at 1000 miles, and changed oil last month at 3500 miles with Mobil 1. I would expect that MPG on an SS, but not on a V6. Anyone else getting poor MPG, or any suggestions? Could it be a faulty factory tune?

10-20-2011, 04:44 PM	#2
cab2g love. my. car. Drives: 2011 2SS/RS Join Date: Jul 2009 Location: Chicago Posts: 3,372 View My Garage	something is definitely wrong. I get 24MPG on the highway going 70+ MPH most of the way. So you reset your MPG counter before the highway test right? Just checking... __________________

10-20-2011, 04:52 PM	#4
jrisebo Drives: 2011 Camaro RS "Bumble C" Join Date: Jul 2011 Location: Dayton Posts: 569	Did a 2400 mile trip, avg over 25 Mpg. That was a lot of highway at 75 or 80. In city I can see around 20 __________________

10-20-2011, 05:21 PM	#7
SSSugar American Muscle Car Club Drives: '11 2SS/RS Summit White/IOM stripes Join Date: Jun 2011 Location: Panama City, FL Posts: 399 View My Garage	Dang I get 23+ mpg highway in my SS. Sounds like something is wrong. __________________ *Current Toys:* *1969 VW Beetle Convertible (Ruby), Red w/ white top, EMPI black 8-spoke wheels,* *License Plate: Bug Eyes* *1972 Camaro Z-28 (Baby), Haul Ass Orange w/black stripes, 350 crate motor, black powder coated wheels* *License Plate: 2Cool Z* *2010 Camaro 2SS/RS (Spice), Inferno Orange Metallic w/painted Summit White rally stripes, LS3 6-speed (HIS)* *License Plate: 2Cool SS* *2011 Camaro 2SS/RS (Sugar), Summit White w/ painted Inferno Orange Metallic rally stripes, Inferno Orange interior, L99 automatic (HERS)* *License Plate: 1Kool SS*

10-20-2011, 05:30 PM	#9
Bay Area SS Drives: 2010 rs/2ss Join Date: Mar 2011 Location: ca bay area Posts: 669 View My Garage	I get 11 __________________ 1 7/8 long tubes full XS Power exhaust no cats, Rotofab CAI, PowderPro Ported TB, Hurst short throw, TSP 231 236 cam, tuned by Synergy Motorsports 454RWHP, 440 RWTQ. More to come!

10-20-2011, 04:49 PM	#3
Flashpoint135 Drives: 2016 SS Join Date: Jun 2011 Location: Newark, NY Posts: 1,284	Get it on the highway, get up to 70, put it in 6th, turn on cruise control, then reset the MPG counter. Mine runs around 28MPG+ at that point as long as it is flat. If you are under 20MPG under the same conditions, you have a problem.

10-20-2011, 04:55 PM	#5
chalkupanother1 Drives: 2011 Camaro 1LT RS Join Date: May 2011 Location: NW Indiana Posts: 135	Thanks Flash...I'll try that. Also will try the old fashioned way of checking MPG too.

10-20-2011, 05:12 PM	#6
ffrcobra_65 Account Suspended Drives: SuperCharged 2SS/RS IOM MN6 Join Date: May 2009 Location: CA Posts: 5,094	how long are you on the highway? If you just coming off a few miles of surface roads and do a few miles of freeway, your MPG reading wont improve much. What you are seeing is your average between the 2. When you get on the fwy, reset your MPG to see your consumption on the fwy.

10-20-2011, 05:29 PM	#8
AieaboyHI Drives: 2011 IBM 1LT RS Join Date: May 2011 Location: Sacramento Posts: 132	Do it the old fashioned way. Fill up. Odometer at 0. Drive a few hundred miles. Fill up again and take the mileage down and do the calculation.

10-20-2011, 05:43 PM	#10
ffrcobra_65 Account Suspended Drives: SuperCharged 2SS/RS IOM MN6 Join Date: May 2009 Location: CA Posts: 5,094	there is nothing wrong with his car...it's his calculation and understanding of how the MPG average that has a little malfunction.

10-20-2011, 05:50 PM	#11
Rogan No Pain No Gain Drives: Yellow 5th Gen 2SS RS Join Date: Aug 2009 Location: GA Posts: 1,519	On the highway in my (cam/head/headers 431rwHP) Vette crusing at 75mph I'd get 32mpg. Haven't paid attention to what I get in my SS. I will tomorrow. __________________ 2010 2SS/RS/L99 - Headers/CAI/SWAYs/CoilOvers/Tune/Steel Braided Brake Lines/Frozen Slotted Rotors

10-20-2011, 06:04 PM	#12
julio820 Drives: 2012 Camaro 2SS Join Date: Aug 2011 Location: Boca Raton,Florida Posts: 315	theres nothing wrong, i get 18mpg all in town. driving good. 17.2 gas pedal on the floor. and 25-27 highway.

10-20-2011, 07:18 PM	#13
scruffyluv CB5thGEN Drives: 2013 2SS/RS BRM 1LE, 05 Trailblazer Join Date: Oct 2009 Location: VA Beach Posts: 948 View My Garage	I average 22 with highway/city/traffic jams in my 2lt... 28 straight hwy

10-20-2011, 07:21 PM	#14
CamaroJim56 Obsessed Drives: 2016 Hyper Blue 2SS RS Join Date: Jun 2011 Location: Riverview, FL Posts: 2,606	Gotta reset that MPG calculator or it will never go up. I reset mine at every fill-up. I get 29ish on the highway 72mph cruise. I get about 19ish going to work, a combo of freeway and town.

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