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Chevrolet Impala Real World MPG

117 messages,  Last post on Apr 15, 2009 at 11:28 AM

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What is this discussion about? Chevrolet Impala, Fuel Efficiency (MPG), Sedan

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#4 of 117 MPG by cloudshift Jul 27, 2005 (6:16 pm)
2003 Impala 9C1 police package, 3.8 V6... 41k miles when I got it, has about 65k (had it about a year)... I get about 22-24 around town... mostly about 23... I've gotten about 29-30 before on a trip (all interstate driving)... I was happy with that...
#5 of 117 MPG on 2003-04 Impala ? by michel4 Jul 21, 2005 (7:14 pm)
I am seriously considering purchasing a 2003 or 2004 Impala with the 3.4L engine. My question to you owners is,   WHAT SORT OF GAS MILEAGE ARE YOU GETTING?   Please specify what year and engine size you have and whether you are giving highway, city or combine mileage.   I will really appreciate your response!! Replies to this message: kwhittum (Jul 22, 2005 3:53 am) johnnygrits (Jul 25, 2005 9:30 am) lamronh49 (Nov 27, 2005 6:51 pm) 55ford (Dec 14, 2005 2:04 pm) road46 (Nov 06, 2008 7:42 pm)
#6 of 117 Re: MPG on 2003-04 Impala ? [michel4] by kwhittum Jul 22, 2005 (3:53 am)
Replying to: michel4 (Jul 21, 2005 7:14 pm) 3.4L 2001 Impala.... 23.5 city MPG and 30MPG highway (trips traveling 65/75mph on cruise)
#7 of 117 Re: MPG on 2003-04 Impala ? [michel4] by johnnygrits Jul 25, 2005 (9:30 am)
Replying to: michel4 (Jul 21, 2005 7:14 pm) I have a 2001 Impala and it got 33 highway and 30 city brand new. Now it has 144,000 and gets about 26 highway. Not sure about the city.
#8 of 117 Re: MPG on 2003-04 Impala ? [michel4] by lamronh49 Nov 27, 2005 (6:51 pm)
Replying to: michel4 (Jul 21, 2005 7:14 pm) I have a 2004 Impala base, bought new Dec. 04 and now has 20,000 on it. I get 29-31 typically on the road, up to about 33 for the best; in town I get in the low 20s. I use brand name gas and occasionally fill with premium or mid grade. Coming across S. Dakota, Wyoming, and Montana where the only gas available was corn gas, 85.5 octane for regular, I got about 2-3 mpg less. Highway for me is 65-85 mph. I keep the tires at about 35lbs. I did my initial oil and filter at 1,000 miles. Last oil change I used synthetic and I plan to continue with synthetic oil, changing about every 5,000. I run a K&N air filter.
#9 of 117 Re: MPG on 2003-04 Impala ? [michel4] by 55ford Dec 14, 2005 (2:04 pm)
Replying to: michel4 (Jul 21, 2005 7:14 pm) I bought a 2004 Impala with 8100 miles on the odometer in Oct 2004. Engine is the "base V-6" (3.4 liter). In my case I get no where near the EPA rating (no surprise there) which is 21 city and 32 highway. City driving gets me only 16-18 mpg and so far one trip has given a high of 26.3 mpg, however to be fair, most of that was mountainous with many upgrades and downgrades, so the tranny was shifting up and down most of the way. I am, therefore, assuming a trip across level interstates might return a 28-30 figure, but that is only an assumption at this point. So far the car has been reliable, has good performance and is smooth and quiet. I carry 32 psi in the tires, and change oil and filter at 3,000 mile intervals. My use of gasoline is generally wherever the price is lowest and I have noticed NO difference in performance or mileage regardless of the brand of gas (always 87 octane) used. It's a good car, but if mileage is important I'd consider the Malibu which is lighter and more fuel efficient. (I also understand the Malibu V-6 gets better mileage than its 4 cylinder counterpart).
#10 of 117 Real World Mileage for 06 3.9 3LT or LTZ by jfcnet Feb 18, 2006 (11:11 am)
Howdy, I'm in the market for a new Car. I tend to buy the engine first. I currently own a 2001 pontiac Grand prix GT. I has the 3.8 L 90 deg. V6. In the real world I get about 23 city and about 28 hwy. I love this car, It is a great combo of performance and economy. Plus it's durable I have about 197k miles on it and still going strong.   I have driven the impala 06 with both the 3.5 and 3.9. I like the power with the 3.9 however I'm concerned about the milage Being a Gm/domestic buyer with 2k on my Gm card I will definately buy some gm product. So if you own an impala with either the 3.5 or 3.9. I would like to here about your (after breakin milage)   Thanks   Jfcnet (el Paso,tx) Replies to this message: zjim (Apr 23, 2006 11:42 am)
#11 of 117 Don't believe the sticker on MPG, or other marketing! by realcarguy Mar 04, 2006 (5:11 pm)
I had a 2001 Monte Carlo SS that got great mileage close to the sticker (28-31 HWY) with great performance, fit/finish and handling! I felt I had to trade it at 100K as the warranty was up. The new Impala SS get's terrible mileage (22 tops expressway, no wind, no hills, no traffic, 69MPH average over 200 miles)! The mileage seem's to be stuck around 19-22 both in town and out. The driver and trips have not changed, just the car. The "EPA" sticker was virtually the same for both cars. The performance, like the mileage, is not as good as other choices. The fit and finish is bad as well along with bad heated seats, windshield washers, side and roof trim falling off, inner-fender wells gaping, etc. I have even had the folks at GM corporate here in MI involved (including the platform mgr. and a marketing person)! All I have gotten is gee that's too bad, don't you like the exhaust sound though. Is any body else getting this run around after paying good money? After 7K+ miles I really miss my old MC SS! Replies to this message: p100 (Mar 10, 2006 10:31 am) ironjasper (Mar 20, 2006 7:43 pm)
#12 of 117 Re: Don't believe the sticker on MPG, or other marketing! [realcarguy] by p100 Mar 10, 2006 (10:31 am)
Replying to: realcarguy (Mar 04, 2006 5:11 pm) Well, I have to mention this, but your SS has the same engine as my '06 Silverado crew cab 4X4 Z71 pickup. I get 15 MPG in town, 16-17 on the highway out of my truck. Impala SS, being more aerodynamic and much lighter, having the DOD system, and taller gearing, will probably get 5 MPG more. This is nothing abnormal. Large engine = lower fuel economy. I understand your frustration, because you are not getting the mileage anywhere near to what the sticker says. However, if you buy ANY car or truck with a 300+ HP engine, forget the upper 20's or low 30's. Low 20's at best.
#13 of 117 Re: Don't believe the sticker on MPG, or other marketing! [realcarguy] by ironjasper Mar 20, 2006 (7:43 pm)
Replying to: realcarguy (Mar 04, 2006 5:11 pm) I would have to agree and disagree with some of RealCarGuy's comments.    In my SS, I'm averaging about 15 mpg in town driving. This is with 93 octane gas and a decent amount of "pushing the pedal down".... I am also not real happy with this number.    I haven't taken many highway trips yet, but when I have I've averaged about 23-26 mpg with the cruise set on 68 most of the time.   My car doesn't have ANY trim issues. Everything fits well, and nothing is falling off. Actually, after 2500 miles, I haven't had any problems with the car, including the seat heaters.   Just like any car, it's possible to get a lemon. Not to belittle RealCarGuy's experience, but I don't think his SS is representative of the car in general.   John

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