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Chevrolet Impala Gas Mileage

The modern Chevy Impala produces respectable fuel economy for a large sedan. When equipped with either the 3.5 or 3.9 liter six-cylinder engine, the roomy Impala’s gas mileage rating falls between 27 and 29 miles per gallon on the highway. Results with the 5.3 liter V-8 (last available in 2009) aren’t anything to sneeze at either, with a rating of 16 city / 24 highway. The Impala is a big, comfortable ride that’s conservatively priced and well suited to soaking up the highway miles.

A significant number of E85-capable FlexFuel Impalas were produced over the years. While these older engines were not optimized to achieve great fuel-efficiency with E85, the ability to run locally-produced ethanol may be advantageous in certain locales and instances. With the proverbial still in your shed, you can enjoy big (domestic!) car comfort without sending your fuel dollars overseas.

While all the chrome, the two-tone paint and the fins may be long gone, the Chevrolet Impala is still a king of the open road and a true slice of Americana, with a long and storied past that dates all the way back to the 1950s. And ready-or-not, the latest update might just bring back memories of the performance-oriented Impala SS.

Although long overdue for a platform and design update, the 2012 Impala offers significantly more power as well as a slightly higher level of fuel-efficiency, as it continues to offer FlexFuel-capability. The addition of a direct-injected 3.6-liter V6 engine and six-speed automatic transmission in the 2012 Impala promises to deliver 18 MPG city / 30 MPG highway with conventional regular unleaded gasoline.

The 2012 Impala’s 3.6-liter V6 is rated at 300 horsepower (HP), a significant jump from the previous model’s 211 HP 3.5 and 230 HP 3.9 V6 engine choices. Needless to say, we look forward to road tripping Chevy’s big four-door sedan in the near future.



Chevrolet Impala Gas Mileage – 1979-2011 (see also: Chevrolet Caprice)

Year Manf. Model Engine Disp. Fuel Trans. City Highway
2011 Chevrolet Impala 6 cylinder 3.9 liter R (A4) Auto 17 27
2011 Chevrolet Impala 6 cylinder 3.5 liter R (A4) Auto 19 29
2010 Chevrolet Impala 6 cylinder 3.5 liter R (A4) Auto 18 29
2010 Chevrolet Impala 6 cylinder 3.9 liter R (A4) Auto 17 27
2010 Chevrolet Impala 6 cylinder 3.5 liter R (A4) Auto 18 29
2009 Chevrolet Impala 6 cylinder 3.5 liter E (L4) Auto 14 22
2009 Chevrolet Impala 8 cylinder 5.3 liter R (L4) Auto 16 24
2009 Chevrolet Impala 6 cylinder 3.9 liter R (L4) Auto 17 27
2009 Chevrolet Impala 6 cylinder 3.9 liter E (L4) Auto 13 20
2009 Chevrolet Impala 6 cylinder 3.5 liter R (L4) Auto 19 29
2009 Chevrolet Impala 6 cylinder 3.5 liter R (L4) Auto 18 29
2008 Chevrolet Impala 6 cylinder 3.9 liter E (L4) Auto 13 20
2008 Chevrolet Impala 8 cylinder 5.3 liter P (L4) Auto 16 24
2008 Chevrolet Impala 6 cylinder 3.5 liter R (L4) Auto 18 29
2008 Chevrolet Impala 6 cylinder 3.5 liter R (L4) Auto 18 29
2008 Chevrolet Impala 6 cylinder 3.5 liter E (L4) Auto 14 21
2008 Chevrolet Impala 6 cylinder 3.9 liter R (L4) Auto 18 28
2007 Chevrolet Impala 6 cylinder 3.5 liter R (L4) Auto 21 31
2007 Chevrolet Impala 6 cylinder 3.5 liter E (L4) Auto 16 23
2007 Chevrolet Impala 6 cylinder 3.5 liter R (L4) Auto 21 31
2007 Chevrolet Impala 6 cylinder 3.9 liter R (L4) Auto 20 29
2007 Chevrolet Impala 8 cylinder 5.3 liter P (L4) Auto 18 27
2006 Chevrolet Impala 8 cylinder 5.3 liter P (L4) Auto 18 28
2006 Chevrolet Impala 6 cylinder 3.9 liter R (L4) Auto 19 27
2006 Chevrolet Impala 6 cylinder 3.5 liter R (L4) Auto 21 31
2006 Chevrolet Impala 6 cylinder 3.5 liter E (L4) Auto 16 23
2005 Chevrolet Impala 6 cylinder 3.4 liter R (L4) Auto 21 32
2005 Chevrolet Impala 6 cylinder 3.8 liter P (L4) Auto 19 28
2005 Chevrolet Impala 6 cylinder 3.8 liter R (L4) Auto 20 30
2004 Chevrolet Impala 6 cylinder 3.4 liter R (L4) Auto 21 32
2004 Chevrolet Impala 6 cylinder 3.8 liter R (L4) Auto 20 30
2004 Chevrolet Impala 6 cylinder 3.8 liter P (L4) Auto 18 28
2003 Chevrolet Impala 6 cylinder 3.4 liter R (L4) Auto 21 32
2003 Chevrolet Impala 6 cylinder 3.8 liter R (L4) Auto 19 29
2002 Chevrolet Impala 6 cylinder 3.8 liter R (L4) Auto 19 29
2002 Chevrolet Impala 6 cylinder 3.8 liter R (L4) Auto 18 28
2002 Chevrolet Impala 6 cylinder 3.4 liter R (L4) Auto 21 32
2001 Chevrolet Impala 6 cylinder 3.4 liter R (L4) Auto 21 32
2001 Chevrolet Impala 6 cylinder 3.8 liter R (L4) Auto 20 30
2000 Chevrolet Impala 6 cylinder 3.4 liter R (L4) Auto 20 32
2000 Chevrolet Impala 6 cylinder 3.8 liter R (L4) Auto 20 29
2000 Chevrolet Impala 6 cylinder 3.8 liter R (L4) Auto 20 29
1985 Chevrolet Impala/Caprice 6 cylinder 4.3 liter R (L4) Auto 17 25
1985 Chevrolet Impala/Caprice 8 cylinder 5.0 liter R (L4) Auto 16 24
1985 Chevrolet Impala/Caprice 6 cylinder 4.3 liter R (L3) Auto 18 24
1985 Chevrolet Impala/Caprice 8 cylinder 5.0 liter R (L4) Auto 17 24
1985 Chevrolet Impala/Caprice 8 cylinder 5.7 liter R (L4) Auto 13 19
1985 Chevrolet Impala/Caprice 8 cylinder 5.7 liter D (L3) Auto 21 29
1985 Chevrolet Impala/Caprice 8 cylinder 5.7 liter D (L4) Auto 21 30
1985 Chevrolet Impala/Caprice 6 cylinder 4.3 liter R (L4) Auto 18 27
1985 Chevrolet Impala/Caprice 6 cylinder 4.3 liter R (L3) Auto 17 23
1984 Chevrolet Impala/Caprice 6 cylinder 3.8 liter (A3) Auto 19 28
1984 Chevrolet Impala/Caprice 6 cylinder 3.8 liter (A3) Auto 19 26
1984 Chevrolet Impala/Caprice 8 cylinder 5.0 liter (A4) Auto 18 29
1984 Chevrolet Impala/Caprice 8 cylinder 5.0 liter (A3) Auto 17 26
1984 Chevrolet Impala/Caprice 8 cylinder 5.7 liter (A4) Auto 23 38
1984 Chevrolet Impala/Caprice 8 cylinder 5.7 liter (A3) Auto 23 35
1984 Chevrolet Impala/Caprice 8 cylinder 5.7 liter (A4) Auto 15 24
1984 Chevrolet Impala/Caprice 8 cylinder 5.0 liter (A4) Auto 17 28
1984 Chevrolet Impala/Caprice 8 cylinder 5.0 liter (A3) Auto 17 26
1983 Chevrolet Impala/Caprice 8 cylinder 5.0 liter 6 (A4) Auto 17 29
1983 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 9 (A4) Auto 22 37
1983 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 9 (A3) Auto 23 35
1983 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 6 (A4) Auto 15 25
1983 Chevrolet Impala/Caprice 8 cylinder 5.0 liter 6 (A3) Auto 17 24
1983 Chevrolet Impala/Caprice 8 cylinder 5.0 liter 6 (A4) Auto 17 30
1983 Chevrolet Impala/Caprice 6 cylinder 3.8 liter 6 (A3) Auto 19 27
1983 Chevrolet Impala/Caprice 6 cylinder 3.8 liter 6 (A3) Auto 18 26
1983 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 9 (A4) Auto 22 37
1983 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 9 (A3) Auto 23 35
1982 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 9 (A3) Auto 22 33
1982 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 6 (A3) Auto 14 20
1982 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 9 (A4) Auto 22 36
1982 Chevrolet Impala/Caprice 8 cylinder 5.0 liter 6 (A4) Auto 17 28
1982 Chevrolet Impala/Caprice 8 cylinder 4.4 liter 6 (A4) Auto 18 30
1982 Chevrolet Impala/Caprice 8 cylinder 4.4 liter 6 (A3) Auto 17 26
1982 Chevrolet Impala/Caprice 6 cylinder 3.8 liter 6 (A3) Auto 19 27
1982 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 9 (A3) Auto 22 33
1982 Chevrolet Impala/Caprice 8 cylinder 5.0 liter 6 (A4) Auto 16 27
1982 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 9 (A4) Auto 22 36
1982 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 6 (A3) Auto 15 20
1982 Chevrolet Impala/Caprice 6 cylinder 3.8 liter 6 (A3) Auto 18 27
1982 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 6 (A3) Auto 14 20
1982 Chevrolet Impala/Caprice Wagon 8 cylinder 5.7 liter 9 (A3) Auto 22 33
1982 Chevrolet Impala/Caprice Wagon 8 cylinder 5.7 liter 9 (A3) Auto 22 32
1982 Chevrolet Impala/Caprice Wagon 8 cylinder 5.7 liter 9 (A4) Auto 22 36
1982 Chevrolet Impala/Caprice Wagon 8 cylinder 4.4 liter 6 (A4) Auto 16 25
1982 Chevrolet Impala/Caprice Wagon 8 cylinder 5.0 liter 6 (A4) Auto 16 25
1982 Chevrolet Impala/Caprice Wagon 8 cylinder 5.0 liter 6 (A4) Auto 16 25
1982 Chevrolet Impala/Caprice Wagon 8 cylinder 5.7 liter 9 (A4) Auto 22 35
1981 Chevrolet Impala/Caprice 6 cylinder 3.8 liter 6 (A3) Auto 20 30
1981 Chevrolet Impala/Caprice 8 cylinder 4.4 liter 6 (A3) Auto 18 26
1981 Chevrolet Impala/Caprice 6 cylinder 3.8 liter 6 (A3) Auto 19 26
1981 Chevrolet Impala/Caprice 8 cylinder 5.0 liter 6 (A3) Auto 16 23
1981 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 6 (A3) Auto 15 21
1981 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 9 (A3) Auto 22 34
1981 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 9 (A3) Auto 21 33
1981 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 6 (A3) Auto 15 22
1981 Chevrolet Impala/Caprice 8 cylinder 5.0 liter 6 (A3) Auto 16 23
1981 Chevrolet Impala/Caprice 8 cylinder 5.0 liter 6 (A4) Auto 16 26
1981 Chevrolet Impala/Caprice 8 cylinder 5.0 liter 6 (A4) Auto 17 26
1981 Chevrolet Impala/Caprice Wagon 8 cylinder 5.7 liter 9 (A3) Auto 21 32
1981 Chevrolet Impala/Caprice Wagon 8 cylinder 5.0 liter 6 (A4) Auto 16 24
1981 Chevrolet Impala/Caprice Wagon 8 cylinder 5.0 liter 6 (A4) Auto 14 22
1981 Chevrolet Impala/Caprice Wagon 8 cylinder 5.7 liter 9 (A3) Auto 21 33
1981 Chevrolet Impala/Caprice Wagon 8 cylinder 4.4 liter 6 (A3) Auto 16 23
1980 Chevrolet Impala/Caprice 8 cylinder 4.4 liter 6 (A3) Auto 17 25
1980 Chevrolet Impala/Caprice 8 cylinder 5.0 liter 6 (A3) Auto 17 25
1980 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 6 (A3) Auto 14 17
1980 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 6 (A3) Auto 14 17
1980 Chevrolet Impala/Caprice 6 cylinder 3.8 liter 6 (A3) Auto 18 26
1980 Chevrolet Impala/Caprice 8 cylinder 5.0 liter 7 (A3) Auto 14 19
1980 Chevrolet Impala/Caprice 6 cylinder 3.8 liter 7 (A3) Auto 19 27
1980 Chevrolet Impala/Caprice Wagon 8 cylinder 5.0 liter 7 (A3) Auto 14 20
1980 Chevrolet Impala/Caprice Wagon 8 cylinder 5.0 liter 6 (A3) Auto 15 21
1980 Chevrolet Impala/Caprice Wagon 8 cylinder 5.7 liter 9 (A3) Auto 21 31
1980 Chevrolet Impala/Caprice Wagon 8 cylinder 5.7 liter 9 (A3) Auto 21 31
1980 Chevrolet Impala/Caprice Wagon 8 cylinder 4.4 liter 6 (A3) Auto 16 23
1979 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 7 (A3) Auto 13 17
1979 Chevrolet Impala/Caprice 8 cylinder 5.0 liter 7 (A3) Auto 13 19
1979 Chevrolet Impala/Caprice 6 cylinder 4.1 liter 7 (A3) Auto 15 19
1979 Chevrolet Impala/Caprice 8 cylinder 5.0 liter 7 (A3) Auto 16 21
1979 Chevrolet Impala/Caprice 6 cylinder 4.1 liter 7 (A3) Auto 15 22
1979 Chevrolet Impala/Caprice 8 cylinder 5.7 liter 7 (A3) Auto 16 21
1979 Chevrolet Impala/Caprice Wagon 8 cylinder 5.7 liter 7 (A3) Auto 13 16
1979 Chevrolet Impala/Caprice Wagon 8 cylinder 5.7 liter 7 (A3) Auto 14 18
1979 Chevrolet Impala/Caprice Wagon 8 cylinder 5.0 liter 7 (A3) Auto 14 19

Note: the EPA tweaked their testing procedure, starting with the 2008 model year, with the end result being that the 2008 MPG estimates are now lower than previous years. As always, YMMV.

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2 comments ↓

#1 PeteMT on 11.14.07 at 10:48 am

Real world observations:

2006 and 2007 Impalas, 3.5 v-6, rented a year apart for 1400+ mile trips.

Speeds kept at posted limits – 65 & 75 on highway and interstate. Full use of cruise, occasional A/C.

Mountain passes through CO, ID, UT, MT, OR.

Average mpg for 2006 – 30-32.
Average mpg for 2007 – 32-34.

Recently tested 2008 LTZ with 3.9. Computer indicated mpg hovering just under 30.

Note that the final drive ratio (like the old ‘rear end ratio’ for FWD) for the 3.5 car is tall – something like 2.79 or 2.89. The 3.9 car is lower – something like 3.29. The rpm’s were noticeably higher at the same speed than the 3.5 car.

While the 3.9 car felt much stronger, it’s not much more powerful, and the lower gearing could account for the better acceleration and lower mileage. The cylinder deactivation didn’t seem to do much.

I’d like to get a 3.9 car and have the shop change it to the final drive ratio of the 3.5 car. Too bad GM doesn’t offer options like that any more.

#2 aristides pena on 02.15.16 at 2:26 pm

quiero saber porque mi chevy impala 2004 solo me esta dando 12 millas por galon en la ciudad y no esta fallando yo vivo en boston MA

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