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2004 Chevrolet Impala SS Supercharged
Shown: 2004 Chevrolet Impala SS Supercharged. Photo: MercurySable99, CC BY-SA 4.0, via Wikimedia Commons
  • Newest year: 2005
  • Gas
  • Large cars

2000-2005 Chevrolet Impala MPG & Fuel Cost

6 model years · 20–22 MPG combined

22 MPG
Combined
19 MPG
City
29 MPG
Highway
Annual fuel cost · Impala 3.4L 6-cyl FWD
$2,970

15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)

Cheaper to fuel than 10 of 10 large car configurations, MY2005. Ranked against all rated configurations, not sales-weighted.

2000-2005 Chevrolet Impala at a glance

The 2000-2005 Chevrolet Impala covers 6 model years in the EPA database (20 configurations in all), rated 20–22 MPG combined. The newest model year, 2005, costs about $2,970 a year to fuel for its most efficient version, the Impala 3.4L 6-cyl FWD (22 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2001, 2002, 2003, 2004 and 2005. The best combined rating in the generation, 22 MPG, was reached in 2001, 2002, 2003, 2004 and 2005.

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

2000-2005 Chevrolet Impala by model year

2000-2005 Chevrolet Impala: EPA combined rating and yearly fuel cost for each model year
Model yearPowertrainsCombined$/yrEPA ratings
2005 Gas 20–22 MPG $2,970–$4,020 Ratings changed
2004 Gas 20–22 MPG $2,970–$4,020 Ratings changed
2003 Gas 20–22 MPG $2,970–$3,270 Ratings changed
2002 Gas 20–22 MPG $2,970–$3,270 Ratings changed
2001 Gas 20–22 MPG $2,970–$3,270 Ratings changed
2000 Gas 21 MPG $3,110 First year

What the 2005 Impala 3.4L 6-cyl FWD costs to drive

Per month

$248

$2,970 a year ÷ 12

Per 25 miles

$4.95

Per 100 miles

$19.80

Five years

$14,850

5 × the yearly cost, prices held at today's level

vs the large car median

$1,110less a year

Class median $4,080 a year, MY2005

Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).

2005 Chevrolet Impala MPG

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

Versus 2004: The most efficient configuration stays at 22 MPG. Its annual cost stays at $2,970.

Gas · 3.4L, 3.8L
Combined
20–22 MPG
Per year
$2,970–$4,020

Gas configurations (4)

2005 Chevrolet Impala gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Impala 3.4L 6-cyl (Most efficient) 3.4L 6-cyl FWD 19 29 22 $2,970
Impala 3.8L 6-cyl 3.8L 6-cyl FWD 18 27 21 $3,110
Police 3.8L 6-cyl FWD 17 27 21 $3,110
Impala 3.8L 6-cyl supercharged 3.8L 6-cyl supercharged FWD 17 26 20 $4,020

1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2004 Chevrolet Impala MPG

20–22 MPG · $2,970–$4,020/yr

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

Versus 2003: The most efficient configuration stays at 22 MPG. Its annual cost stays at $2,970.

Gas · 3.4L, 3.8L
Combined
20–22 MPG
Per year
$2,970–$4,020

Gas configurations (4)

2004 Chevrolet Impala gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Impala 3.4L 6-cyl (Most efficient) 3.4L 6-cyl FWD 19 29 22 $2,970
Impala 3.8L 6-cyl 3.8L 6-cyl FWD 18 28 21 $3,110
Police 3.8L 6-cyl FWD 17 26 20 $3,270
Impala 3.8L 6-cyl supercharged 3.8L 6-cyl supercharged FWD 16 26 20 $4,020

1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2003 Chevrolet Impala MPG

20–22 MPG · $2,970–$3,270/yr

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

Versus 2002: The most efficient configuration stays at 22 MPG. Its annual cost stays at $2,970.

Gas · 3.4L, 3.8L
Combined
20–22 MPG
Per year
$2,970–$3,270

Gas configurations (3)

2003 Chevrolet Impala gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Impala 3.4L 6-cyl (Most efficient) 3.4L 6-cyl FWD 19 29 22 $2,970
Impala 3.8L 6-cyl 3.8L 6-cyl FWD 17 27 20 $3,270
Police 3.8L 6-cyl FWD 17 26 20 $3,270

2002 Chevrolet Impala MPG

20–22 MPG · $2,970–$3,270/yr

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

Versus 2001: The most efficient configuration stays at 22 MPG. Its annual cost stays at $2,970.

Gas · 3.4L, 3.8L
Combined
20–22 MPG
Per year
$2,970–$3,270

Gas configurations (3)

2002 Chevrolet Impala gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Impala 3.4L 6-cyl (Most efficient) 3.4L 6-cyl FWD 19 29 22 $2,970
Impala 3.8L 6-cyl FWD Automatic 4-spd 3.8L 6-cyl FWD 16 26 20 $3,270
Impala 3.8L 6-cyl FWD Automatic 4-spd 3.8L 6-cyl FWD 17 27 20 $3,270

2001 Chevrolet Impala MPG

20–22 MPG · $2,970–$3,270/yr

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

Versus 2000: The most efficient configuration moves from 21 to 22 MPG, up 1. Its annual cost goes from $3,110 to $2,970, $140 less.

Gas · 3.4L, 3.8L
Combined
20–22 MPG
Per year
$2,970–$3,270

Gas configurations (3)

2001 Chevrolet Impala gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Impala 3.4L 6-cyl (Most efficient) 3.4L 6-cyl FWD 19 29 22 $2,970
Impala 3.8L 6-cyl 3.8L 6-cyl FWD 17 28 21 $3,110
Police 3.8L 6-cyl FWD 16 27 20 $3,270

2000 Chevrolet Impala MPG

21 MPG · $3,110/yr

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

Gas · 3.4L, 3.8L
Combined
21 MPG
Per year
$3,110

Gas configurations (3)

2000 Chevrolet Impala gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Impala 3.4L 6-cyl (Most efficient) 3.4L 6-cyl FWD 17 29 21 $3,110
Impala 3.8L 6-cyl supercharged 3.8L 6-cyl supercharged FWD 17 27 21 $3,110
Impala 3.8L 6-cyl 3.8L 6-cyl FWD 17 27 21 $3,110

Fuel cost by state

Yearly cost of the Impala 3.4L 6-cyl FWD: $4,040 in California and $2,590 in Texas, a $1,450 difference.

Gasoline prices: California: California state average; Washington: Washington state average; New York: New York state average; Florida: Florida state average; Texas: Texas state average (Sep 2026).
Fuel cost in every state

Similar cars

Closest combined MPG among MY2005 large car models.

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · Prices: EIA regular gasoline, U.S. average, Sep 2026 ($4.36/gal) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Generations

Frequently asked questions

What gas mileage does the 2000-2005 Chevrolet Impala get?

EPA rates the 2000-2005 Chevrolet Impala at 20–22 MPG combined across 20 configurations and 6 model years. The most efficient version, the 2005 Impala 3.4L 6-cyl FWD, is rated 22 MPG (19 city, 29 highway).

Which years had the best MPG in the 2000-2005 Chevrolet Impala?

The Impala 3.4L 6-cyl FWD reached the generation's best combined rating, 22 MPG, in 2001, 2002, 2003, 2004 and 2005. The lowest top rating, 21 MPG, was in 2000.

Did EPA ratings change during the 2000-2005 Chevrolet Impala?

Yes. Ratings changed in 2001, 2002, 2003, 2004 and 2005.

How much does it cost to fuel a 2005 Chevrolet Impala per year?

Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the Impala 3.4L 6-cyl FWD costs about $2,970 a year. Across all 4 configurations the cost runs $2,970–$4,020 a year. That is a $1,050 difference between the cheapest and the costliest configuration.

How much does it cost to drive a 2005 Chevrolet Impala 100 miles?

About $19.80 per 100 miles for the Impala 3.4L 6-cyl FWD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $19.80 and $26.80 across all configurations. That is the annual cost over 15,000 miles divided by 150.

Is the 2005 Chevrolet Impala more efficient in the city or on the highway?

The Impala 3.4L 6-cyl FWD is rated 19 city and 29 highway MPG, so it is more efficient on the highway, by 10 MPG.

How does the 2005 Chevrolet Impala compare with other large car configurations?

The Impala 3.4L 6-cyl FWD costs about $2,970 a year to fuel, $1,110 less than the class median of $4,080, and less than 10 of 10 large car configurations. The comparison covers all 56 rated large car configurations for MY2005, not weighted by sales.

Is the 2005 Chevrolet Impala different from the 2004 model?

The most efficient configuration stays at 22 MPG. Its annual cost stays at $2,970. EPA lists 4 configurations for 2005 against 4 configurations for 2004. See the 2004 Chevrolet Impala for that year.