- Newest year: 2004
- Gas
- Small cars
2000-2004 Oldsmobile Alero MPG & Fuel Cost
5 model years · 21–27 MPG combined
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 9 of 10 small car configurations, MY2004. Ranked against all rated configurations, not sales-weighted.
2000-2004 Oldsmobile Alero at a glance
The 2000-2004 Oldsmobile Alero covers 5 model years in the EPA database (15 configurations in all), rated 21–27 MPG combined. The newest model year, 2004, costs about $2,420 a year to fuel for its most efficient version, the Alero 2.2L 4-cyl FWD (27 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2001, 2002, 2003 and 2004. The best combined rating in the generation, 27 MPG, was reached in 2004.
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
2000-2004 Oldsmobile Alero by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2004 | Gas | 21–27 MPG | $2,420–$3,110 | Ratings changed |
| 2003 | Gas | 21–25 MPG | $2,610–$3,110 | Ratings changed |
| 2002 | Gas | 21–25 MPG | $2,610–$3,110 | Ratings changed |
| 2001 | Gas | 22–23 MPG | $2,840–$2,970 | Ratings changed |
| 2000 | Gas | 21–23 MPG | $2,840–$3,110 | First year |
What the 2004 Alero 2.2L 4-cyl FWD costs to drive
Per month
$202
$2,420 a year ÷ 12
Per 25 miles
$4.03
Per 100 miles
$16.13
Five years
$12,100
5 × the yearly cost, prices held at today's level
vs the small car median
$1,230less a year
Class median $3,650 a year, MY2004
Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).
2004 Oldsmobile Alero MPG
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 moves from 25 to 27 MPG, up 2. Its annual cost goes from $2,610 to $2,420, $190 less.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Alero 2.2L 4-cyl FWD Manual 5-spd (Most efficient) | 2.2L 4-cyl | FWD | 23 | 33 | 27 | $2,420 |
| Alero 2.2L 4-cyl FWD Automatic 4-spd | 2.2L 4-cyl | FWD | 21 | 31 | 25 | $2,610 |
| Alero 3.4L 6-cyl | 3.4L 6-cyl | FWD | 18 | 27 | 21 | $3,110 |
2003 Oldsmobile Alero MPG
21–25 MPG · $2,610–$3,110/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 25 MPG. Its annual cost stays at $2,610.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Alero 2.2L 4-cyl FWD Automatic 4-spd (Most efficient) | 2.2L 4-cyl | FWD | 21 | 30 | 25 | $2,610 |
| Alero 2.2L 4-cyl FWD Manual 5-spd | 2.2L 4-cyl | FWD | 22 | 30 | 25 | $2,610 |
| Alero 3.4L 6-cyl | 3.4L 6-cyl | FWD | 18 | 27 | 21 | $3,110 |
2002 Oldsmobile Alero MPG
21–25 MPG · $2,610–$3,110/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 moves from 23 to 25 MPG, up 2. Its annual cost goes from $2,840 to $2,610, $230 less.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Alero 2.2L 4-cyl FWD Manual 5-spd (Most efficient) | 2.2L 4-cyl | FWD | 22 | 30 | 25 | $2,610 |
| Alero 2.2L 4-cyl FWD Automatic 4-spd | 2.2L 4-cyl | FWD | 21 | 30 | 24 | $2,720 |
| Alero 3.4L 6-cyl | 3.4L 6-cyl | FWD | 18 | 27 | 21 | $3,110 |
2001 Oldsmobile Alero MPG
22–23 MPG · $2,840–$2,970/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 stays at 23 MPG. Its annual cost stays at $2,840.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Alero 2.4L 4-cyl FWD Manual 5-spd (Most efficient) | 2.4L 4-cyl | FWD | 19 | 29 | 23 | $2,840 |
| Alero 2.4L 4-cyl FWD Automatic 4-spd | 2.4L 4-cyl | FWD | 19 | 27 | 22 | $2,970 |
| Alero 3.4L 6-cyl | 3.4L 6-cyl | FWD | 19 | 29 | 22 | $2,970 |
2000 Oldsmobile Alero MPG
21–23 MPG · $2,840–$3,110/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Alero 2.4L 4-cyl FWD Automatic 4-spd (Most efficient) | 2.4L 4-cyl | FWD | 19 | 28 | 23 | $2,840 |
| Alero 2.4L 4-cyl FWD Manual 5-spd | 2.4L 4-cyl | FWD | 19 | 28 | 23 | $2,840 |
| Alero 3.4L 6-cyl | 3.4L 6-cyl | FWD | 17 | 29 | 21 | $3,110 |
Fuel cost by state
Yearly cost of the Alero 2.2L 4-cyl FWD: $3,290 in California and $2,110 in Texas, a $1,180 difference.
- California $3,290
- Washington $3,050
- New York $2,420
- Florida $2,290
- Texas $2,110
Similar cars
Closest combined MPG among MY2004 small car models.
Generations
- 2000-2004 (1999)
Frequently asked questions
What gas mileage does the 2000-2004 Oldsmobile Alero get?
EPA rates the 2000-2004 Oldsmobile Alero at 21–27 MPG combined across 15 configurations and 5 model years. The most efficient version, the 2004 Alero 2.2L 4-cyl FWD, is rated 27 MPG (23 city, 33 highway).
Which years had the best MPG in the 2000-2004 Oldsmobile Alero?
The Alero 2.2L 4-cyl FWD reached the generation's best combined rating, 27 MPG, in 2004. The lowest top rating, 23 MPG, was in 2000 and 2001.
Did EPA ratings change during the 2000-2004 Oldsmobile Alero?
Yes. Ratings changed in 2001, 2002, 2003 and 2004.
How much does it cost to fuel a 2004 Oldsmobile Alero per year?
Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the Alero 2.2L 4-cyl FWD costs about $2,420 a year. Across all 3 configurations the cost runs $2,420–$3,110 a year. That is a $690 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2004 Oldsmobile Alero 100 miles?
About $16.13 per 100 miles for the Alero 2.2L 4-cyl FWD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $16.13 and $20.73 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2004 Oldsmobile Alero more efficient in the city or on the highway?
The Alero 2.2L 4-cyl FWD is rated 23 city and 33 highway MPG, so it is more efficient on the highway, by 10 MPG.
How does the 2004 Oldsmobile Alero compare with other small car configurations?
The Alero 2.2L 4-cyl FWD costs about $2,420 a year to fuel, $1,230 less than the class median of $3,650, and less than 9 of 10 small car configurations. The comparison covers all 356 rated small car configurations for MY2004, not weighted by sales.
Is the 2004 Oldsmobile Alero different from the 2003 model?
The most efficient configuration moves from 25 to 27 MPG, up 2. Its annual cost goes from $2,610 to $2,420, $190 less. EPA lists 3 configurations for 2004 against 3 configurations for 2003. See the 2003 Oldsmobile Alero for that year.