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Oldsmobile Alero

Photo: Oldsmobile Alero by IFCAR, Public domain, via Wikimedia Commons. It shows the model, not always this exact version.

Oldsmobile · model year 2004

2004 Oldsmobile Alero

Compact · Front-Wheel Drive · Gas · EPA class: Compact Cars

EPA figures · 2004fueleconomy.gov
25MPG combined
21/31MPG city / highway
$2,700fuel a year
355 g CO₂ per mile 2.2 L 4-cyl Automatic 4-spd
This car on fueleconomy.gov, read 2 October 2026. Your own figures depend on how and where you drive.

Where it places

The CarCody take

The 2004 Oldsmobile Alero is a compact front-wheel-drive car with a 2.2-liter four-cylinder engine and four-speed automatic transmission. Its EPA rating is 25 MPG combined, with 21 MPG city and 31 MPG highway. The EPA annual fuel-cost estimate is $2,700, and tailpipe CO2 is 355.48 grams per mile.

Good to know

  • 25 MPG combined EPA rating
  • 31 MPG highway EPA rating
  • Front-wheel drive compact car
  • 2.2-liter four-cylinder engine

Watch for

  • 21 MPG city EPA rating
  • $2,700 EPA annual fuel-cost estimate
  • 355.48 grams CO2 per mile
  • Four-speed automatic transmission

Who it suits. Drivers wanting a compact front-wheel-drive gasoline car Mixed driving where 25 MPG fits the budget

The 2004 Oldsmobile Alero makes a straightforward choice for someone seeking a compact car with front-wheel drive, a four-cylinder engine, and an automatic transmission. Its mixed-driving rating is 25 MPG, while the EPA projects $2,700 in annual fuel expense. City-heavy use will align more closely with 21 MPG; highway trips can approach 31 MPG. Consider it when those operating figures and its conventional gasoline setup suit your driving pattern.

What it is

The 2004 Alero is a compact gasoline car from Oldsmobile. It uses front-wheel drive, a 2.2-liter four-cylinder engine, and a four-speed automatic transmission. See more Oldsmobile cars.

The numbers

Its defining EPA figure is 25 MPG combined. The split is 21 MPG in city driving and 31 MPG on the highway. Your actual result will depend on how much of your driving matches those conditions.

What it costs to run

The EPA annual fuel-cost figure is $2,700. Tailpipe emissions are rated at 355.48 grams of CO2 per mile.

How it compares

Use the 25 MPG combined rating as the main side-by-side number when comparing this Alero with other compact cars. Its 21 city and 31 highway figures show how the result changes with driving type.

Who it suits

This Alero fits a buyer who wants a compact gasoline car with front-wheel drive and mostly needs a clear city, highway, or mixed-driving fuel reference.

Trade-offs

The 31 MPG highway rating is higher than its 21 MPG city rating, so frequent city driving will use more fuel than highway travel. The four-cylinder engine and automatic transmission define the powertrain, while the EPA estimate puts yearly fuel cost at $2,700.

Verdict

Choose the 2004 Oldsmobile Alero if a compact, front-drive gasoline car matches your needs and its EPA fuel figures fit your budget. Plan around 25 MPG for mixed use, with lower results in town and higher results on open roads. The yearly fuel estimate is substantial, so this car makes the most sense when its size and conventional drivetrain matter more to you than minimizing fuel spending.

Every figure on record

Efficiency
Combined MPG
25 MPG
City MPG
21 MPG
Highway MPG
31 MPG
Running cost
Annual fuel cost
$2,700
Tailpipe CO₂
355 g per mile
The car
Model year
2004
Body
Car
EPA size class
Compact Cars
Drive
Front-Wheel Drive
Powertrain
Engine
2.2 L 4-cyl
Transmission
Automatic 4-spd
Fuel
Gasoline

Questions

What is the 2004 Oldsmobile Alero's combined MPG?

The EPA combined rating is 25 MPG.

What are the city and highway MPG figures?

It is rated at 21 MPG in the city and 31 MPG on the highway.

How much does the Alero cost to fuel for a year?

The EPA annual fuel-cost estimate is $2,700.

What engine and transmission does it use?

The car has a 2.2-liter four-cylinder engine with a four-speed automatic transmission.

Is the 2004 Alero front-wheel drive?

Yes. Its drive layout is front-wheel drive.

How much tailpipe CO2 does it produce?

The EPA tailpipe rating is 355.48 grams of CO2 per mile.

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