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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 2003

2003 Oldsmobile Alero

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

EPA figures · 2003fueleconomy.gov
21MPG combined
18/27MPG city / highway
$3,200fuel a year
423 g CO₂ per mile 3.4 L 6-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 2003 Oldsmobile Alero is a gasoline compact car with front-wheel drive and a 3.4 L six-cylinder engine. It has a four-speed automatic transmission. Its EPA fuel economy is 18 MPG in city driving and 27 MPG on the highway, for 21 MPG combined. The listed EPA annual fuel cost is $3,200, and tailpipe emissions are 423.19 grams of CO2 per mile. These figures give buyers a concise view of the Alero’s fuel use and emissions alongside its core powertrain details. As a 2003 model, it is identified as the Alero, with Alero as its base model and family. The listed specifications do not include range or additional equipment details.

Good to know

  • Front-wheel drive
  • 27 MPG highway
  • Four-speed automatic transmission

Watch for

  • 18 MPG city
  • $3,200 listed annual fuel cost
  • 423.19 g/mile tailpipe CO2

Who it suits. It may suit buyers considering a gasoline compact car with front-wheel drive and an automatic transmission. Its city, highway and combined MPG figures help frame fuel use.

The Alero combines a 3.4 L six-cylinder engine with front-wheel drive and a four-speed automatic. Its listed fuel economy is 21 MPG combined, with an annual fuel cost of $3,200.

Every figure on record

Efficiency
Combined MPG
21 MPG
City MPG
18 MPG
Highway MPG
27 MPG
Running cost
Annual fuel cost
$3,200
Tailpipe CO₂
423 g per mile
The car
Model year
2003
Body
Car
EPA size class
Compact Cars
Drive
Front-Wheel Drive
Powertrain
Engine
3.4 L 6-cyl
Transmission
Automatic 4-spd
Fuel
Gasoline

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