Photo: Buick Park Avenue by Poeloq, CC BY 3.0, via Wikimedia Commons. It shows the model, not always this exact version.
Buick · model year 2005
2005 Buick Park Avenue
Large · Front-Wheel Drive · Gas · EPA class: Large Cars
EPA figures · 2005fueleconomy.gov
20MPG combined
17/26MPG city / highway
$4,100fuel a year
444 g CO₂ per mile 3.8 L 6-cyl supercharged 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
Every figure on record
- Combined MPG
- 20 MPG
- City MPG
- 17 MPG
- Highway MPG
- 26 MPG
- Annual fuel cost
- $4,100
- Tailpipe CO₂
- 444 g per mile
- Model year
- 2005
- Body
- Car
- EPA size class
- Large Cars
- Drive
- Front-Wheel Drive
- Engine
- 3.8 L 6-cyl supercharged
- Transmission
- Automatic 4-spd
- Fuel
- Gasoline
Efficiency
Running cost
The car
Powertrain
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