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
21MPG combined
18/27MPG city / highway
$3,200fuel a year
423 g CO₂ per mile 3.8 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
Every figure on record
- Combined MPG
- 21 MPG
- City MPG
- 18 MPG
- Highway MPG
- 27 MPG
- Annual fuel cost
- $3,200
- Tailpipe CO₂
- 423 g per mile
- Model year
- 2005
- Body
- Car
- EPA size class
- Large Cars
- Drive
- Front-Wheel Drive
- Engine
- 3.8 L 6-cyl
- Transmission
- Automatic 4-spd
- Fuel
- Gasoline
Efficiency
Running cost
The car
Powertrain
More Buick model years
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19 MPG · $3,550 fuel a year
2005 Buick Century
21 MPG · $3,200 fuel a year
2005 Buick Lacrosse/Allure
20 MPG · $3,350 fuel a year 2005 Buick Lacrosse/Allure
21 MPG · $3,200 fuel a year
2005 Buick LeSabre
21 MPG · $3,200 fuel a year 2005 Buick Park Avenue
20 MPG · $4,100 fuel a year
2005 Buick Rainier 2WD
16 MPG · $4,200 fuel a year