2005 Buick Park Avenue

Full-Size Sedan Premium
Buick Park Avenue 2005
21MPG Combined
2 Trims
← 2004 2005
Updated February 27, 2026

Get the full picture on the 2005 Buick Park Avenue. As a Full-Size Sedan, it achieves 20–21 combined MPG depending on trim and has not yet been rated by NHTSA. Below you’ll find detailed specs for every trim, plus recall information and competitor comparisons.

2005 Buick Park Avenue Specifications

SpecValue
Combined MPG20–21 combined MPG depending on trim
City MPG18
Highway MPG27
Body StyleFull-Size Sedan
Fuel TypePremium
DriveFWD
Available Trims2

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
Auto17/26/203.8L 6cylAutomatic 4-spd
Auto18/27/213.8L 6cylAutomatic 4-spd

Annual Fuel Cost

Based on EPA estimates, the 2005 Buick Park Avenue costs approximately $2,500 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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