2005 Pontiac Grand Prix

Sedan Premium
Pontiac Grand Prix 2005
21MPG Combined
4 Trims
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Updated February 27, 2026

Get the full picture on the 2005 Pontiac Grand Prix. As a Sedan, it achieves 19–21 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 Pontiac Grand Prix Specifications

SpecValue
Combined MPG19–21 combined MPG depending on trim
City MPG18
Highway MPG27
Body StyleSedan
Fuel TypePremium
DriveFWD
Available Trims4

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
Auto17/26/203.8L 6cylAutomatic 4-spd
Auto18/27/213.8L 6cylAutomatic 4-spd
6 cyl16/24/193.8L 6cylAutomatic (S4)
8 cyl16/25/195.3L 8cylAutomatic (S4)

Annual Fuel Cost

Based on EPA estimates, the 2005 Pontiac Grand Prix costs approximately $2,587 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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