2003 Pontiac Grand Prix

Sedan Regular
Pontiac Grand Prix 2003
21MPG Combined
3 Trims
← 2002 2003 2004 →
Updated February 27, 2026

The 2003 Pontiac Grand Prix Sedan provides 19–21 combined MPG depending on trim. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.

2003 Pontiac Grand Prix Specifications

SpecValue
Combined MPG19–21 combined MPG depending on trim
City MPG18
Highway MPG27
Body StyleSedan
Fuel TypeRegular
DriveFWD
Available Trims3

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
Auto18/26/213.1L 6cylAutomatic 4-spd
Auto16/25/193.8L 6cylAutomatic 4-spd
Auto17/27/203.8L 6cylAutomatic 4-spd

Annual Fuel Cost

Based on EPA estimates, the 2003 Pontiac Grand Prix costs approximately $2,450 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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