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1991 Pontiac

Grand Prix

Auto 4-spd, 6 cyl, 3.1 L

Pontiac Grand Prix: best and worst years

Overview

Body
Midsize CarsEPA, from EPA, last updated 6/22/2026
Drivetrain
Front-Wheel DriveEPA, from EPA, last updated 6/22/2026
Transmission
Automatic 4-spdEPA, from EPA, last updated 6/22/2026
Powertrain
GasEPA, from EPA, last updated 6/22/2026
Fuel
RegularEPA, from EPA, last updated 6/22/2026

Engine & performance

Cyl
6EPA, from EPA, last updated 6/22/2026
Aspiration
Naturally aspiratedEPA, from EPA, last updated 6/22/2026

Efficiency

MPG Hwy
28 mpgEPA, from EPA, last updated 6/22/2026
MPG City
17 mpgEPA, from EPA, last updated 6/22/2026
MPG Comb
20 mpgEPA, from EPA, last updated 6/22/2026
Fuel $/yr
$3,100EPA, from EPA, last updated 6/22/2026
Elec. Range
0 miEPA, from EPA, last updated 6/22/2026

Dimensions & capacity

Pass. Vol
100 ft³EPA, from EPA, last updated 6/22/2026
Cargo Vol
16 ft³EPA, from EPA, last updated 6/22/2026

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.

1991 Pontiac Grand Prix Auto 4-spd, 6 cyl, 3.1 L · Trimslate