Pontiac Grand Prix specs: 1963-1964

The Pontiac Grand Prix got a sheetmetal and lighting update for 1963. This included getting rid the ‘almost’ fins on the back end. It also gained a hundred pounds in the process and lost a small bit of interior room.

Platform: B-body

Trim Levels: base

Body Styles: sports coupe

Wheelbase: 120.0″

F/R Track Width: 62.5″/64.0″

Overall Length:

211.9″ (1963)

213.0″ (1964)

Overall Width:

78.7″ (1963)

79.2″ (1964)

Overall Height:

54.1″ (1963)

54.7″ (1964)

Turning Circle: 42.8′

Drag Coefficient:

Curb Weight: 3991 lbs.

Available Engines:

389 CID 2bbl V8 (1963-1964 credit option)- 230 hp

389 CID 4bbl V8 (1963-1964 standard)- 303 hp in ’63 / 306 hp in ’64

389 CID 3x2bbl V8 (1963-1964)- 330 hp

421 CID 4bbl V8 (1964 only)- 320 hp

421 CID 4bbl H.O. V8 (1963-1964)- 353 hp

421 CID 3x2bbl V8 (1963-1964)- 370 hp in ’63 / 350 hp in’64,

421 CID 3x2bbl H.O. V8 (1964 only)- 370 hp

Available Transmissions:

3-SPEED MANUAL (1963-1964 base 389 2bbl/4 bbl)

3-SPEED HEAVY DUTY MANUAL (1963-1964 tripower & high output V8s)

4-SPEED BORG-WARNER T10 MANUAL (1963 only)

4-SPEED MUNCIE M20 MANUAL (1964 only)

4-SPEED MUNCIE M21 CLOSE RATIO MANUAL (1964 only)

3-SPEED ROTO-HYDRAMATIC AUTOMATIC (1963-1964 all)

Axle Ratio:

2.56

3.08

3.23

3.42

Fuel Capacity: 25 gallons

Fuel Economy: 8-10 mpg

Head Room F/R:

37.9″/37.6″ (1963)

38.2″/38.0″ (1964)

Leg Room F/R:

40.8″/36.1″ (1963)

41.2″/37.0″ (1964)

Shoulder Room F/R:

Hip Room F/R:

63.4″/55.1″ (1963)

63.6″/55.2″ (1964)

Tires: 8.00×14

Wheels: 14.0″ x 6.0″

Production Total: