1963 Pontiac Grand Prix Specifications
The 1963 Pontiac Grand Prix was selected for the following table because it was the most popular first-generation Grand Prix. Specifications include Hydra-Matic, power steering, and power brakes -- popular options that most buyers selected.
1963 Pontiac Grand Prix Specifications
| General | |
| Base price | $3,490 f.o.b. factory, federal excise tax, and preparation charges included |
Bore x stroke | 4 1/16 x 3 3/4 inches |
| Displacement | 388.9 cid |
| Compression ratio | 10.25:1 |
| Horsepower | 303 @ 4600 rpm (gross) |
| Torque | 425 @ 2800 rpm (gross) |
| Valve configuration | OHV |
| Valve lifters | Hydraulic |
| Main bearings | Five |
| Lubrication system | Pressure |
| Cooling system | Centrifugal Pump |
| Fuel system | 1-4 bbl carburetor, mechanical pump |
| Electrical system | 12-volt |
| Exhaust system | Dual |
| Transmission | Hydra-Matic 3-speed automatic planetary with torque converter, floor-mounted selector |
| Ratios -- 1st | 2.97:1 |
| 2nd | 1.58:1 |
| 3rd | Direct |
| Reverse | 2.49:1 |
| Maximum ratio at stall (torque converter) | 1.20 |
| Rear axle | Hypoid |
| Ratio | 3.23:1 |
| Drive axles | Semi-floating |
| Steering | Recirculating ball bearing; coaxial power assist |
| Ratios | 17.5:1 gear, 22.5:1 overall |
| Turns of wheel, lock to lock | 4.25 |
| Turning diameter | 42.8 feet |
| Brakes | Ribbed aluminum air-cooled drums with bonded alloy cast-iron braking surfaces; power-assisted |
| Drum diameter | 11 inches |
| Effective area | 173.7 square inches |
| Construction | Body-on-frame |
| Frame | Boxed, perimeter type |
| Body style | Five-passenger hardtop coupe |
| Suspension | |
| Front | Independent, ball joints/coil springs; stabilizer bar |
| Rear | Solid axle, coil springs |
| Shock absorbers | Delco direct-acting 2-way telescopic |
| Wheels | 8-lug steel disc, drop-center rims |
| Tires | 8.00 x 14 tubeless |
| Capacities | |
| Crankcase | 5 quarts (including filter) |
| Cooling system | 19.5 quarts (including heater) |
| Fuel tank | 25 gallons |
| Automatic transmission | 12 pints |
| Rear axle | 5 3/4 pints |
| Measurements and Weight | |
| Wheelbase | 120 inches |
| Overall length | 211.9 inches |
| Overall width | 78.7 inches |
| Overall height | 54.1 inches |
| Front tread | 62.5 inches |
| Rear tread | 64 inches |
| Trunk capacity | 16.4 cubic feet |
| Minimum road clearance | 6 inches |
| Shipping weight | 3,915 pounds |
| Calculated Data | |
| Horsepower per cid | 779 |
| Weight per horsepower | 12.9 pounds |
| Weight per cid | 10.1 pounds |
| Weight per square inch (brakes) | 22.5 pounds |
| Performance | |
| Acceleration -- 0-30 | 3.6 seconds |
| 0-45 | 6.6 seconds |
| 0-60 | 9.9 seconds |
| Standing quarter-mile | 18.1 seconds/80 mph |
| Top speed | 108 mph |
| Stopping distances -- from 30 feet | 30 feet |
| From 60 feet | 156 feet |
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