Home Archive 1968 Pontiac Grand Prix

1968 Pontiac Grand Prix Hardtop Coupe

The completely restyled Grand Prix featured long hood/short deck Coke bottle styling and competed with Ford Thunderbird in the personal luxury coupe market.
266578P234601
XZ: V8
Engine
Hardtop Coupe
Body
Pontiac, MI
Plant
Muscle Car Era
Era
No factory image on file
1968 Pontiac Grand Prix

VIN Breakdown

PositionValueDecoded
Series Code 66 Grand Prix
Year Code 8 1968
Plant Code P Pontiac, MI
Serial Number 234601 Unit #234601

Basic Information

MakePontiac
ModelGrand Prix
Year1968
Body StyleHardtop Coupe
ManufacturerGeneral Motors Corporation
EraMuscle Car Era

Available Engine Options

Engine cannot be determined from VIN. Available engines inferred from series code.

XZ XZ: V8, 400 CID (350 HP)
Horsepower350 HP
Displacement400 CID
Carburetor4BC
WG WG: V8, 428 CID (375 HP)
Horsepower375 HP
Displacement428 CID
Carburetor4BC
WJ WJ: V8, 428 CID (390 HP) - High Output
Horsepower390 HP
Displacement428 CID
Carburetor4BC
XH XH: V8, 400 CID (350 HP) - Automatic
Horsepower350 HP
Displacement400 CID
Carburetor4BC
YA YA: V8, 400 CID (265 HP) - Economy, Automatic
Horsepower265 HP
Displacement400 CID
Carburetor2BC
YH YH: V8, 428 CID (375 HP) - Automatic
Horsepower375 HP
Displacement428 CID
Carburetor4BC
YK YK: V8, 428 CID (390 HP) - High Output, Automatic
Horsepower390 HP
Displacement428 CID
Carburetor4BC

About This Decode

This VIN does not encode the engine, so the engine details shown are representative of the model as built and not VIN-confirmed. (Most pre-1972 GM VINs do not carry an engine code.)

Original Specifications

Bodystyle lifespan1967 through 1968
Headroom front37.9
Headroom rear37.2
Height53.0
Legroom front42.3
Legroom rear35.2
Length216.3
Wheelbase121.0
Width79.8

Source: Historical automotive documentation (1960-1972)