Home Archive 1968 Buick G.S. 400

1968 Buick G.S. 400 2-Door Hardtop Coupe

The GS 400 was Buick's premier muscle car producing 340 HP standard (up to 345 HP with Stage 1), competing directly with Pontiac GTO and Oldsmobile 442.
446378B116433
V8
Engine
2-Door Hardtop Coupe
Body
Baltimore, MD
Plant
Classic Era
Era
No factory image on file
1968 Buick G.S. 400

VIN Breakdown

PositionValueDecoded
Division Code 4 Buick
Series Code 46 G.S. 400
Body Style Code 37 2-Door Sport Coupe
Year Code 8 1968
Plant Code B Baltimore, MD
Serial Number 116433 Unit #116433

Basic Information

MakeBuick
ModelG.S. 400
Year1968
Body Style2-Door Hardtop Coupe
ManufacturerGeneral Motors Corporation
EraClassic Era

Available Engine Options

Engine cannot be determined from VIN alone. Available engines for 1968 Buick:

Engine 6-cyl, 250 CID, 155 HP, 8.5:1 compression, 2-barrel carb, M/A
Horsepower155 HP
Displacement250 CID
Carburetor2-barrel
Compression8.5:1
Engine 8-cyl, 350 CID, 230 HP, 9.0:1 compression, 2-barrel carb, M/A
Horsepower230 HP
Displacement350 CID
Carburetor2-barrel
Compression9.0:1
Engine 8-cyl, 350 CID, 7.6:1 compression, 2-barrel carb, M/A
HorsepowerNA HP
Displacement350 CID
Carburetor2-barrel
Compression7.6:1
Engine 8-cyl, 350 CID, 280 HP, 10.25:1 compression, 4-barrel carb, M/A
Horsepower280 HP
Displacement350 CID
Carburetor4-barrel
Compression10.25:1
Engine 8-cyl, 400 CID, 340 HP, 10.25:1 compression, 4-barrel carb, M/A
Horsepower340 HP
Displacement400 CID
Carburetor4-barrel
Compression10.25:1
Engine 8-cyl, 430 CID, 360 HP, 10.25:1 compression, 4-barrel carb, auto only
Horsepower360 HP
Displacement430 CID
Carburetor4-barrel
Compression10.25:1
Engine 8-cyl, 430 CID, 8.75:1 compression, 4-barrel carb, auto only
HorsepowerNA HP
Displacement430 CID
Carburetor4-barrel
Compression8.75:1

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 (Matched to: Skylark)

Bodystyle lifespan1964 through 1972
Headroom front37.8
Headroom rear36.4
Height52.8
Legroom front42.8
Legroom rear32.7
Length200.6
Nameplate origin1953
Wheelbase112.0
Width75.6

Source: Historical automotive documentation (1960-1972)