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1966 Cadillac Calais Coupe

The Calais Coupe served as Cadillac's entry-level two-door model in 1966, providing Cadillac luxury and performance at a more affordable price. Despite being the base model, it still featured the powerful 429 V8 and premium build quality.
Confidence 95%
G6670852
V8
Engine
Detroit, MI (Clark Avenue Plant)
Plant
Muscle Car Era
Era
No factory image on file
1966 Cadillac Calais Coupe

VIN Breakdown

PositionValueDecoded
Model Code G Calais Coupe
Year Code 6 1966
Serial Number 670852 Unit #670852

Basic Information

MakeCadillac
ModelCalais Coupe
Year1966
ManufacturerGeneral Motors Corporation
EraMuscle Car Era

Available Engine Options

Engine cannot be determined from VIN alone. All 1966 Cadillacs used V8 engines:

Engine V8, 429 CID, 340 HP
Horsepower340 HP
Displacement429 CID
Carburetor4-barrel
Compression10.5:1

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: Calais)

Bodystyle lifespan1965 through 1966
Headroom front38.5
Headroom rear38.4
Height54.5
Legroom front41.0
Legroom rear40.1
Length224.0
Nameplate origin1965
Wheelbase129.5
Width79.9

Source: Historical automotive documentation (1960-1972)