List of GM platforms

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General Motors vehicles are produced upon a number of globally shared automobile platforms. In General Motors parlance, each platform is referred to as an architecture.

Beginning in the 2000s, GM instituted an architecture naming scheme using the English-language names of letters of the greek alphabet, for example, "Alpha." Despite this change in naming convention, many vehicles are still produced on platforms using the older, latin letter-designated naming scheme.

Under the older, latin alphabet letter architecture name scheme, General Motors applied each architecture to vehicle families aimed at similar market niches. For example, the E-body Oldsmobile Toronado personal luxury coupe was redesigned significantly through four generations from 1966 through 1992, but retained the same letter designation throughout that time.

In some cases, the architecture name was retained for a market segment even when the architecture diverged radically. In 1982, the GM A platform was re-designed, switching from rear-wheel drive to front-wheel drive. The former rear-drive architecture continued to be produced, but was re-designated the G architecture. In certain instances, GM has used varied letter designations for similar products. The recent G, H, and K architectures are reported to be closely related, but GM has given different letter designations based upon the model produced upon the architecture.

For the latin alphabet letter platforms, the architecture designation usually corresponds to the 4th letter of the Vehicle Identification Number. GM used these letter designations to identify service manuals, owner manuals, and other publications. In the past, the automotive press would promote visually similar car families based on their platform designation. (For example, the "X Cars".)


In production[edit]

Cars[edit]

Trucks and SUV's[edit]

Current and historical applications[edit]

As mentioned above, GM used platforms to make a hierarchy of models aimed at different market segments. The following table attempts to place each shared platform in context. As General Motors has integrated worldwide operations, platforms are now shared globally.

Front wheel drive[edit]

Vehicle Type Platform Chevrolet Pontiac Oldsmobile Buick Cadillac Saturn Geo GMC Opel Daewoo
Subcompact M-body Sprint
Metro
Firefly - - - - Metro - - -
Subcompact GM4200 Celta
Agile
Montana II
- - - - - - - Corsa
Tigra
Combo
-
Subcompact Daewoo T Aveo G3
Wave
- - - - - - - Kalos
Subcompact
Mini SUV
Mini MPV
Gamma
SCCS
Spark
Aveo/Sonic
Trax
- - Encore - - - - Corsa
Meriva
Combo
Mokka
Adam
-
Compact X-body Citation Phoenix Omega Skylark - - - - - -
Compact J-body Cavalier 2000
J2000
Sunbird
Sunfire
Firenza Skyhawk Cimarron - - - Ascona Espero
Compact N-body
L-body
Beretta
Corsica
Malibu
Grand Am
Tempest
Cutlass Calais
Achieva
Alero
Cutlass
Skylark
Somerset
- - - - - -
Compact P-body Spectrum Asüna Sunfire - - - - Storm
Spectrum
- - -
Compact T-body - LeMans
Asüna SE/GT
Passport Optima
- - - - - - Kadett
Kadett Combo
Astra
Zafira
LeMans
Cielo
Compact S-body Prizm
Nova
Vibe - - - - Prizm - - -
Compact Daewoo J Optra - - Excelle - - - - - Nubira
Lacetti
Compact
Compact MPV
Delta Cobalt
Cruze
Volt
HHR
Orlando
G5
G4
Pursuit
- Verano
Excelle
- Ion - - Astra
Zafira
Ampera
Cascada
Lacetti
Mid-size A-body Celebrity 6000 Cutlass Ciera
Cutlass Cruiser
Century - - - - - -
Mid-size GM2900 - - - - - L-Series - - Vectra
Calibra
-
Mid-size Daewoo V Tosca
Epica
- - - - - - - Leganza
Magnus
Tosca
Mid-size
Full-size
Epsilon Malibu
Malibu Maxx
Impala
G6 - Regal
LaCrosse
BLS
XTS
Aura - - Vectra
Signum
Insignia
Alpheon
Mid-size
Full-size
W-body Lumina
Monte Carlo
Impala
Grand Prix Cutlass Supreme
Intrigue
Regal
Century
LaCrosse
- - - - - -
Full-size H-body
G-body
C-body
K-body
- Bonneville Eighty-Eight
Ninety-Eight
Aurora
LeSabre
Electra
Park Avenue
Riviera
Lucerne
Deville
Seville
DTS
- - - - -
Personal Luxury E-body
V-body
- - Toronado Riviera
Reatta
Eldorado
Allante
- - - - -
Compact Crossover
Mid-size Crossover
Theta Equinox
Captiva
Torrent - - SRX Vue - Terrain Antara Winstorm
Minivan
Mid-size Crossover
U-body Lumina APV
Venture
Uplander
Trans Sport
Montana
Aztek
Silhouette Terraza
Rendezvous
GL8
- Relay - - Sintra -
Full-size Crossover Lambda Traverse - - Enclave - Outlook - Acadia - -

Rear wheel drive[edit]

GM reused some platform names between the front and rear wheel drive families.

Vehicle Type Platform Chevrolet Pontiac Oldsmobile Buick Cadillac Sautn GMC Hummer Opel Holden
Subcompact H-body Vega
Monza
Astre
Sunbird
Starfire Skyhawk - - - - - -
Subcompact T-body Chevette T1000 - - - - - - Kadett Gemini
Compact Y-body
Z-body
Corvair Tempest
LeMans
F-85
Cutlass
Special
Skylark
- - - - - -
Compact X-body
K-body
Nova Ventura
Phoenix
Omega Apollo Seville - - - - -
Compact
Mid-size
Alpha - - - - ATS
CTS
- - - - -
Mid-size A-body
G-body
Malibu
Chevelle
El Camino
Tempest
Grand Prix
LeMans
Bonneville
Cutlass
Cutlass Supreme
Special
Century
Regal
- - Caballero - - -
Mid-size
Full-size
V-body - GTO - - Catera - - - Commodore
Omega
Senator
Monza
Rekord
Commodore
Caprice
Monaro
Mid-size
Mid-size Crossover
Sigma - - - - CTS
STS
SRX
- - - - -
Full-size B-body
C-body
D-body
Impala
Caprice
Bonneville
Catalina
Parisienne
Safari
88
98
Custom Cruiser
LeSabre
Electra
Estate
Roadmaster
DeVille
Fleetwood
Brougham
- - - - -
Full-size
Pony car
Zeta Camaro
Caprice
SS
G8 - Park Avenue - - - - - Commodore
Caprice
Personal Luxury E-body - - - Riviera - - - - - -
Pony car F-body Camaro Firebird - - - - - - - -
Sports car Y-body Corvette - - - XLR - - - - -
Roadster Kappa - Solstice - - - Sky - - GT (Roadster) -
Compact Pickup
Mid-size Pickup
GMT300
GMT355
S10
SSR
Colorado
- - - - - S15
Sonoma
Canyon
- - Colorado
Full-size Pickup
Full-size SUT
GMT800
GMT900
Silverado
Avalanche
- - - Escalade EXT - Sierra H2 SUT - -
Compact SUV Tracker Sunrunner - - - - Tracker - - -
Mid-size SUV GMT300
GMT360
Blazer
TrailBlazer
- Bravada Rainier - - Jimmy
Envoy
H3 - -
Full-size SUV GMT800
GMT900
Tahoe
Suburban
- - - Escalade - Yukon H2 - -
Minivan M-body Astro - - - - - Safari - - -
Full-size Van GMT600 Express - - - - - Savana - - -

Others[edit]

GM also has/had a number of non-shared and international platforms:

Badge-engineered and non-GM products:

External links[edit]