Isuzu and General Motors Terminology
Manufacturer Names
Isuzu
Japanese car manufacturer acquired and controlled by General Motors. Isuzu
has essentially operated as GM Japan.
General Motors
Multinational car manufacturer that controled Isuzu among others. Rebadged Isuzu
made vehicles as well as vehicles made by other manufacturers. Uses Isuzu designed and
made parts in their vehicles produced in the US and around the world.
Chevrolet
General Motors subsidiary that sold rebadged Japanese made cars prior to the
introduction of the Geo brand name.
Geo
General Motors US market name only subsiderary operated between 1989 and 2000 to
sell rebadged cars made for General Motors by mostly Japanese companies. A marketting
tool used to fool stuborn Americans into buying reliable Japanese made cars.
Asuna
General Motors Canadian name only subsiderary to do the same thing in Canada that Geo
did in the US.
Holden
General Motors subsidiary in Australia. Rebadged Isuzu cars and sold them under
their own name.
Opel
General Motors subsiderary in Germany.
Vauxhall
General Motors subsiderary in England.
Saturn
General Motors subsidiary in the US which picked up Isuzu designs and used Isuzu made
parts in an attempt to shift GM small car sales to a US domestically produced product.
Suffered from reliability problems due to GM mandated parts costs and quality reductions
to meet product price points. Transitioned from selling uniquely made vehicles exclusive
to the brand name, to selling rebadged GM vehicles, and finally rebadged vehicles made by
GM's foreign subsidiaries, before finally closing down and ceasing all operations.
Car Model Names
Aska
Isuzu's FWD sedan in Japan.
Gemini
Model available through both Isuzu and Holden, encompasses T Series and PF (rwd), RB
(fwd), and JT (fwd), in Japan and Australia.
Gemini Coupe
Isuzu's Japanese market Storm, Available in turbo and awd.
Gemini OZ
Isuzu's Japanese market Storm, Available in turbo and awd, easily distinguishable by
its one piece headlamps.
Gemini PA Nero
Isuzu's Japanese market Storm, Available in turbo and awd.
I-Mark JT
R body compact sport sedan similar to Gemini, in NA.
I-Mark PF
T body model similar to Gemini, in NA.
Kadett
Same models as Gemini, but sold as Opel, Opel by Buick, and Opel-Isuzu, in Europe and
NA.
Impulse JI
Isuzu's R body sport coupe, in NA.
Impulse JR
Isuzu's T body sport coupe, in NA.
Piazza
Isuzu's and Holden's T and R body sport coupe, in Japan, Australia, Europe, and
Central America.
Spectrum
Chevrolet GEO R body compact sport sedan, in NA, very similar to I-Mark JT.
Storm
Chevrolet Geo R body sport coupe in NA, Generally refered to as a "stripped"
Impulse JI.
Stylus JS
Isuzu's R body compact sport sedan, in NA.
Sunfire
Asuna R body sport coupe in Canada.
Layout
RWD
FWD
AWD or 4WD
FR
Front engine, Rear wheel drive.
FF
Front engine, Front wheel drive.
Engines
PH10
1.265 liter found in the Hillman Minx. Japanese Market Only.
GH150
1.494 liter found in the Hillman Minx. Japanese Market Only.
DL201
1.991 liter diesel found in the Bellel. Japanese Market Only.
G150
1.471 liter found in the Bellett. Japanese Market Only.
G130
1.325 liter found in the Bellett. Japanese Market Only.
G160
1.579 liter found in the Bellett. Japanese Market Only.
G161
1.584 liter found in the Bellett. Japanese Market Only.
G161SS
1.471 liter SOHC found in the Bellett. Japanese Market Only.
G161W
1.584 liter DOHC found in the 117 Coupe and Bellett GT-R. Japanese Market Only.
G180SS
1.817 liter found in the Bellett. Japanese Market Only.
G161Z
1.584 liter found in the Bellett-Gemini. Japanese Market Only.
G180
1.817 liter SOHC found in I-Mark PF, Gemini PF, T series Gemini, Pickups.
G180W
1.8 liter DOHC found in Gemini PF and 117 Coupe. Japanese Market Only.
G200Z
1.949 liter SOHC found in 1981-1987 1/2 Impulse JR and Piazza Non-turbo.
G200W
1.949 liter DOHC engine in the Japanese market only found in 117 Coupe and 1981-85 Isuzu
Piazza. Japanese Market Only.
4FC1
1.995 liter diesel found in the Aska. Japanese Market Only.
4ZC1
also referred to as the 4ZC1-T, 1.994 SOHC liter Turbo in Impulse JR, Piazza, and Aska.
4ZD1
2.254 liter SOHC found in 1987 1/2-1989 Impulse JR, Piazza, and various SUVs.
4ZE1
2.554 liter SOHC found in various SUVs.
4XC1
1.471 liter SOHC
1st generation found in I-Mark JI and Gemini JT150.
2nd generation found in Gemini JT151.
4XC1-T
1.471 liter SOHC Turbo found in I-Mark Turbo, Spectrum Turbo, and Gemini JT150 Turbo.
4XE1 DOHC; also called 4XE1-W
1.558 liter DOHC
1st generation found in the I-Mark RS JT and Gemini JT190
1.5 generation found in Lotus Elan M100
2nd generation found in Storm GSi, Impulse JI, Stylus XS, and Gemini JT191F.
4XE1 SOHC
1.558 liter DOHC found in the Storm base model and Stylus S. US Market Only.
4EE1
1.7 liter DIESEL found in the Gemini. Japanese Market Only.
4XE1-T; also called 4XE1-WT
1.588 DOHC Turbo
1.5 generation found in Lotus Elan M100.
2nd generation found in Impulse JI Turbo and Gemini JT191S.
4XF1
1.8 Liter DOHC found in 1992-93 R body Storm GSi, Stylus RS, Impulse XS, Asunas Sunfire, and Piazza JT221.
US Model Designation Codes
PF
JR, JRU07
R69 (1RG69)
R body Chevrolet/Geo Spectrum Notchback/Sedan, FWD.
R77 (1RF77)
R body Chevrolet/Geo Spectrum Hatchback/Coupe, FWD.
JT, JTU69
JT, JTU77
RF15 (1RF15/1RF43)
R body Geo Storm Base Wagonback.
RF77 (1RF77)
R body Geo Storm Base Coupe.
RT77 (1RT77)
R body Geo Storm GSi Coupe.
RX (1RX77)
JI, JTU07
R body Isuzu Impulse JI Coupe.
JI, JTU77
R body Isuzu Impulse JI Wagonback.
JS, JTU69
R body Isuzu Stylus JS Sedan.
Japanese Model Designation Codes
PF
JR120, JRD07
JR130, JRD07
JT150
R body Gemini 1985-90, FWD.
JT190
R body Gemini 1985-90, FWD and AWD.
JT640
R body Gemini Diesel 1985-89.
JT151F
R body Gemini and Gemini Coupe 1.5 SOHC 1990-93, FWD.
JT191F
R body Gemini and Gemini Coupe 1.6 DOHC Non-turbo 1990-93, FWD.
JT191S
R body Gemini and Gemini Coupe 1.6 DOHC Turbo 1990-93, AWD.
JT641F
R body Gemini Diesel 1990-93, FWD.
JT641S
R body Gemini Diesel 1990-93, AWD.
JT221
R Body Piazza, FWD and AWD.
PS
PR
JJ
BC
CJ
PA
PA
General Motors Chassis Designations
T Car or T body
Chevette, Lemans, T1000, Impulse JR, Piazza JR, I-Mark PF, Kadette A through C series,
Gemini T series, Gemini PF.
R Car or R body
Spectrum, I-Mark JT, Impulse JI, Piazza JI, Storm, Sunfire, Stylus JS, Gemini RB,
Gemini JT.
J Car or J body
Aska, Camina, Ascona, Cavalier, Calibra.
Click here
to go back to the ISUPAGE Directory.