This is an English Translation of Mazda Japan's Eunos Roadster History
English Edition by davidb of the UK Site
1983   Start of investigation into Light Weight Sportscar  
  November Project start date  
1986 February Project direction changes to focus on mass production sports car  
1987 April With the help of Mazda in the US, consumer investigations begin  
  September Design is finalised within Mazda  
1989
February
Miata launched at Chicago motor show
 
September
NA6CE (1600cc Roadster) on sale (Normal model, Special Package).
Both have a 1.6 litre engine.
Launch price 170 thousand Yen.

Eunos Roadster
 
1990
March
Automatic added to range
 
July
"V-Special" launched to commemorate first year of production. New body colour is "Neo Green", with tan leather seats, and a wooden Nardi steering wheel and gear knob
 
 
1991
July
Special limited car "J-Limited" launched, in yellow - (800 produced)

J-Limited
August
Black version of the "V special" is launched

V-Special black colour
December
Limited edition "M2 1001" version is launched (300 produced), developed by the M2 division of Mazda

M2 1001
 
1992
July
"S-Special" version launched, with Bilstein dampers, BBS alloy wheels, Nardi leather steering wheel and shift knob, and rear spoiler

S-Special
November
"M2 1002" launched (100 units), with upgraded interior trim

M2 1002
December
"S-Limited" launched, based on the S-Special (1000 produced) - combines a black exterior with red leather interior

S-Limited
 
1993
July
NA8CE (1800cc Roadster) launched, with the following versions: (Normal version, "S-Special" and "V-Special").
Additionally, "V-Special II", with a tan hood and polished alloy wheels was launched.

V-Special II
December
"J-Limited II" launched, in yellow with black windscreen surround (800 produced)

J-Limited II
 
1994
February
Limited edition "M2 1028" by M2 launched (300 produced)

M2 1028
July
Based on the S-Special, the "RS-Limited" is launched, with 15" BBS alloy wheels, Recaro seats, in a special deep blue/green body (500 produced)

RS-Limited
December
The "G-Limited" is launched, with cobalt blue body colour and hood (1500 produced). White versions of the "V-Special" and "S-Special" are also added to the range.

G-Limited
 
1995
February
"R-Limited" is announced, based on the S-Special, with blue body and red hood and interior, plus a lower final drive and 15" alloy wheels (1000 produced)

R-Limited
August
Series II 1800 introduced, with several small changes, including a lightweight flywheel to improve responsiveness (Normal version, "S-Special I", "S-Special II", "V-Special" and "V-Special II")
 
December
"VR-Limited" announced, based on the S-Special. There are two versions - "Combination A" (700 units), in maroon with tan hood, and "Combination B" (800 units) Mica green with green hood

VR-Limited
Combination A

 
1996
December
Cobalt blue "B2-Limited" launched, with chromed alloy wheels and door mirrors (1000 produced). The "R2-Limited" (500 units) is also announced, finished in white with 15" alloy wheels and red leather interior.
The driver's side SRS air bag system is made standard in all cars (previously an optional extra).

B2-Limited

R2-Limited
 
1997
August
The "SR-Limited", in green with part leather bucket seat, is launched. It has a Torsen LSD (700 produced)

SR-Limited
 
1998
January
NB model launched.
       
That appears to be all in the evolution story at this stage, let us know if it changes? There will be some changes made as I get time.