
The third character refers to the engine that particular chassis was equipped with from the factory. (Yes, the C and F indicate the same chassis as Imprezas) When referring to a chassis alone, you use the first two characters of the model code. (New Age) Impreza models regardless of body or engine typeĮJ20G = 2.0L turbo WRX engine used in early GC8 modelsĮJ20K = 2.0L turbo WRX STi engine used in Version III & IV modelsĮJ205 = 2.0L turbo WRX engine used in all 1999 to current WRX modelsĮJ207 = 2.0L turbo WRX STi engine used in all 1999 to current STi modelsĮJ255 = 2.5L turbo engine used in US Forester XT & Legacy 2.5L turbo models (+ some overseas)ĮJ257 = 2.5L turbo engine used in US Impreza STi models This would also apply to 2004 Impreza STi because 2003 japanese model year is equivalent to 2004)

"GDB A/B/C" = Impreza Sedan STi model 2nd gen. (for GC8 models C = both 1995 & 1996 model years) Impreza WRX w/ 2.0L turbo (includes STi)ĥ = Forester & Legacy 2.0L turbo (we also use this to refer to US 2.5L turbo Forester/Legacy)Ĥth letter determines body revision (generally changes each model year):Įtc. Impreza WRX STi w/ 2.0L turbo high output (we also use this to refer to 2.5L STi)Ĩ = 1st gen.


Chassis codes are as follows (according to Japanese models):Ĭ = Sedan 1st gen.
