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Toyota Celica GT-Four
The GT-Four is a turbo-charged, four wheel drive, coupé style sports car produced by Toyota, and is a derivative of the Celica range. Confusingly, it is not known as the GT-Four in all markets. In the US, it goes by the name of All-Trac. In Europe, it is badged 4WD Turbo. Other markets know it by the name GT-Four - We use GT4 as shorthand.
The GT4 hails from the days of rallying when manufacturers were required to produce road going versions of their Rally cars (In actuality the reverse is true. Manufacturers had to produce their rally cars from their road going variants. Either way the end result is the same :-)
Model runs were quite limited, which probably explains why you are reading this part of the FAQ although the GT4 has been in production in various guises since 1987 and has been successfully rallied by Toyota and privateers for many years.
There have been 5 generations of the GF-Four dynasty to date. In chronological order these are
- ST165
- ST185
- ST185 CS/RC Homologation special
- ST205
- ST205WRC homologation special
- ST215
- ST245
ST165
The first 4WD variation of the Celica
The ST165 and the 2WD ST162 which is is based on were manufactured between 1986 and 1989
Sadly now a rare car as rust has claimed many of them over the last 25 years
ST185
The second generation GT-Four was manufactured between between 1989 and 1993
ST185 CS/RC Holologation special
This was a limited production model featuring extensive changes over the regular ST185 model. These special models fulfilled the homologation requirements of rayyying at that time
They featured a number of upgrades over the standard 185 cars and indeed share some parts with the later ST205 models. The most notable difference is in the charge cooling system. Standard ST185s have a top mounted air to air cooler whereas the CS/RC versions have a water to air charge cooler system as found in the 165 and 205 cars. The pictures show the difference in front bumpers to accommodate the radiator for the charge cooler There are a few other variations such as limited slip rear differentials
ST205
ST205 WRC homologation Special
ST215 Caldina GT-Four
ST245 Caldina GT-Four