Well-known Opel tuner, Irmscher, is one of the first to get its hands on the new generation of the Astra GTC revealing details on its customazation program ahead of the car's world premiere at the Frankfurt Motor Show in September.
The upgrade starts with a performance package for the Astra GTC with the 1.6-liter turbocharged gasoline engine. A stage 1 kit lifts output from 180-horses and 230Nm to 212HP and 274 Nm (202 lb-ft).
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