Spy photographers from Motor1.com have recently caught on shots the all-new 2016 Opel Astra GSI, the model finalizing its tests before the official debut at the 2016 Geneva Motor Show. As already rumored, the 2016 Opel Astra GSI would come with a new 2.0-liter turbocharged four-cylinder unit, with a good 250 horsepower, which would set