The Vauxhall Astra 2.0 CDTi SRi is a compact family car produced by Vauxhall Motors, a subsidiary of General Motors. It was first introduced in 2013 and was equipped with a 2.0-liter diesel engine, producing 150 horsepower. The engine is compliant with the Euro 5 emissions standards and the car has a 5-speed automatic transmission. The SRi trim level adds sporty styling and features to the standard Astra model.