* A3 1.8T: This model has a 1.8-liter turbocharged four-cylinder engine that produces 170 horsepower and 199 lb-ft of torque.
* A3 2.0T: This model has a 2.0-liter turbocharged four-cylinder engine that produces 220 horsepower and 258 lb-ft of torque.
* A3 TDI: This model has a 2.0-liter turbocharged four-cylinder diesel engine that produces 150 horsepower and 236 lb-ft of torque.
Please note that the specific engine options and specifications can vary slightly depending on the trim level and market. For the most accurate information, you should refer to the official Audi website or a reputable automotive resource.