Which is the most efficient engine for the Audi A1?

I am looking to purchase an Audi A1 and I want to know which engine option is the most efficient in terms of fuel consumption and emissions.

The 1.0-liter TFSI engine is the most efficient option for the Audi A1, with an average fuel consumption of 47 MPG and low CO2 emissions. It is perfect for city driving and will save you money in the long run.

If you want a bit more power and performance, the 1.4-liter TFSI engine is a good option. It has an average fuel consumption of 42 MPG and still has low emissions, making it a great balance between efficiency and power.

For the ultimate efficiency, the hybrid engine is the way to go. It offers an all-electric range of 30 miles and has an impressive fuel consumption of 62 MPG. It may have a higher initial cost, but you will save on fuel costs in the long run.