What are the key differences between the Audi A6 45 TFSI and 55 TFSI engines?

I am looking at purchasing an Audi A6 and am torn between the 45 TFSI and 55 TFSI engines. What are the main differences between these two options and which one would you recommend for a daily driver?

The main difference between the Audi A6 45 TFSI and 55 TFSI engines is the power output. The 45 TFSI produces 248 horsepower, while the 55 TFSI produces 335 horsepower. In terms of daily driving, the 45 TFSI may provide sufficient power for most commuters. However, if you enjoy a more spirited driving experience, the 55 TFSI would be the better option.

Another key difference between these two engines is the fuel efficiency. The 45 TFSI has a slightly higher fuel efficiency rating, with an estimated 25 mpg combined, compared to the 55 TFSI's estimated 24 mpg combined. If fuel efficiency is a top priority for you, then the 45 TFSI might be the better choice.