The S4 from Audi is such a nice blend of performance, class, and practicality. The B8 with the 3.0T TFSI and Stronic (DSG) transmission is both cruiser and fun car.
We had one of these a few years back and now we have another on our dyno. Check out the car and results.
For tuning and any inquiries: https://www.stratifiedauto.com