This one flips the usual generational logic. The older SC2 Sport is both cheaper and stronger - 17 Nm at $818 against the SC3 Sport's 15 Nm at $1039 - while sharing the same class-leading Simucube build. On our rubric the SC2 Sport even edges ahead on the overall average. So on torque and value, the older base wins outright.
What the SC3 Sport buys is newness: refined motor electronics and the current Simucube Tuner 3.0 software, the start of the new line rather than the tail of the old one. If you want the latest generation and the newest software spine, it is the one - but you are paying more for less torque to get it. For most buyers the SC2 Sport is the smarter pick, and it remains a superb base with True Drive behind it.