Need help – Aero SLX 7 (new) v/s older model – which one should I go

https://www.canyon.com/en-us/road-bikes/aero-bikes/aeroad/cf-slx/aeroad-cf-slx-7-di2/3963.html?dwvar_3963_pv_rahmenfarbe=R107_P02&dwvar_3963_pv_rahmengroesse=M

https://www.canyon.com/en-us/road-bikes/aero-bikes/aeroad/cf-slx/aeroad-cf-slx-7-di2/4034.html?dwvar_4034_pv_rahmenfarbe=R107_P01

Comparing these two, I see that the older model is better value for money given it has Ultegra brake rotor and powermeter ? Am I missing something ? Why should I get a new model then if everything else is same and the older model has powermeter in it ?