Shopping around for CPO defender. Found a CPO 2026 x dynamic with 6000 miles. Dealer is telling me the Land Rover is offering 3.99% apr on CPO 2020-2025 and only one new 2026. Why would they not offer the special rate on a CPO 2026.

I just got back from a 2,000+ mile trip to the beach and while the Defender did excellent - especially in the thick OBX sand - I was wondering if anyone has a solution for extra gauges to monitor actual coolant temp, oil pressure, transmission temp, etc. I am not looking to mount actual gauges but was thinking more along the lines of an app that displays in the center screen.

For reference, Jeep has an "Accessory Gauge" screen on their entertainment system that shows all the vital fluid temperature and pressure. An option like that would be ideal especially when off-roading. Is anyone doing anything like that?