Haven't been here for a while, but our i30 from 2011 is still going strong in 2026.
Nearly at 300k, had DPF cleaned once (not replaced), turbo refurbished (probably wasn't really needed) and had glow plugs replaced (once or twice, don't remember). The biggest issue is rust around around the window on the trunk door. Thought of tuning it, but never actually did it (apart from testing the some kind of tuning box installed by the dealer that didn't work well and prevented the engine from starting on second day).
Have experimented with custom Android-based radio unit (one from Sony, one Chinese), but went back to the original for reliability, radio reception.
Any other oldie?