Alright, here goes speedrun and ultraspeedrun (since there are only 3 entries in TA2 atm I figure I might take a shot there as well):
Taking the #81 for my second entry, seems to be available ATM.
1977 Mara Irena Letara RX (Historic #64)
Faithfully preserved from the racing exploits at Lerance Raceway in 1977+:
2020 Mara-AMM Paragon 4.6 PP (Time Attack 2 #81)
Could ultraspeedrun this because of the half-decent trim I had prepared for PAIN and ZERC back in the day:



