rsx has the k20 while the tsx has the k24.
what about a 99-03 acura tl (type s)? it will more likely have more miles on it than you want, but it’s also a honda and the motor will last forever.
others worth looking into:
00-04 subaru legacy
01-05 lexus is 300
03-06 lincoln ls
00-04 nissan maxima