E46 Compact 325i if you can get your hands on one
Other than that, Mk5 Edition 30 are getting affordable here in Germany, they might hit the bottom of their value-curve soon and have better resale value than an ordinary Mk5 GTI.
At 5-10k, Mk6 would be quite a stretch imho.
E9x 330(x)i was already mentioned. Old V70 R would also be something nice!