Any alternatives to caterham budget 5k

[Wattsym12]

Managed to scrape together 5k for a track toy seen caterham 7 and a few Westfields I know budget is a bit low but are there any alternatives any replies much appreciated

[Wattsym12]

Unfortunately 5 is the limit the girlfriends already making me try to justify it cheers for the responses

[Wattsym12]

Doesn't really matter about road legal it's track only will be trailered everywhere