£350, soon to be scrapped.
https://www.autotrader.co.uk/car-details/202312034512819?sort=most-recent&advertising-location=at_cars&postcode=cb12az&price-to=1000&year-to=2006&fromsra
Doesn't seem that cheap for a non-V8 American that would benefit from a full respray (the asking price will likely prevent it from ending on an oval track though), but what a magnificent piece of 1980s futuristic design!
https://www.marktplaats.nl/v/auto-s/oldtimers/m2050592421-mercury-sable-3-8-v6-gs-apk-09-2024
Basic transport. 3 months of MOT left, £350.
https://www.gumtree.com/p/suzuki/2004-suzuki-alto-1.1-gl-5dr-cheap-car-bargain-62k-£350-hatchback-petrol-manua/1470417765
Not entirely true to the thread title as the Argonaut is a piece of 1950s vaporware that apparently doesn't exist as a real, complete car, but I didn't know they've drawn other bodystyles apart from a limo and a coupe:
https://www.ebay.com/itm/193386780473
Cool, but loadsamoney...
https://www.ebay.co.uk/itm/256320005579?hash=item3baddce5cb:g:q-MAAOSwOsdlZQRv
This poor man is obviously held against his will by the two extraterrestrials with rabbit ears, and if he didn't crack a smile for this picture they would've abducted him in their equally shoddy spacecraft. A cruel fate...