Back in the 1980s I played a lot of Car Wars and has bought most of the rules back then, but I have no idea where they are now. I had most of the supplements and lots of the ADQ (AutoDuel Quarterly) magazine. I did subscribe to the magazine and it always use to confuse the Royal Mail as Steve Jackson Games sent the magazine from the USA, as is, no envelope, no plastic bag. At least one got damaged I think in the post, but most arrived okay.
I like the fact, that though the rules are out of print Steve Jackson Games have made them into PDFs you can buy.
Skimming through the rules was like a blast from the past, bringing back happy memories of many games of Car Wars from over thirty years ago.
I think though I might splash out on some of the PDFs of ADQ and Uncle Albert’s Catalog.
I also saw that Steve Jackson Games were going to “release” a revised sixth edition of Car Wars, using 1/64th scale models though Kickstarter. However this won’t be available or launched until the end of 2020 (or for international people like me, early 2021).