Given this doesn’t run, Id be careful spending more than $2000 on it. Parts are hard to find and expensive (I owned three at one point). There is a FB page for Champ owners.
“1952-62 not entirely sure of model year, Austin Champ. England’s attempt at making copy of the Willys jeep. 7spds forward + 7 in reverse. 9000 original miles. Right hand drive. 4 cylinder Rolls Royce engine. 24v system, 4 wheel independent suspension. antique fisher plow. one of very, very few here in the U.S. This thing will go like a tank. $4000 or best offer.”
https://nh.craigslist.org/ctd/d/austin-champ-jeep-ultra-rare/6400356889.html