By Alex Lauer When I interviewed entrepreneur and adventurer Jeff Willner in December about his plan to drive two old Land Rover Defender 110s from London east to New York City, he bemoaned the cost of his favorite adventure vehicle. “It’s just too valuable now,” he said. “You can’t get your hands on a 110 for under $100,000 in the U.S. or Canada. I think the price of Defenders has gone up 50% since COVID started just because people are putting their money into cars.” Outrageous asking prices for original Defenders — that is, those made before Land Rover redesigned the vehicle — is not a new c…