The advert says "....the auction is being re-run due to the previous winning bidder not having checked the width of his garage, the Plus 8 would not fit. It is approximately 175cm wide, please check before bidding!" so at the risk of being a pedant that's the car width rather than the garage.
Mind you although my Morgan Roadster fits OK, I had a similar problem with my garage some years back when I bought an Audit TT Roadster. The pillars/plinths intrude into the garage space, and with its long doors there was no way I could get out of the car once I'd driven it in. So I had to push it into place, and I sold it on (fortunately not at a loss).
https://www.tm-img.com/images/2021/08/05/Audi-TT-showing-width-issues.md.jpg