I had a full size microwave new in box on the back seat of my EVT. I had intended to just get a small cheapo microwave, but for about $15 more I got the full size with some features I prefer. Wasn't bad, had to sit way forward on the seat. At least I had only a few mile to travel.
Then there was a time I had about 15 or so fishing rods up to 8' in my police saddle bag and then they were bungied to my seat against the trunk. Then there was the time with a v8 crankshaft. Then ..............
I'm sure we all could go on