I have a B210 1981. It does exist. and it is a wagon. Car makers/sellers can do what ever they want. N.Y.
I had a 1980 Datsun 210. Great little car. Got it in 1991 for something like $400. It had been used as a delivery vehicle from what I can tell (had a Vancouver commercial vehicle permit sticker). Very little rust, but one huge dent and driver's seat was falling apart. Someone broke the tail light the day I got it. They key broke off in the ignition a few weeks later. Used a screwdriver to start it for a while, then went to the Nissan dealer who actually had an original brand new ignition switch in stock!
Basically just drove this car for a year, doing nothing to it, but put in gas. Unfortunately I neglected routine maintenance and it got harder and harder to start. Eventually I just sold it for $100 when it wouldn't start at all. But, I saw it on the road a month later! (I put a sticker on the back bumper that said "YOU WISH"). So if you see a brown 4 door Datsun 210 like this, please let me know! I would not be surprised if that car is still on the road. Wish I had taken better care of it and still had it.
If you have one, don't ever sell it.
I'm driving an 81 B210 wagon. I've had it since 1984. 294 thousand on the transmission and rear end. About 8 years on a second engine. This was my commute car prior to retirement. Had a problem with the accelerator being sucked to the floorboard at a cold start-up or just after moving down the road after a cold start-up. I'd have to pull over and shut off the engine for about a minute or so and then restart it. I put up with this for several years when I recently got really tired of it. You can imagine how disconcerting this can be in traffic or when driving down a curvy hill. Furthermore, I couldn't, in good conscience, sell the car to someone, even if I wanted to, with this condition. Very long story short, there is a top switch, not the back-up light switch, on top of the transmission that apparently connects to a solenoid at the carburetor. I disconnected the wires to the switch about 6 months ago and no more problems, even tho the mornings are getting chilly and the temps are well below 65, when the problem always occurred. NOBODY that I ever contacted could figure out this problem. So far, so good. I wonder if this will affect my next smog test, however, we'll cross that bridge when we get to it.