The width of the Camry I described is described by Toyota as being 1795 (mm). Your body looks like its at earliest the new shape which first shipped in 2006. Mine is narrower than the Golf. As you say - your Golf dimension is 1799. And the earlier one is I guess 1786. That is basically the same width as my Camry. But the Camry is physically wider from my in street test.
I have measured them in my street, and my neighbour over the road, has a Golf (and a D4 too). The Camry is a lot wider.
Try it!!! I know it sounds bazaar ... maybe we should both run a measure over them! I have a digital measuring device - I just need to figure out how to put up something vertical against the sides for that to work. Then I could sneak across the road early one morning, and measure the Golf. As long as a Police car doesn't come along, I could do that ... but parking bumper to bumper, the Camry is a lot wider. I got my 23 year old out and asked him which was wider - he said the Camry Dad, and thought I was crazy to be concerned by such a thing. He thinks I'm a nut for being annoyed about it. Do you think your Camry has more internal width space that a Golf? And yes, I have measured the door thickness too - the Golf's are thinner. I test drove one not long ago (I bought my old mum a car with automatic braking, the Golf has that as an option).
And also, how come I could get a D4 up my driveway comfortably, but the 200 didn't fit??? I may even have a photograph - I took photos of the gap from the mirror to the electric posts.
I was annoyed too, because to get electric mirrors on a 200 series, you have to buy the VX model. While on the I think the cheapest Prado, and certainly most of them, the mirrors fold up electrically. The Prado is much narrower, has more compact mirrors too - yet the 200 ones which are big, don't fold up unless you buy the 2nd most expensive model. Incidentally, the LR mirrors fold up - but hardly. IMO they are a locking aid - they show you the car is locked, because they have folded up. But the 200s are even worse - they fold up, but they still stick out a lot. The Lexus NX mirrors fold down quite flat, and the Prado mirrors fold pretty flat for a big mirror too. Although the mirrors on the Disco are much nicer to use. I am not sure why ... they have a great view IMO.
However, I did push the fence post outwards - the gap about 2" wider now. It cost me a couple of K for that. I re-hung the arms for the gates too, as they were at mirror height, and took up some width. I changed the fittings on the electric arms too, so I could remove the fittings entirely, allowing maximum space to avoid the van. But after the first time, I have left the arms on the gates on.
With my van, which is about 7.4 meters long, I reverse park it from the street up to the back of my place, in one hit, except for a stop and walk around half way, to check that I haven't missed something. So I can reverse park a van pretty well. Then again, I can reverse park a 43' Bennetton yacht which wasn't mine, in a 40 knot cross wind, into a tight marina at Constitution Dock in Hobart at the end of the Sydney Hobart. So I can get my mind into what reverse parking is about. With doing that, you have to go pretty fast in order to keep the keel having water flowing over it, and the rudder, so you have sideways grip, or the yacht will suddenly be blown sideways. With the van its much easier, I use the mirrors for reversing up my driveway - not any technology although the van has a camera, which is great to check for the dog. I do get out though and check. Then get in and continue on.
I do use the best technology of all for reverse parking though - low range and an automatic.

