Bourton length?

I see that in 2021 the Bourton was listed by Auto Sleepers as 6445mm (21' 1"). In 2022 it is now listed as 6485mm (21' 3").

Has it grown by 2" or, perhaps the new (2018) Mercedes Sprinter cab is 2" longer than the original and Auto Sleepers have only just amended the measurements. Does anyone know the answer?

To answer my own question, I measured the length of my Stanton. It is in fact 19' 9" long, not 19' 7 1/2", as quoted by Auto Sleeper. That makes it just over 6m long and therefore, not a sub 6m motorhome!!

I would be interested to hear from owners of pre 2018 Stantons and Bourtons with the actual measured lengths. I still suspect the extra length is explained by the new Sprinter dimensions. I