1894 in Paris... that looks like a horse carriage in back, that wasn't changed at all, but hooked up to that early motor vehicle
Above photo from http://steampunkvehicles.tumblr.com/
Similar looking vehicle below is the Grand Duke Alexis in his carriage with a Heilmann front end , Paris 1899
Found on http://svammelsurium.blogg.se/2011/february/thruppmaberly.html