I get with the R18, but the GT-R is supposed to be a unicorn car that you can only obtain by golding everything on campaign. Granted it's not exactly the best car to gift with that achievement nor is it useful, but there's still some value to it
But maybe instead of gifting, we get a notification that the GT-R Pace Car is now for sale on Brand Central or something. First purchase is free, but you can purchase it again so that you can have multiple liveries in that car as well as being able to put many of them in one scapes shot