I also noticed today there's an '03 Scion xA. The similar Toyota ist was sold in Japan as an '03, but the Scion brand's first model year was '04. Small thing, I know, and I'm still very happy and impressed with GT5 overall.
I'm sure it was all on purpose, not them 'slacking'. I've always assumed the reason drifters do it, is as a joke on the fact they don't go the direction you'd normally expect to.
Here, though, is another mirrored error, on the Acura NSX. It also has a tachometer & speedometer that are maxed out when parked in photo travel, and what looks like white-painted "ACURA" & "SRS" lettering on the steering wheel (they are normally the same black plastic as the rest of the wheel):