The only trailer hitch option for a 2014 Infiniti Q60 Coupe are class I 1-1/4", the Curt Trailer Hitch Receiver part # C11493. That said, you can use an adapter to get to 2", the Hitch Adapter 1-1/4" to 2" Trailer Hitch Receiver part # HTAD but keep in mind these do reduce capacity by 50%. view full answer...