Infiniti Renames G37 Sedan The Q40 For 2015

What used to be called the Infiniti G37 Sedan continued to be sold through the last model year, as a 2013 model, while the model that was to be its replacement was introduced as the 2014 Infiniti Q50, and as the former G37 Coupe was renamed the Q60. Now for 2015, the former G37 Sedan returns, continuing on as the Q40. If you're a bit confused by...