That's kinda low. I would hope to average between 18 and 20 mixed. I assume this is an auto sedan. Also, gas mileage tends to improve once the car is fully broken in.
2003 G35 Coupe (on order)
6-speed
Diamond Graphite / Graphite
2003 G35 Coupe (on order)
6-speed
Diamond Graphite / Graphite