Infiniti

The M is offered in M37 and M56 model designations. The M37 features a refined 330-horsepower 3.7-liter V6 engine with increased power and fuel economy. The M56 also offers more power and better fuel economy from an all-new 420-horsepower 5.6-liter V8. Both the M37 and M56 engines feature Infiniti's advanced VVEL (Variable Valve Event & Lift) system and all models are equipped with a standard 7-speed automatic transmission. The M56 engine also utilizes Direct Injection Gasoline (DIG™) technology.