Infiniti M45 2006-2010 Specifications

The 2006-2010 Infiniti M45 is equipped with a 4.5L V8 engine producing 325 hp and 336 lb-ft of torque. This engine is the only option available for the M45 during these model years, offering a balance of power and refinement suitable for a luxury performance sedan.

The M45 comes standard with a 5-speed automatic transmission featuring adaptive shift control, manual shift mode, and downshift rev matching for a smooth and responsive driving experience.

Standard safety features include dual-stage front airbags, side-impact airbags, side curtain airbags, vehicle dynamic control (VDC), traction control, and a tire pressure monitoring system (TPMS). Optional features include adaptive cruise control and a lane departure warning system.

The M45 achieves an EPA-estimated 16 mpg city and 21 mpg highway. This is comparable to other V8-powered luxury sedans of the era, such as the BMW 550i and Lexus GS 460, which offer similar fuel efficiency.

Infiniti recommends oil changes every 3,750 miles or 3 months, whichever comes first. Other maintenance intervals include tire rotation every 7,500 miles, brake fluid replacement every 30,000 miles, and spark plug replacement every 105,000 miles.

Standard features include leather upholstery, a Bose premium audio system, dual-zone automatic climate control, and a power moonroof. Optional features include a navigation system, adaptive cruise control, and a rearview camera.

The M45 offers 114.6 cubic feet of passenger space and 14.3 cubic feet of trunk space. This is competitive with similar vehicles like the BMW 5 Series and Mercedes-Benz E-Class, which offer comparable interior dimensions.

The M45 is not rated for towing and is designed primarily as a luxury sedan. Payload capacity is approximately 950 lbs, including passengers and cargo.