2006 Infiniti M45

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12 reviews
Best Bet
Available Price Range $5,949-$14,813 Trims2 Combined MPG 20 Seats 5

Our Take on the 2006 Infiniti M45

Our Take

A newly redesigned pair of M sedans joins the lineup of Nissan's luxury division for the 2006 model year. Equipped with a V-8 engine, the M45 went on sale in spring 2005 along with its V-6-pow... Read Full Report

What We Don't Like

  • Backseat doesn't fold
  • Sport trim's tires not for winter
  • Navigation lacks touchscreen
  • Many features bound in costly packages

Notable Features

  • Lane-departure warning
  • Rearview camera
  • 5.1-channel DVD Audio
  • Drop-down DVD video system
  • Rear-wheel steering
  • Heated reclining backseat


Our Expert Reviews

Infiniti's M45 Sport is one of those cars that made me rethink the definition of a sports car.With a muscular, 335-horsepower V-8 stuffed under the hood and 19-inch wheels hanging on to the pavement like cat claws, the M45 Sport is easily as quick, and as nimble, as many two-seat sports cars. And you don't have to sacrifice a usable back seat and a nice-sized trunk to enjoy sports-car... Read Full Review

Read All Expert Reviews

Consumer Reviews

5.0 out of 5

Based on 12 reviews

The Best Sports Sedan I've Ever Driven

by BBgun from Westerville, OH on May 14, 2007

This car is way more than a luxurious sedan to take to Sunday brunch or to drive to the office. Its a sports car. The five-spoke 19-inch wheels give the car its beast-like appeal. The racing tires tea... Read Full Review

2 Trims Available

A trim is a style of a vehicle model. Each higher trim has different or upgraded features from the previous trim along with a price increase. Learn more about trims

Trims Explained

When talking about cars, “trims” is a way of differentiating between different versions of the same model. Typically, most start with a no-frills, or “base” trim, and as features are added, or a different engine, drivetrain (gas vs. hybrid, for example) or transmission are included, trim names change and prices go up. It’s important to carefully check the trims of the car you’re interested in to make sure that you’re getting the features you want, or that you’re not overpaying for features you don’t want.


Crash-Test Reports

IIHS Ratings

Based on Infiniti M45 Base

Moderate overlap front

IIHS Ratings

Based on Infiniti M45 Base

G Good
A Acceptable
M Marginal
P Poor

Moderate overlap front

Left Leg/Foot
Overall Front
Right Leg/Foot
Structure/safety cage


Driver Head Protection
Driver Head and Neck
Driver Pelvis/Leg
Driver Torso
Overall Side
Rear Passenger Head Protection
Rear Passenger Head and Neck
Rear Passenger Pelvis/Leg
Rear Passenger Torso
Insurance Institute for Highway Safety (IIHS) is a nonprofit research and communications organization funded by auto insurers. IIHS rates vehicles good, acceptable, marginal or poor based on performance in high-speed front and side crash tests. IIHS also evaluates seat/head restraints for protection against neck injuries in rear impacts.


There are currently 4 recalls for this car.

Safety defects and recalls are relatively common. Stay informed and know what to do ahead of time.

Safety defects and recalls explained

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