2006 INFINITI M45 Reviews, Pricing & Specs

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$47,800 to $50,600

Original MSRP

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expert review

4.6

avg user rating

(14 reviews)
2006 INFINITI M45 Preview summaryImage

Representing a significant reworking of the previously unremarkable M45, the 2006 Infiniti M45 offers s significant improvement in handling, performance, and high-quality luxury comfort. Sharing the FM platform with the G35, but built on a longer wheelbase for more interior room, the 2006 M45 enters showrooms as the most technologically sophisticated Infiniti on the market.

The rear-wheel drive sports luxury sedan comes in Base and Sport trims -- the latter adds a sport-tuned suspension, bolstered sport seats with special stitching, larger 19-inch alloy wheels, alloy trim, and Rear Active Steer, which adjusts rear wheel angle to smooth out cornering. Both trims are powered by a class-leading 4.5-liter V8 that takes no prisoners with its 335-hp and 336 ft-lbs of torque. The easy acceleration is complemented by a 5-speed short-throw shiftable automatic that makes highway driving both fun and effortless. The sedan seats four, with power front seats and the option to add reclining rear seats. The trunk, however, is relatively small for a mid-sized sedan, coming in at 15 cubic feet.

Base models are fully outfitted with an array of power features, a 6-CD changer, sunroof, and push-button ignition located on the dash or operated via the remote key fob. A dash-mounted interface uses a centralized button to control audio and climate. A strong safety profile includes traction and stability control, 4-wheel ABS brakes, dual front-side airbags and side curtain airbags, and 18-inch alloy wheels. Many of the technological innovations are available as options. Adaptive cruise control regulates the distance between the M45 and the traffic ahead. A lane departure warning system sends out chimes if the car starts to drift without a turn signal. Adaptive headlights and a rearview camera are some of the options available in various packages (Technology, Journey, Premium).

On the outside, the 2006 Infiniti M45 looks very much like the Q35, but a raised trunk line lends a more wedge-like shape to the sedan. Interior materials, including the leather seats and real wood trim, have been upgraded for a softer, subtler elegance. The move seems to have worked. Owners of the 2006 M45 rave about the ergonomics, interior comfort, roominess and features such as the voice-activated navigation system. The sedan offers a generally quiet ride, though some drivers report noise in trims equipped with 19-inch wheels. What makes the M45 even more attractive is that it offers all the performance and standard features of similar sport sedans (BMW, Mercedes Benz), but at a lower price. The low 18/25 fuel economy, lack of a 6-speed automatic, and non-distinctive styling top the list of drawbacks.

CarGurus Editorial Team
Published Aug 8, 2022 by CarGurus Editorial Team
While we highlight specific author bylines where possible, sometimes our content results from the combined efforts of several members of the CarGurus editorial team. As with all our editorial content, you can expect high levels of automotive insight and expertise delivered in a style that is approachable and free from jargon.

User reviews for 2006 INFINITI M45

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User rating:
by Dennis P
Nov 03, 2022
look this year and model was an older model 2006 / 2007 was an outstanding car M45 Infiniti V8 Eng 4.5 L, my wife loves her car. So, I had to find her another and I did ever thing went well. ThanksNov 03, 2022
by Jesus V
Aug 30, 2021
Depending on mileage & condition will determine the value . Any Infiniti M45 can be compared to the BMW 5 Series , Mercedes Benz E- Class , Toyota Avalon & many more ! This car has more features then most cars today . For example , premium sound , leather seats , cooled & heated seating , navigation etc ! Aug 30, 2021
by Von M
May 09, 2021
This is a Great car great feel great speed !!!!May 09, 2021

2006 INFINITI M45 Pricing

Original MSRP
$47,800 to $50,600
Price range
N/A
Average price on CG
N/A
YoY price change
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Trims & specs

Air Conditioning

Automatic climate control front air conditioning · Dual front air conditioning zones

Airbags

Dual front airbags · Passenger airbag deactivation: occupant sensing deactivation · Front side airbags · Rear side curtain airbags

Audio System

6 disc in-dash CD · MP3 player: CD MP3 Playback · AM/FM radio · Rear audio: rear volume control

Brakes

ABS: 4-wheel · Front brakes: ventilated disc · Rear brakes: ventilated disc

Comfort Features

Armrests: rear center with pass-thru · Center console trim: wood · Dash trim: wood · Door trim: wood · Floor Mat Material: carpet · Floor Mats: front · Shift knob trim: leather · Steering wheel trim: leather

Convenience Features

Center console: front console with storage · Cruise control: adaptive · Dimming rearview mirror: auto-dimming · Easy entry: power driver seat · Memorized settings: driver seat · Multi-function remote: proximity entry system · Reading lights: front · Steering wheel: tilt and telescopic · Steering wheel mounted controls: audio · Storage: cargo net · Sunshade: power rear window

Driver Seat

Adjustable lumbar support: power · Power adjustments: 10

Exterior Features

Grille color: chrome

Headrests

Front headrests: adjustable · Number of front headrests: 2

In Car Entertainment

Video system: DVD player

Instrumentation

Warnings and reminders: low fuel level

Lights

Headlights: Auto on/off

Mirrors

Exterior mirrors: integrated turn signals

Passenger Seat

Adjustable lumbar support: power · Power adjustments: 10

Rear Seats

Type: bench

Roof

Moonroof: power glass

Safety

Active head restraints: driver · Camera system: rearview

Seatbelts

Rear center seatbelt: 3-point

Seats

Driver seat power adjustments: reclining · Front seat type: sport bucket · Passenger seat power adjustments: reclining · Rear headrests: adjustable · Rear seat manual adjustments: reclining · Upholstery: leather

Spare Tire

Mount Location: inside · Size: full-size

Suspension

Front Suspension Classification: independent · Front Suspension Type: double wishbones · Rear Suspension Classification: independent · Rear Suspension Type: multi-link · Stabilizer bar(s): front

Telematics

Phone wireless data link: Bluetooth

Tires

Type: all season

Tires and Rims

Wheels: chrome

Windows

Front wipers: intermittent · Power windows: remote operation

Air Conditioning

Automatic climate control front air conditioning · Dual front air conditioning zones

Airbags

Dual front airbags · Passenger airbag deactivation: occupant sensing deactivation · Front side airbags · Rear side curtain airbags

Audio System

6 disc in-dash CD · MP3 player: CD MP3 Playback · AM/FM radio

Brakes

ABS: 4-wheel · Front brakes: ventilated disc · Rear brakes: ventilated disc

Comfort Features

Armrests: rear center with pass-thru · Center console trim: alloy · Dash trim: alloy · Door trim: alloy · Floor Mat Material: carpet · Floor Mats: front · Shift knob trim: wood · Steering wheel trim: leather

Convenience Features

Center console: front console with storage · Cruise control: adaptive · Dimming rearview mirror: auto-dimming · Easy entry: power driver seat · Memorized settings: driver seat · Multi-function remote: trunk release · Reading lights: front · Steering wheel: tilt and telescopic · Steering wheel mounted controls: audio · Storage: cargo net

Driver Seat

Adjustable lumbar support: power · Power adjustments: 10

Exterior Features

Grille color: chrome

Headrests

Front headrests: adjustable · Number of front headrests: 2

In Car Entertainment

Video system: DVD player

Instrumentation

Warnings and reminders: low fuel level

Lights

Headlights: cornering

Mirrors

Exterior mirrors: power

Passenger Seat

Adjustable lumbar support: power · Power adjustments: 10

Rear Seats

Type: bench

Roof

Moonroof: remote operation

Safety

Active head restraints: driver · Camera system: rearview

Seatbelts

Rear center seatbelt: 3-point

Seats

Driver seat power adjustments: height · Front seat type: sport bucket · Passenger seat power adjustments: height · Rear headrests: adjustable · Upholstery: leather

Spare Tire

Mount Location: inside · Size: full-size

Suspension

Front Suspension Classification: independent · Front Suspension Type: double wishbones · Rear Suspension Classification: independent · Rear Suspension Type: multi-link · Stabilizer bar(s): rear

Telematics

Phone wireless data link: Bluetooth

Tires

Type: performance

Windows

Front wipers: speed sensitive · Power windows: remote operation

See all trims (2)