Model year guide

2008 Infiniti M45

Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2008 Infiniti M45 is worth — from official NHTSA and EPA data. 2 on record.

2008 Infiniti M45 — representative photo
Representative photo · via Wikimedia Commons

2008 Infiniti M45 at a glance

Safety recalls6
Combined18 mpg

Included: that car's specs and build sheet, model-year recall campaigns and a fair price.

2008 Infiniti M45 recalls 6

Air Bags:frontal:driver Side:inflator Module NHTSA Campaign #22E066000 · 09/08/2022

Nissan North America, Inc. (Nissan) is recalling certain air bag inflator replacement service parts that may have been installed as part of a theft or collision repair. The parts include certain passenger-side air bag inflators designed to fit Infiniti 2002-2003 QX4, 2006-2010 M35 and M45; Nissan 2001-2003 Maxima, 2002-2006 Sentra, and both driver and passenger-side inflators designed to fit 2007-2012 Versa Sedan an…

Fix: Dealers will inspect and replace the inflators as necessary, free of charge. Owner notification letters are expected to be mailed September 14, 2022. Owners may contact Nissan's customer service at 1-800-867-7669.

Air Bags:frontal:passenger Side:inflator Module NHTSA Campaign #20V008000 · 09/01/2020

Nissan North America, Inc. (Nissan) is recalling certain 2001-2003 Maxima, 2002-2006 Sentra, 2002-2004 Pathfinder, 2007-2011 Versa Sedan and Versa Hatchback, 2001-2004 Infiniti I30 and I35, 2002-2003 Inifiniti QX4, 2003-2008 Infiniti FX35 and FX45 and 2006-2010 M35 and M45 vehicles. The vehicles are equipped with non-desiccated, frontal passenger air bag inflators containing phase stabilized ammonium nitrate (PSAN) …

Fix: Nissan will notify owners, and dealers will replace the front passenger air bag inflators with alternate desiccated inflators, free of charge. The recall began February 12, 2020. Owners may contact Nissan customer service at 888-737-9511 or Infiniti customer service at 888-810-3715.

Air Bags:frontal:passenger Side:inflator Module NHTSA Campaign #17V028000 · 10/01/2017

Nissan North America, Inc. (Nissan) is recalling certain 2012 Nissan Versa hatchbacks originally sold, or ever registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan) and the U.S. Virgin Islands, or "Zone A". Additionally, if not included in "Zone A" above, Nissan is recalling certain 2009-20…

Fix: Nissan will notify owners, and dealers will replace the front passenger air bag inflators, free of charge. The recall began on June 8, 2017. Owners will receive a second notice when remedy parts become available. Owners may contact Nissan customer service at 1-800-647-7261.

Air Bags:frontal:passenger Side:inflator Module NHTSA Campaign #16V349000 · 24/05/2016

Nissan North America, Inc. (Nissan) is recalling certain model year 2003-2008 Infiniti FX35 and FX45, 2003-2004 Infiniti I35, 2006-2010 Infiniti M35 and M45, and 2007-2011 Nissan Versa vehicles, originally sold, or ever registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Vir…

Fix: Nissan will notify owners, and dealers will replace the passenger frontal air bag inflator, free of charge. The recall began December 21, 2017. All owners should receive a second notice by May 15, 2017. Owners may contact Nissan customer service at 1-800-647-7261.

Vehicle Speed Control:accelerator Pedal NHTSA Campaign #13V430000 · manufacturer #R1306 · 26/09/2013

Nissan North America, Inc. (Nissan) is recalling certain model year 2006-2010 Infiniti M35 and M45 vehicles manufactured April 4, 2004, through October 5, 2010. Over time, the accelerator pedal sensor signal may deteriorate resulting in the output of an incorrect signal causing the engine to go into fail-safe (limp home) mode.

Fix: Nissan will notify owners, and dealers will replace the accelerator pedal assembly and reprogram the engine control module, free of charge. The recall is expected to begin during November 2013. Owners may contact Nissan at 1-800-647-7261.

Tires:pressure Monitoring And Regulating Systems NHTSA Campaign #09V393000 · 05/10/2009

NISSAN IS RECALLING CERTAIN MODEL YEAR 2008-2010 VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, IOWA, ILLINOIS, INDIANA, MASSACHUSETTS, MAINE, MARYLAND, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WASHINGTON D.C., WEST VIRGINIA AND WISCONSIN. THE MATERIAL IN THE NUT USED TO SECURE THE SENSOR-TRANSMITTER OF…

Fix: THE DEALER WILL REPLACE THE TPMS NUT WITH A NEW, MORE ROBUST NUT. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN ON OR BEFORE NOVEMBER 9, 2009. OWNERS MAY CONTACT NISSAN AT 1-800-647-7261 AND INFINITI AT 1-800-662-6200.

Source: U.S. NHTSA, checked 4 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.

2008 Infiniti M45 MPG & running costs

Combined18 mpg
City16 mpg
Highway21 mpg
Est. annual fuel cost$4,550
EPA size classLarge Cars
TransmissionAutomatic (S5)
Passenger volume105 cu ft
Cargo volume15 cu ft
5-yr fuel cost vs average new car$10,750 more

Source: U.S. EPA / DOE fueleconomy.gov.

Estimated 5-year cost to own

A rough guide to what running a 2008 Infiniti M45 costs over five years and 75,000 miles.

Fuel (5 yrs)$22,750
Fuel only$22,750
Per mile$0.30

How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.

Dimensions & weight

Length
193.3 in
Width
70.9 in
Height
57.9 in
Wheelbase
113.8 in
Curb weight
4,006 lb
Front track
60.2 in
Rear track
60.2 in

Manufacturer-reported figures for the 2008 Infiniti M45. Source: Transport Canada vehicle specifications via NHTSA.

Canadian recalls 4

Transport Canada recall campaigns for the 2008 Infiniti M45. Relevant if the car was first sold in, or imported from, Canada.

Airbag

Issue: This recall is for certain vehicles that had an airbag inflator replaced as a part of an earlier recall campaign. This recall provides a final repair. Long-term exposure to high absolute humidity and temperature, combined with high temperature cycling, may eventually degrade the propellant contained in the passenger-front airbag. This could cause the airbag to deploy wit…

Transport Canada #2020003 · Jan 2020

Airbag

On certain vehicles, long-term exposure to high absolute humidity and temperature, combined with high temperature cycling, could eventually degrade the propellant contained in the passenger frontal airbag. This could cause the airbag to deploy with more force than normal. As a result, if the vehicle were involved in a collision that warrants airbag deployment, fragments could b…

Transport Canada #2017023 · Jan 2017

Engine

On certain vehicles, the accelerator pedal throttle position sensor could fail. A faulty throttle position sensor will return the engine to idle. In certain cases, an abrupt return to idle could result in the engine stalling, causing a loss of motive power which, in conjunction with traffic and road conditions, and the driver's reactions, could increase the risk of a crash caus…

Transport Canada #2013332 · Sep 2013

Other

On certain vehicles, material in the nut used to secure the sensor-transmitter of the Tire Pressure Monitoring System (TPMS) may corrode and crack in areas with heavy concentrations of road salt. If this occurs, the nut may come out of the TPMS sensor-transmitter causing a rapid loss of tire air pressure. This could adversely affect vehicle control and cause a crash resulting i…

Transport Canada #2009283 · Oct 2009

Source: Transport Canada Motor Vehicle Safety Recalls Database.

About the Infiniti M45

The Infiniti M is a line of mid-size luxury (executive) cars from the Infiniti luxury division of Nissan. From 2013 on it has been marketed as the Infiniti Q70, reflecting the company's later naming formula.

From Wikipedia, licensed CC BY-SA 4.0. Describes the model line in general, not this model year specifically.

2008 Infiniti M45 trims & engines on record

Trims
x
Engines
4.5L

2008 Infiniti M45 vehicles on record

Other Infiniti M45 model years

2008 Infiniti M45 — frequently asked questions

Does the 2008 Infiniti M45 have any safety recalls?

NHTSA lists 6 recall campaigns for the 2008 Infiniti M45. Whether an individual car still needs a recall repair depends on its VIN — check it on NHTSA.gov or ask a franchised dealer. Recall repairs are done at no charge.

What gas mileage does the 2008 Infiniti M45 get?

The 2008 Infiniti M45 has a U.S. EPA estimate of 18 mpg combined (16 city / 21 highway).

Sources: NHTSA (recalls, complaints, crash tests), U.S. EPA (fuel economy). Vehicle data only — CarLogs never shows owner information.