2007 Infiniti M45

  • 2007 Infiniti M45 Base Sedan

    Base Sedan

    • MAX MPG
    • SEATS
    • ENGINE
      4.5L V8
    • MSRP
  • 2007 Infiniti M45 Sport Sedan

    Sport Sedan

    • MAX MPG
    • SEATS
    • ENGINE
      4.5L V8
    • MSRP
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2007 Infiniti M45 Review

A luxury vehicle with an emphasis on performance and handling.

Reviewed by Automotive on


The 2007 Infiniti M45 is a luxury sedan that offers the performance and handling that drivers desire. Equipped with a 4.5-liter, 325-hp, V-8 engine and a five-speed shiftable automatic transmission, the rear-drive sedan’s primary focus is on the car’s performance capabilities. The M45 is available in two trim levels: the Base model and a Sport model.

The Range

Body Styles: sedan
Engines: 4.5-liter 325-hp V-8
Transmissions: five-speed shiftable automatic
Models: Infiniti M45, Infiniti M45 Sport

What's New

A DVD player with 5.1 channel audio is now available, as well as a HomeLink universal remote transmitter, and a 10-way power adjustable passenger seat.


The 2007 M45 sedan is built on Infiniti’s FM platform. The sedan offers wide front and rear tracks, standard 18-inch alloy wheels with 19-inch alloy wheels on the Sport, and a power glass sunroof. The Infiniti M45’s length is 192.6 inches, and features a 114.2-inch wheelbase. On the vehicle’s rear are LED taillights, quad exhaust tips, and an optional rear spoiler.

Other exterior features include intermittent wipers, a rear defogger, power heated mirrors, fog lights, and dusk-sensing Xenon High-Intensity Discharge (HID) headlights with self-leveling.

p>The 2007 Infiniti M45 Sport trim level's exclusive standard exterior equipment includes 19-inch alloy wheels with performance tires, sport-tuned suspension, and power heated mirrors with reverse tilt for curb view.


The Infiniti M45’s interior is luxurious and spacious. It features the most head and legroom of all other vehicles in its class. Among the standard interior features are heated/cooled seats, leather/rosewood trim with aluminum trim that appears on the Sport model, keyless ignition with a push button start, a vehicle information center with seven-inch LCD screen, and an audio system with six-CD changer.

Other interior features include power door locks, power windows, power glass sunroof, remote anti-theft alarm system with engine immobilizer,10-way power heated driver and passenger seats with power lumbar support and height adjustment, bucket front seats, rear seat center armrest, rear ventilation ducts, cruise control, front console with storage, first aid kit, retained accessory power, electric speed-proportional power steering, universal remote transmitter, 12-volt power outlet, vehicle information system with seven-inch LCD display, leather-wrapped tilt/telescoping steering wheel with audio and cruise control functions, interior ail filtration, dual-zone climate controls, wood and leather interior trim, auto-dimming rearview mirror, memory settings for two drivers, tachometer, trip computer, external temperature display, compass, pre-wired for cell phone use, Bluetooth connectivity, and 160-watt AM/FM/six-CD changer/MP3 audio system with six speakers.

The leather seats are supportive and well bolstered. The front seats include 10-way power; the rear seats recline. Unfortunately, the rear seatbacks do not fold, so there is no option for additional cargo space. There is, however, a pass-through to the trunk via the rear seat center armrest to haul skis or other long objects. The trunk’s cargo capacity is 14.9 cubic feet.

The 2007 Infiniti M45 Sport trim level's exclusive standard equipment includes aluminum alloy/leather interior trim and front sport seats.

Optional 2007 Infiniti M45 equipment is available either as part of a package or as individual options. Equipment includes adaptive cruise control, a console-mounted DVD player, lane-departure alert system, a navigation system with voice activation, and a 14-speaker premium Bose audio system with surround sound.

Performance & Handling

The 2007 Infiniti M45 offers superior performance and handling, making it a desirable choice for driving enthusiasts. The 4.5-liter, V-8 engine generates 325 hp and 336 ft-lb of torque. Acceleration is vigorous. The five-speed shiftable automatic transmission offers quick, smooth gear changes, whether in automatic or auto manual mode. The suspension is well-tuned and offers agility on turns and a reasonably smooth ride. The Sport model offers a sport-tuned suspension; occupants may feel potholes and rough pavement in the interior. Braking is impressive. Steering quickness on the Sport model is enhanced by the active rear steering system. Overall, the 2007 Infiniti M45's performance and handling surpasses that of its competitors. It’s been clocked at 5.7 seconds in a zero-to-60-mph sprint.


2007 Infiniti M45 standard safety equipment includes four-wheel independent double wishbone front and multi-link rear suspensions, a four-wheel Anti-lock Braking System (ABS), emergency braking assist, electronic brake force distribution, front and rear ventilated disc brakes, stability control, traction control, lane departure warning system, tire pressure monitoring, and a full complement of airbags. The 2007 Infiniti M45 received a ""good"" rating in frontal and side impact crash testing performed by the Insurance Institute for Highway Safety.

EPA Fuel Economy

Infiniti M45: 16/21 mpg city/highway

You'll Like

  • Engine performance
  • Handling
  • Safety features

You Won't Like

  • Expensive options
  • Interior not as luxurious as competitors’
  • Rear seatback doesn’t fold down

Sum Up

A luxury vehicle with an emphasis on performance and handling.

If You Like This Vehicle

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