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2010 Infiniti M45x Sedan

Starting at: $54,650

Infiniti M45x Sedan Fuel Efficiency Rating
City MPG: 14
Hwy MPG: 20

Actual rating will vary with options, driving conditions, habits and vehicle condition.

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The standard features of the Infiniti M45x Base include 4.5L V-8 325HP engine, 5-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), side seat mounted airbags, curtain 1st and 2nd row overhead airbags, airbag occupancy sensor, automatic air conditioning, 18" aluminum wheels, cruise control, ABS and driveline traction control, and an all-wheel drive.

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Quick Stats

Specifications
  • Engine liters - 4.5
  • Cylinder configuration - V-8
  • Horsepower - 325hp @ 6,400RPM
  • Torque - 336 lb.-ft. @ 4,000RPM
  • Number of valves - 32
  • Variable valve control
  • Variable intake manifold
  • Sequential multi-point fuel injection
  • Engine location - front
  • Recommended fuel - premium unleaded
  • Transmission - 5 speed automatic
  • Mode select transmission
  • Manual-shift auto
  • Drive type - all-wheel drive
  • Fuel economy city - 14mpg
  • Fuel economy highway - 20mpg
  • Fuel tank capacity - 20.0gal.
  • AM/FM radio
  • CD player
  • MP3 decoder
  • Radio data system
  • Steering wheel mounted audio controls
  • Speakers - 6
  • Wireless phone connectivity
  • 1st row LCD monitors - 1
  • Diversity antenna
  • Max seating capacity - 5
  • Front seats - bucket
  • Power driver seat
  • Power passenger seat
  • Front center armrest - w/storage
  • Heated front seats
  • Ventilated front seats
  • Rear seats - bench
  • Rear seat center armrest
  • Leather upholstery
  • Genuine wood dashboard insert
  • Genuine wood door panel insert
  • Genuine wood console insert
  • Leather shift knob
  • Leather steering wheel
  • Basic warranty - 48 months/60,000miles
  • Powertrain warranty - 72 months/70,000miles
  • Corrosion perforation warranty - 84 months/ unlimited distance
  • Roadside assistance coverage - 48 months/ unlimited distance
  • Four wheel independent suspension
  • Front anti-roll bar
  • Rear anti-roll bar
  • Power steering
  • Speed-sensing steering
  • Alloy wheels
  • Front tires - 245/45VR18.0
  • Rear tires - 245/45VR18.0
  • Wheel size - 18"
  • Tires - performance
  • Air conditioning
  • Automatic temperature control
  • Front dual zone A/C
  • Power moonroof
  • Memory seat
  • Steering wheel memory
  • Speed control
  • Power windows
  • 1-touch down
  • 1-touch up
  • Remote keyless entry
  • Illuminated entry
  • Tilt steering wheel
  • Telescoping steering wheel
  • Auto tilt-away steering wheel
  • Auto-dimming rearview mirror
  • Driver vanity mirror
  • Passenger vanity mirror
  • Garage door transmitter - HomeLink
  • Front beverage holders
  • Rear beverage holders
  • Overhead console
  • Driver door bin
  • Passenger door bin
  • Power trunk closing assist
  • Engine displacement - 4.5 L
  • Engine horsepower - 325hp @ 6,400RPM
  • Engine torque - 336 lb.-ft. @ 4,000RPM
  • Engine bore x stroke - 93.0mm x 82.7mm (3.66" x 3.26")
  • Compression ratio - 10.50 to 1
  • GVWR - 2,326kg (5,128lbs)
  • Exterior length - 4,892mm (192.6")
  • Exterior body width - 1,798mm (70.8")
  • Exterior height - 1,524mm (60.0")
  • Wheelbase - 2,901mm (114.2")
  • Turning radius - 5.5m (18.1')
  • Front legroom - 1,123mm (44.2")
  • Rear legroom - 947mm (37.3")
  • Front headroom - 1,006mm (39.6")
  • Rear headroom - 960mm (37.8")
  • Front hiproom - 1,400mm (55.1")
  • Rear hiproom - 1,369mm (53.9")
  • Front shoulder room - 1,478mm (58.2")
  • Rear shoulder room - 1,445mm (56.9")
  • Passenger volume - 2,979L (105.2 cu.ft.)
  • Interior cargo volume - 422 L (15 cu.ft.)
  • Interior maximum cargo volume - 422 L (15 cu.ft.)
  • Greenhouse Gas Score (GG) - 3
  • Air Pollution Score (AP) - 6
  • Number of doors - 4
  • Power door mirrors
  • Heated door mirrors
  • Auto-dimming door mirrors
  • Turn signal indicator mirrors
  • Door mirrors - body-color
  • Bumpers - body-color
  • Bodyside moldings
  • High intensity discharge headlights
  • Fully automatic headlights
  • Delay-off headlights
  • Front fog lights
  • Variably intermittent wipers
  • Rain sensing wipers
  • Rear window defroster
  • Front reading lights
  • Rear reading lights
  • Tachometer
  • Compass
  • Outside temperature display
  • Low tire pressure warning
  • Trip computer
  • 4 wheel disc brakes
  • ABS brakes
  • Brake assist
  • Dual front impact airbags
  • Dual front side impact airbags
  • Overhead airbag
  • Occupant sensing airbag
  • Panic alarm
  • Ignition disable
  • Security system
  • Electronic stability
  • Traction control
  • Anti-whiplash front head restraints
  • Adjustable head restraints - driver and passenger w/tilt

Quick Links

 
Transmission
MSRP
Engine
City/Hwy mpg
Base (A5)
Search New
5-spd auto 
$54,650  
325-hp 4.5L 8-cyl 
14 / 20  

Based on 2008 -2009 EPA mileage estimates, reflecting new EPA fuel economy methods beginning with 2008 models. Use for comparison purposes only. Do not compare to models before 2008. Your actual mileage will vary depending on how you drive and maintain your vehicle.