2010 Infiniti M45 45 4-Door Sedan AWD Specs

45 4-Door Sedan AWD
MSRP based on 45 4-Door Sedan AWD

Quick Specs

Gas Mileage 14 mpg City/20 mpg Hwy
Engine Gas V8, 4.5L
EPA Class 4-door Large Car
Style Name x AWD
Drivetrain All Wheel Drive
Passenger Capacity 5
Passenger Doors 4
Body Style 4dr Car
Transmission 5-speed automatic transmission -inc: manual shift mode, downshift rev-matching, Drive Sport (DS) mode w/adaptive shift control (ASC)


EPA Classification 4-door Large Car
Weight Information
Base Curb Weight (lbs) 4124
Interior Dimensions
Second Head Room (in) 37.8
Front Shoulder Room (in) 58.2
Second Hip Room (in) 53.9
Front Head Room (in) 39.6
Second Leg Room (in) 37.3
Passenger Capacity 5
Front Hip Room (in) 55.1
Front Leg Room (in) 44.2
Second Shoulder Room (in) 56.9
Passenger Volume (ft³) 105.2
Exterior Dimensions
Min Ground Clearance (in) - TBD -
Track Width, Front (in) 61.1
Width, Max w/o mirrors (in) 71.1
Liftover Height (in) 28.6
Wheelbase (in) 114.2
Track Width, Rear (in) 60.7
Height, Overall (in) 60.0
Length, Overall (in) 194.1
Cargo Area Dimensions
Trunk Volume (ft³) 14.9

Fuel Economy

Fuel Tank
Fuel Tank Capacity, Approx (gal) 20
EPA Fuel Economy Est - Hwy (MPG) 20
Fuel Economy Est-Combined (MPG) 18
EPA Fuel Economy Est - City (MPG) 14

Performance Specs

SAE Net Horsepower @ RPM 325 @ 6400
Displacement 4.5L/274
Engine Order Code NA
SAE Net Torque @ RPM 336 @ 4000
Fuel System SMPI
Engine Type Gas V8
Second Gear Ratio (:1) 2.37
Reverse Ratio (:1) 2.61
Trans Description Cont. Again NA
Fifth Gear Ratio (:1) 0.83
Trans Type 5
Third Gear Ratio (:1) 1.52
Clutch Size (in) NA
Drivetrain All-Wheel Drive
First Gear Ratio (:1) 3.83
Sixth Gear Ratio (:1) NA
Trans Description Cont. Automatic
Fourth Gear Ratio (:1) 1.0
Final Drive Axle Ratio (:1) 3.36
Trans Order Code NA
Drum - Rear (Yes or ) NA
Front Brake Rotor Diam x Thickness (in) 12.6 x 1.1
Disc - Front (Yes or ) Yes
Rear Drum Diam x Width (in) NA
Brake Type Pwr
Rear Brake Rotor Diam x Thickness (in) 12.1 x 0.6
Disc - Rear (Yes or ) Yes
Brake ABS System 4-Wheel
Turning Diameter - Wall to Wall (ft) 38.6
Lock to Lock Turns (Steering) 3.0
Steering Type Pwr Rack & Pinion
Turning Diameter - Curb to Curb (ft) 36.1
Steering Ratio (:1), Overall 16.1
Rear Tire Size P245/45VR18
Spare Tire Order Code NA
Front Tire Order Code NA
Spare Tire Size T145/80D17
Front Tire Size P245/45VR18
Rear Tire Order Code NA
Rear Wheel Material Aluminum
Spare Wheel Size (in) 17 x - TBD -
Front Wheel Size (in) 18 x 8.0
Spare Wheel Material Steel
Front Wheel Material Aluminum
Rear Wheel Size (in) 18 x 8.0
Stabilizer Bar Diameter - Front (in) - TBD -
Shock Absorber Diameter - Front (mm) - TBD -
Suspension Type - Front (Cont.) w/Stabilizer Bar
Stabilizer Bar Diameter - Rear (in) - TBD -
Suspension Type - Front Independent Double Wishbone
Shock Absorber Diameter - Rear (mm) - TBD -
Suspension Type - Rear (Cont.) w/Stabilizer Bar
Suspension Type - Rear Independent Multi-Link

Safety Features

Air Bag-Frontal-Driver Yes
Air Bag-Frontal-Passenger Yes
Air Bag-Passenger Switch (On/Off) No
Air Bag-Side Body-Front Yes
Air Bag-Side Body-Rear No
Air Bag-Side Head-Front Yes
Air Bag-Side Head-Rear Yes
Brakes-ABS Yes
Child Safety Rear Door Locks Yes
Daytime Running Lights No
Traction Control Yes
Night Vision No
Rollover Protection Bars No
Fog Lamps Yes
Parking Aid No
Tire Pressure Monitor Yes
Back-Up Camera No
Stability Control Yes
Other Features Anti-lock brake system (ABS)
Electronic brake forces distribution (EBD) w/brake assist
Vehicle dynamic control (VDC)
Traction control system (TCS)
Shift interlock system
Dual front dual-stage airbags w/occupant sensor
Driver/front passenger side-impact airbags
Front/rear side-impact curtain airbags
Brake-activated pre-crash front safety belts
3-point safety belts for all positions w/front pretensioners &...
Child safety rear door locks
Rear seat LATCH system
Tire pressure monitoring system -inc: actual location display
Energy-absorbing steering column
Emergency inside trunk release
Front seat active head restraints -inc: 4-way adjustment
First aid kit in rear center armrest


Basic Miles/km 60,000
Basic Years 4
Corrosion Miles/km Unlimited
Corrosion Years 7
Drivetrain Miles/km 70,000
Drivetrain Years 6
Emissions Miles/km 70,000
Emissions Years 7
Roadside Assistance Miles/km Unlimited
Roadside Assistance Years 4

Other Specs

Cooling System
Total Cooling System Capacity (qts) 10.2 w/0.9 Reserve
Cold Cranking Amps @ 0° F (Primary) - TBD -
Maximum Alternator Capacity (amps) 150
Wt Distributing Hitch - Max Trailer Wt. (lbs) NA
Dead Weight Hitch - Max Trailer Wt. (lbs) NA
Wt Distributing Hitch - Max Tongue Wt. (lbs) NA
Dead Weight Hitch - Max Tongue Wt. (lbs) NA
Looking for other models of the Infiniti M45?
Read reviews & get prices
Compare the 2010 Infiniti M45 against the competition
Compare All Cars