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Compare 2009 Infiniti FX50 vs 2009 Mercedes-Benz M Class

2009 Infiniti FX50 Change
2009 Mercedes-Benz M Class Change
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Selected Style AWD 4-Door RWD 4-Door 3.5L
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Body Style

Engine

Drivetrain

Trim

Other

Style MPG City MPG Hwy Invoice MSRP
RWD 4-Door 3.5L 16 21 $41,478 $44,600
4MATIC 4-Door 3.5L 15 20 $43,803 $47,100
4MATIC 4-Door 3.0L BlueTEC 18 24 $45,198 $48,600
4MATIC 4-Door 5.5L 13 18 $51,894 $55,800
4MATIC 4-Door 6.3L AMG 11 15 $83,793 $90,100
Pricing
Invoice Price
$53,893
$41,478
Manufacturer Suggested Retail Price
$58,400
$44,600
Monthly Payment Estimate
$973 / month
$743 / month
Dealer Price Quotes
The Car Connection's Take
TCC Rating
8.4
/ 10
TCC Rating
How does the
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or “Go” (green) messages along with the numerical score so you can easily understand where we stand at a glance.

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8.6
/ 10
TCC Rating
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Read Our Full Review
TCC's Bottom Line It ain’t cheap, but the 2009 Mercedes-Benz M-Class deserves its place atop the luxury SUV echelon.
TCC Likes
TCC Dislikes
Fuel Economy
Fuel Economy - City 14 mpg 16 mpg
Fuel Economy - Highway 20 mpg 21 mpg
Vehicle
EPA Classification 4WD Sport Utility 2WD Sport Utility Vehicle
Interior Dimensions
Front Hip Room (in) 54.9 58.3
Passenger Volume (ft³) 102.5 132.7
Second Leg Room (in) 34.6 40.0
Front Head Room (in) 39.3 39.9
Second Hip Room (in) 54.2 58.3
Front Shoulder Room (in) 57.3 59.9
Passenger Capacity 5 5
Second Head Room (in) 38.5 39.8
Second Shoulder Room (in) 57.4 59.8
Front Leg Room (in) 44.7 42.2
Exterior Dimensions
Liftover Height (in) 31.1 - TBD -
Track Width, Rear (in) 64.6 64.1
Wheelbase (in) 113.6 114.7
Rear Door Opening Height (in) - TBD - - TBD -
Width, Max w/o mirrors (in) 75.9 76.3
Track Width, Front (in) 64.4 64.0
Min Ground Clearance (in) 7.1 8.3
Length, Overall (in) 191.3 188.2
Rear Door Opening Width (in) - TBD - - TBD -
Height, Overall (in) 66.1 71.5
Cargo Area Dimensions
Cargo Area Length @ Floor to Seat 2 (in) 35.3 - TBD -
Cargo Volume to Seat 2 (ft³) 24.8 29.4
Cargo Area Width @ Beltline (in) - TBD - - TBD -
Cargo Box (Area) Height (in) - TBD - - TBD -
Cargo Area Length @ Floor to Seat 1 (in) 67.8 - TBD -
Cargo Volume to Seat 1 (ft³) 62.0 72.4
Cargo Area Length @ Floor to Seat 3 (in) NA NA
Cargo Volume to Seat 3 (ft³) NA NA
Cargo Box Width @ Wheelhousings (in) 41.7 - TBD -
Brakes
Brake Type Pwr Pwr
Rear Drum Diam x Width (in) NA NA
Disc - Front (Yes or ) Yes Yes
Front Brake Rotor Diam x Thickness (in) 14.0 x 1.3 13.0 x 1.3
Drum - Rear (Yes or ) NA NA
Brake ABS System 4-Wheel 4-Wheel
Disc - Rear (Yes or ) Yes Yes
Rear Brake Rotor Diam x Thickness (in) 13.8 x 0.8 13.0 x 0.45
Fuel Tank
Fuel Tank Capacity, Approx (gal) 23.8 25.1
Steering
Steering Type Pwr Rack & Pinion Pwr Rack & Pinion
Lock to Lock Turns (Steering) 2.96 3.62
Turning Diameter - Wall to Wall (ft) 19.4 - TBD -
Steering Ratio (:1), Overall 16.1 18.6
Turning Diameter - Curb to Curb (ft) 36.7 37.9
Tires
Spare Tire Order Code - TBD - NA
Rear Tire Size P265/45R21 P255/50R19
Rear Tire Order Code - TBD - NA
Front Tire Size P265/45R21 P255/50R19
Spare Tire Size T175/90D18 - TBD -
Front Tire Order Code - TBD - NA
Trailering
Dead Weight Hitch - Max Tongue Wt. (lbs) 350 460
Wt Distributing Hitch - Max Tongue Wt. (lbs) 525 NA
Dead Weight Hitch - Max Trailer Wt. (lbs) 3500 4600
Wt Distributing Hitch - Max Trailer Wt. (lbs) 3500 NA
Weight Information
Base Curb Weight (lbs) 4575 4632
Wheels
Rear Wheel Size (in) 21 x 9.5 19 x 8.0
Front Wheel Material Aluminum Aluminum
Spare Wheel Material Aluminum - TBD -
Front Wheel Size (in) 21 x 9.5 19 x 8.0
Spare Wheel Size (in) 18 x - TBD - - TBD -
Rear Wheel Material Aluminum Aluminum
Cooling System
Total Cooling System Capacity (qts) 11.6 10
Electrical
Cold Cranking Amps @ 0° F (Primary) - TBD - - TBD -
Maximum Alternator Capacity (amps) 150 - TBD -
Engine
SAE Net Torque @ RPM 369 @ 4400 258 @ 2400 - 5000
Engine Order Code NA NA
Displacement 5.0/307 3.5L/213
SAE Net Horsepower @ RPM 390 @ 6500 268 @ 6000
Engine Type Gas V8 Gas V6
Fuel System SMPI - TBD -
Mileage
EPA Fuel Economy Est - Hwy (MPG) 20 21
EPA Fuel Economy Est - City (MPG) 14 16
Fuel Economy Est-Combined (MPG) 16 18
Transmission
Sixth Gear Ratio (:1) 0.86 0.82
First Gear Ratio (:1) 4.89 4.38
Clutch Size (in) NA NA
Third Gear Ratio (:1) 2.03 1.92
Trans Type 7 7
Drivetrain All Wheel Drive Rear Wheel Drive
Seventh Gear Ratio (:1) 0.77 0.73
Fifth Gear Ratio (:1) 1.00 1.00
Trans Description Cont. Again NA NA
Reverse Ratio (:1) 4.04 3.42/2.23
Second Gear Ratio (:1) 3.17 2.86
Trans Order Code - TBD - NA
Final Drive Axle Ratio (:1) 3.54 3.90
Fourth Gear Ratio (:1) 1.41 1.37
Trans Description Cont. Automatic w/OD Automatic
Transfer Case Gear Ratio (:1), High - - TBD -
Transfer Case Gear Ratio (:1), Low - - TBD -
Summary
Vehicle Name Infiniti FX50 Mercedes-Benz M-Class
Body Style 4 Door SUV 4 Door
Suspension
Shock Absorber Diameter - Rear (mm) - TBD - - TBD -
Suspension Type - Front Independent Double Wishbone
Stabilizer Bar Diameter - Rear (in) - TBD - - TBD -
Suspension Type - Front (Cont.) Double Wishbone NA
Shock Absorber Diameter - Front (mm) - TBD - - TBD -
Stabilizer Bar Diameter - Front (in) - TBD - - TBD -
Suspension Type - Rear Independent 4-Arm Multilink
Suspension Type - Rear (Cont.) Multi-Link NA
Emissions
EPA Greenhouse Gas Score 3 3
 
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