Makes›Infiniti›QX56›2009

2009 Infiniti QX56

Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2009 models.

Class
Sport Utility Vehicle - 2WD
Body styles
4dr SUV 4X4
Engines
5.6L 8-cyl
Drivetrain
Rear-Wheel Drive, 4-Wheel or All-Wheel Drive
Fuel
Premium Gasoline
MPG (best)
14 combined · 12 city / 18 hwy
Length
207.5 in
Curb weight
5,913 lb
NHTSA rating
Not rated
Recalls
2 campaigns

Pros & cons

What's good

  • AWD / 4WD available

Watch out for

  • Below-average fuel economyBest version gets 14 MPG combined, 28% below the 2009 SUV - average of 19.5 MPG.
  • Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.

Calculated from EPA, NHTSA and vPIC data against 7 similar 2009 models — not a review. How we calculate this →

Overview

The 2009 Infiniti QX56 is a SUV - offered with a 5.6L 8-cyl engine and rear-wheel drive and 4-wheel or all-wheel drive.

It measures about 208 inches long and 79 inches wide on a 124-inch wheelbase, with a curb weight of roughly 5,913 lb.

EPA rates its most efficient version at 14 MPG combined (12 city / 18 highway), 28% worse than the 2009 SUV - average of 19.5 MPG, for an estimated $5,850 a year in fuel.

It has 2 recall campaigns on file and owners have filed 7 complaints with NHTSA since 2015, most often about the suspension.

What changed for 2009

No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2008 QX56 — a carry-over year in the data.

Compared with 2008; trim, feature and price changes aren't covered. See the 2008 QX56 →

Dimensions & weight

BodyLengthWidthHeightWheelbaseTrack F / RCurb weightWeight F/R
4dr SUV 4X4207.5 in78.7 in78.7 in123.6 in66.9 / 66.9 in5,913 lb52/48

Transport Canada CVS (Open Government Licence – Canada), Canadian-market figures.

Will it fit your garage? Check with your measurements →

Engines, MPG & running costs

VersionEngineTransmissionDriveCity / Hwy / Combvs. classFuel / yrCO₂ g/mi
QX56 2WD5.6L 8-cylAutomatic 5-spdRear-Wheel Drive12 / 18 / 14-28%$5,850635
QX56 4WD5.6L 8-cylAutomatic 5-spd4-Wheel or All-Wheel Drive12 / 17 / 14-21%$5,850635
Spend $17,250Fuel over 5 years vs. average new car
19.5 MPG2009 Sport Utility Vehicle - 2WD average

EPA estimates; "vs. class" is combined MPG against the 2009 EPA class average. How we calculate this →

Safety ratings & technology

NHTSA has not published 5-Star ratings for the 2009 Infiniti QX56 under the current (2011+) test program.

Similar 2009 SUV -s

ModelBest MPG / rangeNHTSA overallRecalls
2009 Infiniti QX56 (this car)14 MPGNot rated2
2009 Cadillac Escalade20 MPGNot rated4
2009 Audi Q720 MPGNot rated3
2009 Lincoln Navigator16 MPGNot rated0
2009 Volvo XC6018 MPGNot rated1
2009 Mercedes-Benz GL-Class15 MPGNot rated0
2009 Mercedes-Benz ML-Class18 MPGNot rated0

Recalls (2)

Fuel System, Other › Storage › Fuel Gauge System · Mar 3, 2010

NHTSA campaign 10V074000 · 340,000 vehicles

Problem
NISSAN IS RECALLING CERTAIN MODEL YEAR 2005-2009 TITAN, ARMADA, AND INFINITI QX56 VEHICLES. THE INSTRUMENT PANEL FUEL GAUGE MAY INACCURATELY DISPLAY THAT THE VEHICLE STILL HAS SOME FUEL, TYPICALLY ABOUT ONE QUARTER TANK, WHEN THE FUEL TANK IS EMPTY.
Risk
THIS COULD CAUSE THE VEHICLE TO RUN OUT OF GAS AND STALL ON THE HIGHWAY, WHICH COULD CAUSE A CRASH.
Fix
DEALERS WILL REPLACE THE FUEL SENDER UNIT INSIDE THE FUEL TANK WITH A NEW IMPROVED SENDER CARD. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MARCH 22, 2010. OWNERS MAY CONTACT NISSAN AT 1-800-647-7261.
Service Brakes, Hydraulic › Pedals And Linkages · Mar 2, 2010

NHTSA campaign 10V072000 · 179,383 vehicles

Problem
NISSAN IS RECALLING CERTAIN MODEL YEAR 2008-2010 TITAN, ARMADA, AND INFINITI QX56, AND MODEL YEAR 2008-2009 NISSAN QUEST VEHICLES. THE BRAKE PEDAL PIVOT PIN END WAS NOT SPIN-FORMED TO SPECIFICATION DURING THE MANUFACTURING PROCESS OF THE BRAKE PEDAL ASSEMBLY. THE PIVOT PIN COULD SLIDE AND CAUSE THE BRAKE PEDAL TO PARTIALLY DISENGAGE FROM THE BRAKE PEDAL BRACKET.
Risk
THE DRIVER WILL EXPERIENCE UNUSUAL AND NOTICEABLE LOOSENESS IN THE PEDAL AND A REDUCTION IN BRAKING FORCE INCREASING THE RISK OF A CRASH.
Fix
DEALERS WILL INSPECT TO SEE IF THE PIVOT PIN HAD BEEN FORMED PROPERLY AND WILL REPLACE THE BRAKE PEDAL ASSEMBLY IF NECESSARY FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MARCH 22, 2010. OWNERS MAY CONTACT NISSAN AT 1-800-647-7261.
Check your VIN for open recalls at NHTSA ↗

Not every 2009 Infiniti QX56 is affected — only a VIN check confirms your car.

Owner-reported problems

7Complaints to NHTSA since 2015
0Involved a crash
0Involved a fire
0Injuries reported
156,193 miTypical mileage at failure
Suspension3
Electrical System2
Fuel/Propulsion System1
Air Bags1
Structure › Body1
Structure › Body › Trunk Lid1
Service Brakes1
Electronic Stability Control (Esc)1
Complaints received per month (last 24 months with reports)
15/03: 117/04: 117/10: 118/07: 118/11: 122/07: 123/04: 115/0317/0417/1018/0718/1122/0723/04max 1

Unverified owner reports; best-sellers collect more.

Used 2009 Infiniti QX56 buyer's checklist

  1. Run the VIN at nhtsa.gov/recalls. 2 recalls this year — ask for proof of repairs.
  2. Suspension — 3 owner reports. Drive over bumps and listen for clunks; look for uneven tire wear.
  3. Electrical System — 2 owner reports. Test every window, lock, light, screen and USB port; check the battery age.
  4. Fuel/Propulsion System — 1 owner reports. Smell for fuel around the car and in the cabin, check that it starts easily when warm, and look at the oil dipstick for a fuel smell or rising level.
  5. Mileage to watch. Owners typically reported problems around 156,193 miles; ask what was repaired near that point.
  6. Before you pay: service records, a history report and an independent inspection.

Generated by DecodedCars from NHTSA recalls and owner complaints for the 2009 Infiniti QX56. Not a substitute for a professional inspection.

Other QX56 years

Compare all years →
YearMPG (best)LengthOverallRecallsComplaints
2013 QX5616208.3 inNot rated329
2012 QX5616208.3 inNot rated352
2011 QX5616208.3 inNot rated271
2010 QX5614207.5 inNot rated216
2008 QX5614207.5 inNot rated331
2007 QX5614207.5 inNot rated113
2006 QX5614207.5 inNot rated235
2005 QX5614207.5 inNot rated232

Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Infiniti. How we calculate this →