The Lemon Index

All cars · Acura MDX · 2009

2009 Acura MDX. Advanced data.

The raw numbers: engines, recall campaign numbers, failure mileage and manufacturer communications.

Lemon Index–100 = average car
Complaints15NHTSA, first 3 years
Sold31,178U.S. model year
Per 100K sold48complaints

Engines and drivetrains 1

EngineTransmissionDriveCity / hwy / combinedFuelFuel cost/yr
3.7L 6-cylAuto (S5)4Wheel or AWD15 / 20 / 17Premium$4,550

EPA test versions for this model year. Fuel cost is the EPA's current estimate, not the price in that year.

Failure mileage by system

Half of owners who gave a mileage reported the problem between 17,900 and 91,000 miles. Median 55,000, from 37 complaints with a mileage.

SystemMedianMiddle halfComplaints
Electrical72,50045,000–92,80014
Engine74,00045,000–124,9007
Speed control55,0007,900–125,0005

Mileage owners typed into their NHTSA complaint, all complaints for this model year. People report some problems late, so read it as a range.

Complaints by system

SystemShare of complaints
Engine20%
Seats20%
Lights13%
Electrical13%
Speed control13%

One complaint can name more than one system, so shares can add to more than 100%.

Severity, all complaints

TotalCrashesFiresInjuriesDeathsTows
5241604

As reported by owners to NHTSA. Not verified.

Manufacturer communications 35

Acura filed 35 service communications for this car with NHTSA.

  • "service bulletin - in cold areas, the front active dampers may be susceptible to leaking
  • Service bulletin - in cold areas, the rear active dampers may be susceptible to leaking

Safety equipment

Electronic stabilityForward collision warningLane departure warning
StandardNoNo

Nearby model years

YearLemon IndexComplaintsSoldTop system
2006–1254,121Transmission & drivetrain
2007–1458,606Electrical
2008–1645,377Brakes
2009–1531,178Engine
2010191047,210Electrical
2011301643,271Transmission & drivetrain
2012201150,854Electrical

Sources: NHTSA complaints, recalls, investigations and manufacturer communications; EPA fuel economy data; YouTube video titles. Complaints are owner reports, not proof of a defect.

Updated

Free to use with credit: Source: The Lemon Index (lemonindex.com). Get the data