What are the most common Acura MDX problems?

According to Au7o's analysis of 1,650+ owner reports, the 2009-2009 Acura MDX has 1 documented issues. The most frequently reported are: SH-AWD Rear Differential Whine and Bearing Failure. Of these, 1 is rated critical and should be addressed promptly.

Is the Acura MDX reliable?

The 2009-2009 Acura MDX has 1 known issues documented across 1,650+ owner reports. 1 issue is rated critical: SH-AWD Rear Differential Whine and Bearing Failure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Acura MDX problems?

Repair costs for known Acura MDX issues range from $800 to $3,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, SH-AWD Rear Differential Whine and Bearing Failure, typically costs $800-$3,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2007-2013 Acura MDX SH-AWD Rear Differential Whine and Bearing Failure?

Second-generation MDX models with the SH-AWD system develop a progressive whining noise from the rear differential that increases with vehicle speed. The rear differential bearings wear prematurely due to insufficient lubrication flow at highway speeds, eventually leading to bear… Repairs typically run $800-$3,500. Severity: high.

2009 Acura MDX Problems: 1 Issues Every Owner Should Know

2009 model year · 1,650+ owner reports · Updated April 2026

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According to Au7o's analysis of 1,650+ owner reports, the 2009 Acura MDX has 1 documented known issues, with 1 rated critical. The most serious is SH-AWD Rear Differential Whine and Bearing Failure ($800-$3,500 repair). The most commonly reported issue is SH-AWD Rear Differential Whine and Bearing Failure with 1,650 owner reports. Across all issues, repair costs range from $800 to $3,500. DIY maintenance guides at au7o.io.

2009 Acura MDX Problems: 1 Issues Every Owner Should Know

All 1 Known Issues

2007-2013 Acura MDX: SH-AWD Rear Differential Whine and Bearing Failure#

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Frequently Asked Questions

What are the most common Acura MDX problems?

Is the Acura MDX reliable?

How much does it cost to fix common Acura MDX problems?

What is the 2007-2013 Acura MDX SH-AWD Rear Differential Whine and Bearing Failure?