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Lexus RX vs Acura MDX: which has more problems

Lexus RX and Acura MDX side by side: owner complaints by component, problem years, service bulletins and engines. Same data as on each model page.

More complaints often just means more cars sold, so compare the pattern of problems and the years, not only the total.

At a glance

Lexus RX

  • Model years in data: 1999–2027
  • Owner complaints: 972 (after a crash 90, fires 0)
  • Complaints per model year (average): 34
  • Service bulletins: 197
  • Worst years: 2010 (77), 2008 (70), 2021 (70)

Acura MDX

  • Model years in data: 2001–2026
  • Owner complaints: 3,338 (after a crash 146, fires 0)
  • Complaints per model year (average): 128
  • Service bulletins: 588
  • Worst years: 2016 (378), 2017 (261), 2020 (227)

Components: owner complaints

Component Lexus RX Acura MDX
Powertrain 135 14% 999 30%
Engine 148 15% 674 20%
Electrical system 120 12% 532 16%
Air bags 128 13% 230 7%
Service brakes 126 13% 204 6%
Structure 86 9% 131 4%
Fuel/propulsion system 57 6% 167 5%
Vehicle speed control 45 5% 182 5%
Forward collision avoidance 43 4% 172 5%
Steering 44 5% 157 5%
Engine and cooling 0 0% 185 6%
Visibility 22 2% 81 2%

Which is more reliable: Lexus RX or Acura MDX?

This data alone can't settle it: complaint counts depend on sales. Compare which components draw the most complaints (powertrain, engine, electrical system) and which years are worst, then check the specific car by VIN and photos.

Check a specific car by VIN and photos