2018 Acura RDX Problems: 3 Known Issues
2018 model year · 980+ owner reports · Updated August 2026
According to Au7o's analysis of 980+ owner reports, the 2018 Acura RDX has 3 documented known issues, with 1 rated critical. The most serious is J35 VCM Cylinder Deactivation Causing Oil Consumption and Rear-Bank Spark Plug Fouling ($180-$4,500 repair). The most commonly reported issue is AC Compressor Clutch and Bearing Failure with 980 owner reports. Across all issues with published estimates, repair costs range from $150 to $4,500. DIY maintenance guides at au7o.io.