2021 Acura RDX: reliability, problems and cost to own
Think twiceWell below average
It scores 9 out of 100 for reliability compared with other luxury cars and SUVs. Over the next 5 years we expect it to cost about $22,588 to own, including $8,321 in repairs.
Early estimate: this rating uses our own sales estimate for the Acura RDX.
These are estimates, not guarantees. They come from public NHTSA complaint and recall data and EPA fuel economy, assuming 5 years of ownership and 12,000 miles a year. Change the assumptions or see how it works.
Where repair money is likely to go
Engine & cooling$4,483
Transmission & drivetrain$1,322
Body, glass & interior$923
Electrical system$469
Driver-assist & stability$385
Airbags & seat belts$174
Expected over 5 years, by area of the car.
Recalls
Air Bags › Sensor › Occupant Classification › Front PassengerMay 22, 2026 · campaign 26V332000
Honda (American Honda Motor Co.) is recalling certain 2021 Acura RDX and 2022 CR-V Hybrid vehicles. A component in the right or left front driveshaft may have been improperly heat-treated, which could result in driveshaft failure.
Check whether a specific car still has open recalls with its VIN at nhtsa.gov/recalls.
Yes. It scores 9 out of 100, among the least reliable luxury cars and SUVs of 2015–2024. The 2016 and 2018 RDX scored much better.
Is the 2021 Acura RDX reliable?
It scores 9 out of 100 against other luxury cars and SUVs from 2015 to 2024, which is well below average. Based on 117 owner complaints filed with NHTSA, we expect about $8,321 in repairs over the next 5 years at 12,000 miles a year.
How much does a 2021 Acura RDX cost to own?
About $22,588 over 5 years: $5,767 in lost value, $8,321 in repairs and $8,500 in fuel at $3.40 a gallon. A typical one sells for about $20,518 today.
What are the best years of the Acura RDX?
Of the years we rate, the 2016 scores best (69/100) and the 2019 worst (0/100).