2021 Acura RDX Problems

109 owner complaints filed with the United States safety regulator · top issue: Unknown Or Other · verdict CAUTION 52/100

Source NHTSA public complaint and recall record · methodology

What breaks, by owner reports

Unknown Or Other29
Engine20
Service Brakes15
Power Train13
Air Bags11
Structure10

In the owners’ words

“While driving only at 35 miles per hour down the XXX in [XXX] my panoramic sunroof suddenly bursts. A loud pop sound. This would have popped all over my body if I didn’t have cover up. This is an extreme problem as someone can die from this. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)”NHTSA complaint, 2021 Acura RDX owner
“Vehicle lost all coolant and could be smelled. Vehicle was towed to dealership before it could overheat. Diagnosed with a cracked cylinder head at 88,000 miles. Vehicle has never been modified, tracked, nor has it ever overheated. All service has been performed on time and at Acura dealership since I purchased the vehicle brand new. Vehicle is still at dealership. I've researched and found many other owners experienc”NHTSA complaint, 2021 Acura RDX owner
“A transmission fluid leak has been identified emanating from the passenger side output shaft seal, located between the transmission and the transfer case. This issue pertains to 2019–2023 Acura RDX and TLX models equipped with SH-AWD, specifically at the interface where the transmission connects to the front transfer case, which is responsible for power distribution to the rear wheels. It appears that the fitment tol”NHTSA complaint, 2021 Acura RDX owner

Recall campaigns

ReportedComponentSummary
02/12/2021Power Train:Driveline:DriveshaftHonda (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 drivesha
01/02/2024Air Bags:Sensor:Occupant Classification:Front Passenger SAFETYHonda (American Honda Motor Co.) is recalling certain 2020-2022 Pilot, Accord, Civic sedan, HR-V, Odyssey, 2020 Civic coupe, Fit, 2021-2022 Civic hatchback, 2021 Civic Type R, Insight, 2020-2021 CR-V, CR-V Hybrid, Passpo
21/05/2026Air Bags:Sensor:Occupant Classification:Front Passenger SAFETYHonda (American Honda Motor Co.) is recalling certain 2018-2021, 2023 Acura TLX, 2019-2024 RDX, 2017-2020, 2022-2026 MDX, 2017-2021, 2023, 2025 Honda Ridgeline, 2017-2022 Pilot, 2019-2021 Passport, 2018-2026 Odyssey, 201

Questions owners ask

Is the 2021 Acura RDX reliable?

On the federal record it scores 52/100: 109 owner complaints (21.8 per year on the road) and 3 recall campaigns, 2 touching safety-critical systems.

What is the most common problem with the 2021 Acura RDX?

The most-reported component in NHTSA complaints is Unknown Or Other, with 29 of 98 categorised reports.

Share this verdict

The 2021 Acura RDX scored 52/100 on the federal record.

Full 2021 data pagecosts, verdict, every numberAll RDX yearswhich year to avoid Most complained-about carsthe national ranking