Wrench.Pro

2021 Acura RDX: raw data

Every record we hold for this vehicle, as plain tables, with nothing added. The consumer page shows the same records with the maintenance schedule, price ranges and nearby shops around them.

vehicle2021 / acura / rdx
known issues8 clusters (reviewed 2026-07-22)
complaints111 on file (2020-12-14 → 2026-08-22)
recalls3
investigations0
fars11 occupant deaths, crash years 2010-2024 (legacy-code)
indexedyes
licenseCC BY 4.0 (derived)

Known Issues clusters all years →

Rear window glass shattering without impactVISIBILITY/WIPER17 complaints2021-12 → 2026-04rdx-2021-rear-window-shatter
  • 11702676 My car was parked in my driveway. After starting it up and closing my driver’s side door, the entire rear windshield spontaneously shattered without warning or any external manipulation/force. There was no way of knowing of whether or not this would happen…
  • 11710918 The contact's sister owns a 2021 Acura RDX. The contact stated that the rear glass had shattered while the vehicle was parked in the driveway. The dealer was contacted and advised that the earliest availability to replace the glass was in 3-4 days…
  • 11444658 The contact owns a 2021 Acura RDX. The contact stated while the vehicle was stationary in the driveway, he noticed that the rear windshield had shattered. Upon inspection, the contact stated he did not see any near objects that would have caused the windshield to shatter…
Panoramic sunroof glass shatteringUNKNOWN OR OTHER8 complaints2021-06 → 2026-03rdx-2021-sunroof-shatter
  • 11594354 My sunroof exploded for no reason while traveling at highway speeds. Fortunately my sunshade was closed preventing shattered glass from entering the cabin which could have injured me…
  • 11420647 Brand new 2021 Acura RDX panoramic sunroof exploded less than 2 weeks after purchase. I was driving when all the sudden, out of nowhere, there was a loud pop/explosion sound. I immediately pulled over and inspected the but didn't find anything…
  • 11552681 The panoramic sunroof exploded on our Acura RDX model 2021. Me, my wife and our 3 month old son were returning from dinner, we took the ramp and about to merge on a highway then we heard a loud and sudden explosive noise which scared all of us…
Panoramic sunroof popping noise on chassis flexSTRUCTURE8 complaints2021-03 → 2025-12rdx-2021-sunroof-popping
  • 11598342 The panoramic sunroof makes popping sounds when I drive the car up or down ramps or curbs at angles that twists the chassis. This could potentially break and shatter the glass on top of the driver and passengers or worse dislodge from the mounting bracket…
  • 11590517 Panoramic sunroof has made popping noise when pulling into driveways 4/5 times within 3 weeks of owning vehicle. Have taken to dealer twice and they claim they cant replicate issue…
  • 11668795 While driving over a bump or curb to enter parking lot, I hear a popping noise coming from the sunroof at the front passenger and rear driver side of the car.
Engine power loss and limp mode during accelerationENGINE14 complaints2021-05 → 2025-01rdx-2021-limp-mode
  • 11420614 I was driving in the rain, accelerated to pass a vehicle and the engine lost power. The check engine light came on and the car went into "limp" mode. The car would barely go 40 mph on a highway and the speed seemed to be continuing to decrease…
  • 11434152 I own a 2021 Acura RDX that was purchased new in February 2021. In the 11,500 miles I have driven it, there have been zero problems until yesterday. However, yesterday, when driving on an Interstate highway at 70 mph, in the rain, while passing a semi truck…
  • 11459776 during acceleration on highway to pass a vehicle the Acura RDX lost power and decelerated. Check engine light came on....engine lost power to accelerate/maintain highway speed almost causing an accident.
Air bag seat weight sensor recall parts unavailableAIR BAGS13 complaints2023-03 → 2025-06rdx-2021-seat-sensor-recall
  • 11668941 The contact owns a 2021 Acura RDX. The contact received notification of NHTSA Campaign Number: 24V064000 (AIR BAGS); however, the part to do the recall repair was unavailable…
  • 11616293 Acura RDX 2021.Faulty seat weight sensor front passenger seat. My wife is petite, [XXX] " and weighs [XXX]. When she sits in front passenger seat, at times, the seat weight sensor doesn't register that she's sitting in the seat and the air bag is not engaged…
  • 11643177 I have been trying to get my vehicle repaired for over a year in response to recall number 24V-064 with no success. The vehicle manufacturer is not providing the required parts to the dealership to address this recall from early 2024…
Automatic emergency braking with no obstacleFORWARD COLLISION AVOIDANCE4 complaints2021-06 → 2022-08rdx-2021-collision-braking
  • 11430610 On 3 separate occasions my Collision mitigation braking system has malfunctioned. The first time I was driving at 55 with my cruise control set with no cars in front, behind or beside me when, without warning or reason, the orange brake light abruptly flashed…
  • 11420161 On May 9th we were driving on the freeway at around 3 pm on a sunlit clear day. It was a straight section of road. Dry pavement and traffic moving reasonably well…
  • 11481593 What component or system failed or malfunctioned? Car automatically applied brakes on several occasions, despite no obstacles in front of the car. Incident 1: While driving through an 3-way intersection, the car slammed on the brakes automatically…
SH-AWD transfer case fluid leakPOWER TRAIN3 complaints2025-11 → 2026-06rdx-2021-transfer-case-leak
  • 11697855 The transfer case began leaking between the transmission and transfer case. Upon taking it to a mechanic I’ve been told the entire transfer case needs replacement because it has prematurely failed. The repair cost is $5533.00…
  • 11746061 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…
  • 11703819 I had found a leak coming from my 2021 Acura RDX early November. I took it into the dealership December 1st to get it diagnosed and they stated that the transmission and transfer case needs to get replaced…
Rear brake noise on braking and reversingSERVICE BRAKES4 complaints2022-06 → 2024-12rdx-2021-rear-brake-noise
  • 11488883 2021 Acura Rdx Sh-awd purchased brand new. Rear brakes squeak very bad. Have taken car back to the dealer and contacted Acura several times, but still have yet to receive any resolve/resolution. Brakes started squeaking very loud when car was moving @ low speeds…
  • 11510123 Rear brakes: Rear brakes and rotors make odd noise or extraordinarily high pitched screeching sounds coming from outside the car when your brakes are applied. When using brakes in reverse the noise is very load…
  • 11630484 I bought this car from a Honda dealership 1 month ago and my brakes are squeaking very loud when reversing my car. It happens every morning and is very frustrating. I would like this fixed for it being such an expensive car.

NHTSA complaints (summary) all years →

countearliest_datelatest_datecrash_flaggedfire_flaggedtop_components
1112020-12-142026-08-2230UNKNOWN OR OTHER:30; ENGINE:20; SERVICE BRAKES:16; POWER TRAIN:13; AIR BAGS:11

Recalls all years →

campaign_numberreport_received_datecomponentsummaryconsequenceremedy
21V93900002/12/2021POWER 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 driveshaft failure.Driveshaft failure can cause a sudden loss of drive power, or cause the vehicle to roll away when parked if the parking brake is not applied. Either condition can increase the risk of a crash or injury.Dealers will replace the right or left front driveshaft as necessary, free of charge. Owner notification letters were mailed January 24, 2022. Owners may contact Honda customer service 1-888-234-2138. Honda's numbers for this recall are BBY, NBW, and OBX.
24V06400001/02/2024AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGERHonda (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, Passport, Ridgeline, Accord Hybrid, 2020 Acura MDX, 2022 Acura MDX, 2020-2022 Acura RDX, and 2020-2021 Acura TLX vehicles. The front passenger seat weight sensor may crack and short circuit, failing to suppress the air bag as intended.An air bag that deploys unintentionally during a crash can increase the risk of injury.Dealers will replace the seat weight sensors, free of charge. Owner notification letters were mailed March 28, 2024. This is a phased recall. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for these recalls are XHP and VHQ.
26V33200021/05/2026AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGERHonda (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, 2019-2022 Insight, 2019-2021 HR-V, 2018-2020 Fit, 2020-2022 CR-V Hybrid, 2017-2022 CR-V, 2017-2018, 2021 Civic Type R, 2017-2021 Civic hatchback, 2016-2020 Civic coupe, 2016-2022 Civic, 2017-2022 Accord Hybrid, and 2016-2022 Accord vehicles. The front passenger seat weight sensor may crack and short circuit, which can cause the air bags to deploy unintentionally during a crash.Air bags that deploy unintentionally during a crash increase the risk of injury.Dealers will replace the seat weight sensors, free of charge. Owner notification letters were mailed July 7, 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall are BOL, WO9, OOA, WOM, XOH, NOC, POD, BOE, UOF, POB, EOG, AOI, QO8, TOJ, DO7, and SOK. This recall expands previous NHTSA recall number 24V064. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning May 29, 2026.

Investigations all years →

none listed

FARS occupant deaths all years →

crash_yearsoccupant_deathsmatch_typevpic_recovered
2010-202411legacy-code0

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road.

Cite this

Derived data is CC BY 4.0. Link back to the page you used. Text and BibTeX below.

Wrench.Pro (2026). 2021 Acura RDX vehicle data [dataset]. https://www.wrench.pro/data/vehicles/2021/acura/rdx
@misc{wrenchpro_2021_acura_rdx_2026,
  author = {Wrench.Pro},
  title = {Wrench.Pro vehicle data: 2021 Acura RDX},
  year = {2026},
  howpublished = {\url{https://www.wrench.pro/data/vehicles/2021/acura/rdx}},
  note = {Derived from NHTSA public records. CC BY 4.0.}
}

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