2020 Acura RDX Engine Problems
- Complaints
- 55about this part
- Share
- 16%of 349 total for the year
- Median mileage
- 5,450miles
- Trend
- FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA recorded 55 complaints about the engine of the 2020 Acura RDX, 16% of the 349 complaints for this model year. Where a mileage was given, the median is 5,450 miles. 1 a fire, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I was accelerating to approximately 55mph to pass a vehicle. As soon as I completed the pass,the engine decelerated to 20 MPH and the check engine light was flashing. Fortunately for us we were able to get the car safely off of the road. We then shut the engine off. Waited about 5 minutes restarted the engine and it ran fine the rest of the way home.”
NHTSA complaint #11362096, filed 2020-09, 9,100 miles“After a stop at the va welcome center, I attempted to merge into traffic on I-81 north. The vehicle suddenly lost power and the check engine light came on. I was able to move to the shoulder and avoid being rear ended. The vehicle was towed to duncan Acura. They determined multiple cases of similar models had the same complaint. This is a known issue that has the potential for loss of life and should be remedited immediately. One online source said Acura has known of this problem since 2016.”
NHTSA complaint #11375011, filed 2020-11, 6,935 miles“On 7/22/2020, I was entering the mass pike from I-495 outside of boston. I accelerated to get around a box truck and suddenly the engine light started flashing and the car started to lose power. No matter how much I stepped on the gas, the car kept losing speed. Thankfully, I was near a rest stop and was able to pull to the shoulder (from the middle lane) and had enough momentum to get the car in the parking lot. Thank goodness it was nighttime and with covid, there aren't as many cars on the road. …”
NHTSA complaint #11341124, filed 2020-07, 3,000 miles“First time occurrence; I am the first time owner and bought my car new. Approximately 1 year and 3 months of ownership. Attempted to merge onto the freeway. Going about 55 MPH and attempted to advance to 65 MPH. Rpms increased to about 4500-5500 but no speed increase. Vehicle made a erving engine sound. Flashing check engine light them came on and again so speed increase with pressing the gas pedal. Car then started slowing down as it was not responding to my foot on the gas. Had to merge onto the side of the road, turn the vehicle off then back on.”
NHTSA complaint #11374368, filed 2020-11, 28,785 miles“I drive a 2020 Acura RDX having 1,840 miles. While driving on the highway on two separate occasions (approximately several months apart), my car had suddenly decelerated. My foot was not on the break at all. The car would not accelerate when applying my foot on the accelerator. Fortunately there was still enough forward motion in the car for me to be able to pull over to the side without incident. After a few seconds, I stepped on the accelerator again and the car had returned to normal operation. I brought the car in to the dealership for service. …”
NHTSA complaint #11303032, filed 2020-01, 1,840 milesRelated service bulletins
- 11023274Sep 17, 2025Service Bulletin - Oil leak at the cam chain tensioner inspection cover due to and insufficient sealant adhesion on the inspection cover.
- 10210096Mar 28, 2022Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on…
- 10206804Jan 21, 2022Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 1 | 3% |
| 2024 | 1 | 8% |
| 2023 | 4 | 17% |
| 2022 | 1 | 3% |
| 2021 | 23 | 20% |
| 2020 | 55 | 16% |
| 2019 | 90 | 20% |
| 2018 | 11 | 14% |
| 2017 | 11 | 14% |
| 2016 | 7 | 17% |
| 2015 | 3 | 1% |
| 2014 | 2 | 1% |
| 2013 | 2 | 1% |
| 2012 | 1 | 7% |
| 2010 | 2 | 9% |
| 2008 | 1 | 3% |
| 2007 | 4 | 8% |
Other parts of the 2020 Acura RDX
102 complaintsVisibility (wipers, defrost, mirrors)
102 complaintsFuel system
37 complaintsElectrical system
27 complaintsBody and structure
26 complaintsBrakes
23 complaintsTransmission and drivetrain
22 complaintsVehicle speed control
19 complaintsAir bags
6 complaintsSuspension
6 complaintsForward collision avoidance
5 complaintsSteering
3 complaints
← All problems reported for the 2020 Acura RDX
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology