Free. Instant. No signup. Pulls recalls and complaints for your exact vehicle.

Couldn't find that VIN. Check the digits and try again.

ProblemsByVin File / 2021-ACURA-RDX NHTSA data synced 9 hours ago
2021 · Acura

Acura RDX problems

100 owner complaints and 1 active recall campaign on file. Here's the breakdown — what's serious, what's noise, what a working mechanic would actually do about it.

0 5 10
Reliability score
7.6 / 10

Solid reliability overall. Common issues are concentrated in a few systems.

0
Critical
1
Severe
0
Moderate
Should you avoid this 2021 RDX?
Generally reliable

Buyable on the data — keep up the usual maintenance and inspect normally.

Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.

Embed this reliability snapshot

Free to use on your site, post, or video — keep the link back. Preview the widget →

<iframe src="https://problemsbyvin.com/embed/reliability/2021-acura-rdx/" width="100%" height="340" style="border:1px solid #e2e8f0;border-radius:8px;max-width:640px" title="2021 Acura RDX reliability snapshot" loading="lazy"></iframe>

Top trouble spots 8 categories with 3+ complaints

visibility
14 reports · fails ~51,308 mi · avg $350
moderate
airbags
10 reports · avg $1,100
moderate
brakes
10 reports · avg $450
severe
body
9 reports · fails ~3,100 mi · avg $1,500
severe
powertrain
8 reports · fails ~128,000 mi · avg $2,500
moderate
cruise control
6 reports · avg $600
severe
electrical
6 reports · avg $850
moderate
engine
4 reports · avg $3,100
moderate
Buyer's checklist
Going to look at one? Use the pre-purchase inspection list.
Generated from this 2021 RDX's actual NHTSA complaint history — every item points at a documented failure pattern on this exact vehicle, not generic walkaround filler.
See the checklist ->
Honest Calculator
Should you buy an extended warranty on this 2021 RDX?
We pulled the math: risk-weighted exposure, typical contract cost, and our verdict on whether coverage pencils out for this specific vehicle.
See the calculator ->

What owners are saying recent NHTSA-filed complaints · verbatim

2021 RDX · cruise control
On 12/22/22, I was driving in a 2021 RDX SH-AWD with my pregnant wife and 2 year old son from Media PA to Pittsburgh PA . It was rainy and 35-40 degrees F the whole drive. Approximately 4 hours into the drive we stopped at a rest stop on the PA turnpike to get gas. While…
2021 RDX · visibility
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. The…
12/22/2021 · at 5,539 mi · NHTSA ODI #11444658.0 · see visibility pattern →
2021 RDX · brakes
After dealer (worldwide motors Ltd also call (Paragon Acura) 33-40 57th street, Woodside, NY 11377)replaced front and rear brake pads and rotors, my vehicle experienced unintended acceleration while stopped. While idling at a red light with my foot firmly on the brake pedal, the…
2021 RDX · suspension
Tl* the contact owns a 2021 Acura rdx. The contact stated that while driving, she heard a clunking and rattling sound coming from the front passenger's side wheel well area. During acceleration and stopping, the contact heard a popping sound coming from the rear wheels. The…
12/16/2020 · NHTSA ODI #11383623.0
View all 100 owner complaints →
Had a problem with your 2021 Acura RDX? File a complaint with NHTSA → It's free and official — owner filings are what build the federal safety record behind this page.

Estimate your repair exposure

Drag to your current mileage. Numbers are derived from this vehicle's complaint history.

0 mi 200k mi
At 80,000 miles
Likely repair cost in next 24 months
$0

Active recalls showing 1 of 1

severe NHTSA 21V939000 December 2, 2021

Honda (American Honda Motor Co

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.

Fix: 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.

Common questions

Is the 2021 Acura RDX reliable?

Mostly yes. With a reliability score of 7.6 out of 10 based on 100 owner complaints filed with NHTSA, the 2021 Acura RDX is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.

Should you avoid the 2021 Acura RDX?

On the NHTSA data, the 2021 Acura RDX does not need avoiding. Buyable on the data — keep up the usual maintenance and inspect normally. The record behind that call: No systemic severe-failure pattern in the complaint record; Reliability score 7.6/10 — above the segment average; 1 recall campaign on file. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.

What's the most common problem on the 2021 Acura RDX?

Based on NHTSA records, the most-reported issue is visibility, with 14 complaints filed. Typical failure occurs around 51,308 miles. Average repair cost runs about $350 at an independent shop.

What's the most expensive thing that goes wrong?

The visibility is one of the costlier repair items. Average repair cost runs about $350 at an independent shop. Typical failure occurs around 51,308 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.

How do I check if my Acura RDX has open recalls?

Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.

Is an extended warranty worth it on a 2021 Acura RDX?

Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 100 complaints on file and the costliest repair averaging $350, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.

Related

Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database, last synced 9 hours ago. Verify the raw federal record at nhtsa.gov/vehicle/2021/Acura/RDX. Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics. We are not affiliated with Acura. Some links on this page are affiliate links and we may earn a commission if you complete a quote or purchase.
Get a free warranty quote →
Sponsored — we earn a commission if you complete a quote. Disclosure.