Is the Lexus RX more reliable than the Acura ZDX?

Yes, by a slight margin. Both earn an excellent standing, but the RX has far fewer owner complaints per car sold and a record spanning nine model years. The ZDX has only two model years, and owners report braking faults early, some at a few hundred miles.

Which has more recalls, the RX or the ZDX?

The RX has more. Federal recall records show 42 recalls across its nine model years, against 4 across the two ZDX model years. The RX has been on the road much longer, so its recalls have had more time to pile up.

What is the most common problem on the Acura ZDX?

Braking. Service brakes lead with 13 complaints. Drivers describe a pedal sinking to the floor, a car lunging forward at low speed, and brake assist warnings. Emergency braking that stops the car with nothing ahead is also reported. Dealers often find no stored codes.

Does the Lexus RX have serious safety complaints?

Air bags are its top problem area, with 11 crash-linked reports. The main concern is airbags that did not deploy. Electrical faults, brake actuator noise, and surging while parking also appear with crash links. Check repair history on any RX you consider.

Last updated: 2026-10-10

Acura ZDX vs Lexus RX: Reliability Compared

Acura ZDX

Excellent

More Reliable

Lexus RX

Excellent

Between the Lexus RX and Acura ZDX, the RX comes out slightly ahead on reliability. Owners filed far fewer complaints per car sold on the RX. The ZDX draws braking and emergency-braking complaints early in life, while the RX carries a long recall list across nine model years.

How Do the Acura ZDX and Lexus RX Generations Compare?

Late fourth-generation cars are the likeliest RX purchases. That generation ran from the 2016 to the 2022 model year, and a facelift arrived for 2019, which is also one of the weakest years in the data. The fifth generation began with the 2023 model year. Within the fourth generation, 2022 is a strong year to target. The ZDX has only two model years, 2024 and 2025, both in its second generation. The first-generation ZDX ended in 2013. Both recent ZDX years are young, so their complaint counts are still building.

Verdict

The Lexus RX is more reliable than the Acura ZDX, scoring 86/100 vs 82/100.

Reliability favors the RX, but only slightly. Both cars hold an excellent standing, so the gap is narrow. The deciding fact is the complaint rate. Owners filed far fewer complaints per car sold on the RX, at 7.5 per 10,000 against 73.6 for the ZDX. The RX also has a record across nine model years, while the ZDX has two years of data and already shows braking faults at low mileage. The RX does carry many more recalls, which keeps its lead small.

Key Differences

1Lexus RX has 66.1 fewer complaints per 10k sold
2Acura ZDX has 38 fewer total recalls
3Lexus RX scores 4 points higher in reliability

Category Scoreboard

1Acura ZDX

—

2Lexus RX

Reliability ScoreTotal RecallsComplaint RateSafety Rating

Acura ZDX vs Lexus RX: Which Is More Reliable?

Acura ZDX vs Lexus RX at-a-glance reliability comparison
Metric	Acura ZDX	Lexus RX
Reliability Score	82/100	86/100
Years Tracked	2	9
Total Recalls	4	42
Complaints per 10k Sold	73.6	7.5
Safety RatingNHTSA overall	2025 NHTSA	2026 NHTSA
Frontal
Side
Rollover
Year Wins	1	1

What Are the Common Problems With the Acura ZDX and Lexus RX?

Braking defines the ZDX, while RX complaints spread across safety systems and the drivetrain. ZDX drivers describe a pedal sinking to the floor and emergency braking that slams on with nothing ahead, both forward and in reverse. RX air bag reports lead, mostly bags that did not deploy. Next come sudden power loss into reduced engine power, brake actuator noise, stalling tied to a fuel pump recall, and harsh shifting. Crash links differ too. The RX has crash-linked reports in all five of its main areas, with 11 in air bags. The ZDX has one, a car that rolled backward after the driver selected Park.

Acura ZDX vs Lexus RX common problem areas comparison
Component	Acura ZDX	Lexus RX
SERVICE BRAKES	21.3High	0.2Very Low
UNKNOWN OR OTHER	13.1Above Avg	0.6Very Low
ELECTRICAL SYSTEM	11.5Above Avg	0.5Very Low
FORWARD COLLISION AVOIDANCE	11.5Above Avg	—None
BACK OVER PREVENTION	4.9Average	—None
POWER TRAIN	3.3Average	0.2Very Low
AIR BAGS	—None	0.8Very Low
FUEL/PROPULSION SYSTEM	—None	0.2Very Low
STRUCTURE	—None	0.2Very Low
ENGINE	—None	0.2Very Low
FUEL SYSTEM	—None	0.1Very Low
TIRES	—None	0.1Very Low
VEHICLE SPEED CONTROL	—None	0.1Very Low
VISIBILITY/WIPER	—None	0.1Very Low
SEAT BELTS	—None	—None
STEERING	—None	—None
LANE DEPARTURE	—None	—None

Complaints per 10,000 units sold, aggregated across all tracked model years from NHTSA owner reports.

How Does Acura ZDX vs Lexus RX Reliability Compare by Year?

Acura ZDX vs Lexus RX year-by-year reliability scores
Year	Acura ZDX	Lexus RX	Edge
2025	88/1000R / 0C	83/1005R / 9C	Acura ZDX
2024	76/1004R / 45C	85/1009R / 48C	Lexus RX

Best years to cross-shop: The 2024 Acura ZDX scored 76/100 and the 2024 Lexus RX scored 85/100 — the strongest shared model years that have been on the road for at least two years, where available.

Who Should Buy the Acura ZDX vs the Lexus RX?

Pick the RX if you want the longer track record and the lower complaint rate. Target the 2022 model year, one of its strongest. Skip 2019 and 2025, its two weakest years. On a test drive, listen for honking or barking from the brakes when you first press the pedal. Ask for repair records, since harsh shifting and power-loss warnings recur in owner reports. Pick the ZDX only if you accept a car with little history. It has just the 2024 and 2025 model years, and its complaints show up early, some within a few hundred miles. Use a long test drive to check low-speed braking, reversing, and the automatic emergency braking. Dealers often could not reproduce these faults, so ask to see service history and any stored warnings before you sign.

Acura ZDX vs Lexus RX: Common Questions

Is the Lexus RX more reliable than the Acura ZDX?: Yes, by a slight margin. Both earn an excellent standing, but the RX has far fewer owner complaints per car sold and a record spanning nine model years. The ZDX has only two model years, and owners report braking faults early, some at a few hundred miles.
Which has more recalls, the RX or the ZDX?: The RX has more. Federal recall records show 42 recalls across its nine model years, against 4 across the two ZDX model years. The RX has been on the road much longer, so its recalls have had more time to pile up.
What is the most common problem on the Acura ZDX?: Braking. Service brakes lead with 13 complaints. Drivers describe a pedal sinking to the floor, a car lunging forward at low speed, and brake assist warnings. Emergency braking that stops the car with nothing ahead is also reported. Dealers often find no stored codes.
Does the Lexus RX have serious safety complaints?: Air bags are its top problem area, with 11 crash-linked reports. The main concern is airbags that did not deploy. Electrical faults, brake actuator noise, and surging while parking also appear with crash links. Check repair history on any RX you consider.

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Decided between Acura ZDX and Lexus RX? Run a VIN check before you buy — uncover hidden accidents, title issues, and open recalls.

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How we score the Acura ZDX and Lexus RX

Scores weight complaint severity at 35%, repair costs at 30%, recall impact at 20%, and the spread of complaints across systems at 15%, with complaint counts adjusted for US sales. Read the full methodology.

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