Is the Acura MDX more reliable than the Mazda CX-90?

Yes, by a large margin. The MDX has a good standing, and the CX-90 is rated mixed. Owners filed about 6.7 complaints per 10,000 MDX sold, against 111.2 for the CX-90. The CX-90 also has steering reports tied to five crashes, which the MDX does not have.

Which has more recalls, the MDX or the CX-90?

The MDX has more in total: 31 across eight model years, against 13 across three for the CX-90. The MDX has simply been sold longer. Per model year, the two are close, at roughly four each, so check any specific car's recall status by VIN.

What is the biggest problem with the Mazda CX-90?

Steering. It is the CX-90's top complaint area, with five crash-linked reports. Owners say the wheel binds or feels notchy in turns, locks at full lock, or pulls toward the road edge. None of the reports describe a confirmed fix. Hybrid shutdowns are the next concern.

What goes wrong with the Acura MDX?

Electrical faults lead, with random alarms, flickering lights, and battery drain. Next come a 1 to 2 second pause pulling away from a stop and worn connecting rod bearings that can cause engine failure. Some owners report waits for recall parts. Two electrical reports describe under-hood fires.

Which MDX years should I avoid?

Avoid 2019 and 2020, its weakest years. Those are late third-generation cars. The 2023 model year is among the strongest. The 2026 year also rates well, but it is recent and has had less time to collect complaints, so do not treat it as proven.

Last updated: 2026-10-10

Acura MDX vs Mazda CX-90: Reliability Compared

More Reliable

Acura MDX

Good

Mazda CX-90

Mixed

Reliability favors the Acura MDX over the Mazda CX-90 by a wide margin. The CX-90 has far more owner complaints per car sold, including steering that sticks in turns. The MDX has its own engine and transmission complaints, but they are much less frequent across its longer run.

How Do the Acura MDX and Mazda CX-90 Generations Compare?

Age separates these two. The MDX's third generation ran 2014 to 2020 and got a facelift in 2017. Its weakest years, 2019 and 2020, come from the end of that run. The fourth generation began in 2022 and got a facelift in 2025. Its 2023 model year ranks among the strongest. The CX-90 is a first-generation model sold from 2024, so every year available used is an early year of that cycle. The launch year, 2024, is among its weakest.

Verdict

The Acura MDX is more reliable than the Mazda CX-90, scoring 72/100 vs 58/100.

The more reliable used buy is the Acura MDX, and the gap is large. Owner complaints per car sold are far lower, and its standing is good while the CX-90 sits at mixed. What goes wrong also differs. MDX problems are real, including engine bearing wear and hesitation pulling away, but they have built up over many model years. The CX-90 has collected steering, hybrid shutdown, and driver-assist complaints in only three model years. For a used purchase, the MDX is the safer bet.

Key Differences

1Acura MDX has 104.5 fewer complaints per 10k sold
2Mazda CX-90 has 18 fewer total recalls
3Acura MDX scores 14 points higher in reliability

Category Scoreboard

2Acura MDX

—

1Mazda CX-90

Reliability ScoreTotal RecallsComplaint RateSafety Rating

Acura MDX vs Mazda CX-90: Which Is More Reliable?

Acura MDX vs Mazda CX-90 at-a-glance reliability comparison
Metric	Acura MDX	Mazda CX-90
Reliability Score	72/100	58/100
Years Tracked	8	3
Total Recalls	31	13
Complaints per 10k Sold	6.7	111.2
Safety RatingNHTSA overall	2026 NHTSA	2026 NHTSA
Frontal
Side
Rollover
Year Wins	3	0

What Are the Common Problems With the Acura MDX and Mazda CX-90?

Steering is the CX-90's biggest problem, with five crash-linked complaints. Owners describe a wheel that binds or locks at full lock in turns, and no confirmed fix. The MDX has no steering category among its main problems. The CX-90 also has hybrid shutdowns that strand cars within the first miles of ownership. The MDX's worst reports are different: a 1 to 2 second pause pulling away from a stop, worn connecting rod bearings that can end in engine failure, and random electrical drain. Both models have reports of false or missing collision warnings. Only the CX-90's forward collision area has a crash link.

Acura MDX vs Mazda CX-90 common problem areas comparison
Component	Acura MDX	Mazda CX-90
STEERING	0.2Very Low	31.8High
ELECTRICAL SYSTEM	1.1Low	17.5High
FORWARD COLLISION AVOIDANCE	0.3Very Low	11.5Above Avg
POWER TRAIN	0.9Very Low	8.3Above Avg
UNKNOWN OR OTHER	0.5Very Low	8.7Above Avg
ENGINE	0.7Very Low	6.8Average
VEHICLE SPEED CONTROL	0.3Very Low	6.4Average
VISIBILITY/WIPER	0.1Very Low	4Average
SERVICE BRAKES	0.3Very Low	2.8Low
STRUCTURE	—None	1.6Low
ENGINE AND ENGINE COOLING	0.6Very Low	—None
FUEL SYSTEM	0.2Very Low	—None
FUEL/PROPULSION SYSTEM	0.1Very Low	—None
SUSPENSION	—None	—None
EXTERIOR LIGHTING	—None	—None
AIR BAGS	—None	—None
WHEELS	—None	—None
SEAT BELTS	—None	—None

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

How Does Acura MDX vs Mazda CX-90 Reliability Compare by Year?

Acura MDX vs Mazda CX-90 year-by-year reliability scores
Year	Acura MDX	Mazda CX-90	Edge
2026	79/1000R / 4C	72/1000R / 0C	Acura MDX
2025	76/1002R / 32C	63/1002R / 21C	Acura MDX
2024	79/1001R / 30C	38/10011R / 259C	Acura MDX

Best years to cross-shop: The 2024 Acura MDX scored 79/100 and the 2024 Mazda CX-90 scored 38/100 — the strongest shared model years that have been on the road for at least two years, where available.

Who Should Buy the Acura MDX vs the Mazda CX-90?

Pick the MDX if you want the lower-risk used buy and plan to keep the car for years. Aim for 2023, one of its strongest years. Avoid 2019 and 2020, its weakest. Before you sign, ask whether the connecting rod bearing and fuel pump recalls were completed, because owners describe long waits for parts. Test drive for the pause when pulling away from a stop. Consider the CX-90 only if you want its newer hybrid design and accept the risk. Steering that sticks in turns and hybrid systems that shut down are the main concerns, and no confirmed fix is described. The 2024 model year is among its weakest, so lean toward 2026 or 2025. Newer years have had less time to collect complaints, so a thin record is not proof of a better car. Check every open recall with a dealer and test the steering through left and right turns at moderate speed.

Acura MDX vs Mazda CX-90: Common Questions

Is the Acura MDX more reliable than the Mazda CX-90?: Yes, by a large margin. The MDX has a good standing, and the CX-90 is rated mixed. Owners filed about 6.7 complaints per 10,000 MDX sold, against 111.2 for the CX-90. The CX-90 also has steering reports tied to five crashes, which the MDX does not have.
Which has more recalls, the MDX or the CX-90?: The MDX has more in total: 31 across eight model years, against 13 across three for the CX-90. The MDX has simply been sold longer. Per model year, the two are close, at roughly four each, so check any specific car's recall status by VIN.
What is the biggest problem with the Mazda CX-90?: Steering. It is the CX-90's top complaint area, with five crash-linked reports. Owners say the wheel binds or feels notchy in turns, locks at full lock, or pulls toward the road edge. None of the reports describe a confirmed fix. Hybrid shutdowns are the next concern.
What goes wrong with the Acura MDX?: Electrical faults lead, with random alarms, flickering lights, and battery drain. Next come a 1 to 2 second pause pulling away from a stop and worn connecting rod bearings that can cause engine failure. Some owners report waits for recall parts. Two electrical reports describe under-hood fires.
Which MDX years should I avoid?: Avoid 2019 and 2020, its weakest years. Those are late third-generation cars. The 2023 model year is among the strongest. The 2026 year also rates well, but it is recent and has had less time to collect complaints, so do not treat it as proven.

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How we score the Acura MDX and Mazda CX-90

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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