2018 Acura MDX: True Cost, Problems & Verdict
164 NHTSA owner complaints · 10 recalls · data-computed verdict. No opinions — public data only.
Editor's note
Avoid the 2016 to 2020 MDX, where the 2016 scores 49 on 367 complaints and the 2020 scores 47 on 215, with the 2017 to 2019 CAUTION at 58, 66 and 59, and avoid the 2025 at 39 on 94 complaints in its first year. Buy a 2011 to 2013, which score 95, 92 and 94 on 70, 76 and 29 complaints, or a 2015 at 80. Read the full note on the model page. 2018 specifically: this is one of the years the note above says to approach with care — 164 complaints on record, verdict CAUTION.
Read the guide
Used Acura MDX, RDX and TLX: the years to avoid, including 2018 — written and signed by Adir Trabelsi, 2026-09-16.
Owner complaints: 164 filed with NHTSA
Complaints per year on the road: 20.5
What owners say
Verbatim reports filed with the United States safety regulator (NHTSA) by owners of this exact model year. Public record.
driver seat rocking. Acura stated 2018 recall for this issue was vin number specific and does not include my vehicle however this is the issue with my driver seat. they advise repairs at my expense.
The contact owns a 2018 Acura MDX. The contact stated that while driving at various speeds, the vehicle went into LIMP Mode and failed to exceed 35-60 MPH. The check engine warning light was flashing. The driver pulled over to the side of the road. The vehicle was restarted, reset, and operated as intended. The vehicle was taken to the dealer, where the failure could not be duplicated, and the failure persisted. The …
Transmission failed and light appeared. Speed reduced from 30 to 15. Acura stated they had to reset computer system and claimed when they started the car no lights shown and was able to reverse car. I was unable to reverse car, struggled and tugged feeling in the car. This is the 2nd time and they always repeat same solution no lights appeared and to reset system.
Recalls: 10 campaigns (4 severe)
| Campaign | Component | Summary |
|---|---|---|
| 18V777000 | Service Brakes, Hydraulic:Foundation Components:Disc:Caliper | Honda (American Honda Motor Co.) is recalling certain 2017-2019 Acura MDX, 2017-2018 Acura MDX Sport Hybrid, 2018-2019 Honda HR-V and Honda Odyssey, and 2016 Honda HR-V vehicles. The rear brake caliper pistons may have an insufficient coating, causing gas pockets to form, reducing brake performance. |
| 26V365000 | Structure:Frame And Members | American Honda Motor Company (Honda) is recalling certain 2016-2022 Honda Pilot, 2017-2023 Ridgeline, 2019-2023 Passport, and 2014-2020 Acura MDX vehicles that were sold in Connecticut, Delaware, District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio,… |
| 18V221000 | Seats | Honda (American Honda Motor Co.) is recalling certain 2018 Honda Pilot and Ridgeline vehicles and 2018 Acura MDX vehicles. The front driver and passenger powered seats in the Honda vehicles and the driver powered seats in the Acura vehicles may have been assembled with improperly manufactured rivets. |
| 19V298000 | Engine And Engine Cooling:Engine:Gasoline:Belts And Associated Pulleys | Honda (American Honda Motor Co.) is recalling certain 2018-2019 Acura MDX and Honda Pilot vehicles and 2019 Acura RLX, RLX Sport Hybrid, TLX and Honda Odyssey and Ridgeline vehicles. The timing belt teeth may separate from the belt. |
| 23V751000 | Engine And Engine Cooling:Engine:Hard Parts Internal/Mechanical | Honda (American Honda Motor Co.) is recalling certain 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2016 and 2018-2019 Pilot, 2017 and 2019 Ridgeline, and 2018-2019 Odyssey vehicles. Due to a manufacturing error, the connecting rod bearing in the engine may wear and seize, damaging the engine. |
| 25V259000 | Exterior Lighting | Honda (American Honda Motor Co.) is recalling certain 2014-2020 Acura MDX vehicles. Moisture may enter the tailgate lid light assembly and wiring harness, which can cause the interior and exterior lights to fail, including the lid lights, position lights, license plate lights and taillights. |
| 23V858000 | Fuel System, Gasoline:Delivery:Fuel Pump | Honda (American Honda Motor Co.) is recalling certain 2013-2023 Honda Accord, Civic Coupe, Civic Sedan, Civic Hatchback, Civic Type R, CR-V, HR-V, Ridgeline, Odyssey, Acura ILX, MDX, MDX Hybrid, RDX, RLX, TLX, 2019-2022 Honda Insight, Passport, 2020 Honda CR-V Hybrid, 2018-2019 Honda Clarity PHEV, Fit, and 2015-2020 Honda Accord Hybrid, Pilot, Acura NSX… |
| 26V332000 | Air Bags:Sensor:Occupant Classification:Front Passenger | Honda (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… |
What it costs to buy — and what owning it really takes
Class-level estimates, priced as a mid-size premium car of its model year, re-priced to your country. Not a quote, not a valuation of one specific car — condition, mileage and options move it. How these are computed.
What it costs to run
EPA combined 22 MPG · estimated annual fuel cost $3,450
Re-priced automatically from your country's retail fuel, electricity and parts indices — change country in the bar at the top. Estimates; see methodology.
What this car's problems cost to fix
Ranked by the components owners of this exact model year actually complain about. Each figure is flat-rate labour hours x the local shop rate plus a parts band — an estimate of what this kind of failure costs, not a quote, and not a prediction that this car will need it. Formula.
- Engine35 complaints · typical job: Cooling-system or timing-drive repair (6.0 h labour + parts)$1,040–$2,220
- Fuel/Propulsion System28 complaints · typical job: Fuel pump or injector replacement (3.5 h labour + parts)$680–$1,620
- Electrical System27 complaints · typical job: Alternator, battery-drain or body-module diagnosis and replacement (3.0 h labour + parts)$540–$1,310
- Power Train23 complaints · typical job: Transmission service or clutch-pack repair (7.0 h labour + parts)$1,290–$4,040
- Fuel System22 complaints · typical job: Fuel pump or injector replacement (3.5 h labour + parts)$680–$1,620
- Gasoline22 complaints · typical job: Fuel delivery and emissions repair (3.0 h labour + parts)$580–$1,360
Other Acura MDX years
FAQ
What is the most common problem with the 2018 Acura MDX?
The most-reported issue in NHTSA complaint data is Engine (35 complaints in our indexed sample).
Is the 2018 Acura MDX a good used car to buy?
Our data verdict is CAUTION with a reliability score of 66/100, computed from 164 NHTSA complaints and 10 recall campaigns. See the verdict card for the top reasons.
How much does it cost to fix the 2018 Acura MDX's most common problem?
35 of the NHTSA complaints filed against the 2018 Acura MDX sit in the Engine group — more than any other component on this model year. The representative job there is cooling-system or timing-drive repair: about 6.0 hours of labour plus parts, roughly $1,040–$2,220 at a US independent shop and re-priced to your country at the top of the page. It is an estimate of what this class of failure costs, not a quote for this car.
What does a 2018 Acura MDX cost to run per year?
About $5,629 a year in fuel or energy plus the maintenance band — roughly $28,148 over five years, before purchase price, insurance and depreciation. Figures come from available EPA fuel-economy data and industry maintenance averages, and are re-priced to your country.
Does the 2018 Acura MDX have recalls?
Yes — NHTSA lists 10 recall campaign(s) for the 2018 Acura MDX, 4 of them touching fire, crash or stall risk, the most recent recorded 01/11/2018. Check this car's VIN at nhtsa.gov/recalls before you buy.
Compare with
Other luxury midsizes of about the same age.
What will a 2018 Acura MDX really cost YOU per year?
Fuel, maintenance band and depreciation — computed from public data in 10 seconds.
Open the true-cost calculatorData sources
Complaints & recalls: NHTSA ·
Fuel economy: EPA fueleconomy.gov ·
Scoring: our published methodology.
Maintenance bands are industry-average estimates (AAA Your Driving Costs, CarMD index) — labeled estimates, not measurements.
Last updated: 2026-10-04.
Strong evidence — 164 complaints, 10 recalls on record
- 164 NHTSA complaints on record (20.5/yr of exposure) — in line with a typical year of this model (19.8/yr)
- 10 recall campaigns, 4 touching safety-critical systems