NHTSA has 170 owner complaints on file for the 2018 Acura MDX[1]. The engine group is the biggest, with 54 complaints[2].
Most reported problems
Here is how the complaints on file split by component group, biggest first.
- Engine. 54 complaints[2]. In the stories we read, owners describe a car that hesitates or briefly stops when they press the gas, plus ticking noises, a starter that quit at a red light, and stalls where the shifter would not move.
- Electrical System. 28 complaints[6]. Owners describe a rear camera view that stays on the screen after shifting forward, parking sensors that go quiet, and a string of smaller electrical faults on one new car.
- Fuel/Propulsion System. 28 complaints[7]. Owners describe sudden slowdowns on the highway, a delay before the car moves from a stop, and smoke or flames from under the hood in the worst stories.
- Power Train. 23 complaints[8]. Owners describe jerky shifts, a car that stays in one gear, and a pause before it picks up speed.
- Forward Collision Avoidance. 23 complaints[9].
- Fuel System, Gasoline. 23 complaints[10].
- Unknown Or Other. 20 complaints[11].
- Lane Departure. 18 complaints[12].
Recalls
Newest first. Each recall covers only certain vehicles, so not every 2018 MDX is necessarily included.
- Suspension › Rear (26V365), June 2026. About 965,561 vehicles are potentially affected across every model and year the recall names. The recall names these risks: a crash, injury. Dealers do the repair free of charge.[13]
- Air Bags › Sensor › Occupant Classification › Front Passenger (26V332), May 2026. About 98,892 vehicles are potentially affected across every model and year the recall names. The recall names these risks: a crash, injury, an air bag that may not work as intended. Dealers do the repair free of charge.[14]
- Interior Lighting (25V259), April 2025. About 152,800 vehicles are potentially affected across every model and year the recall names. The recall names these risks: a crash, reduced visibility. Dealers do the repair free of charge.[15]
- Fuel System, Gasoline › Delivery › Fuel Pump (23V858), December 2023. About 2,490,460 vehicles are potentially affected across every model and year the recall names. The recall names these risks: a crash, stalling. Dealers do the repair free of charge.[16]
- Engine And Engine Cooling › Engine › Hard Parts Internal/Mechanical (23V751), November 2023. About 248,999 vehicles are potentially affected across every model and year the recall names. The recall names these risks: fire, a crash, injury, stalling. Dealers do the repair free of charge.[17]
- Engine And Engine Cooling › Engine › Gasoline › Belts And Associated Pulleys (19V298), April 2019. About 93,946 vehicles are potentially affected across every model and year the recall names. The recall names these risks: a crash, stalling. Dealers do the repair free of charge.[18]
- Exterior Lighting (19V256), March 2019. About 322,897 vehicles are potentially affected across every model and year the recall names. The recall names these risks: a crash, reduced visibility. Dealers do the repair free of charge.[19]
- Fuel System, Other › Delivery › Fuel Pump (19V060), January 2019. About 437,032 vehicles are potentially affected across every model and year the recall names. The recall names these risks: a crash, stalling. Dealers do the repair free of charge.[20]
- Service Brakes, Hydraulic › Foundation Components › Disc › Caliper (18V777), November 2018. About 64,785 vehicles are potentially affected across every model and year the recall names. The recall names these risks: a crash, reduced braking. Dealers do the repair free of charge.[21]
- Seats (18V221), April 2018. About 5,810 vehicles are potentially affected across every model and year the recall names. The recall names these risks: a crash, injury. Dealers do the repair free of charge.[22]
Fuel economy
EPA ratings depend on the engine and drive. Annual fuel cost uses EPA's current fuel price assumptions, not prices when the car was new.
| Version | City / highway / combined MPG | Annual fuel cost |
|---|---|---|
| MDX FWD, 3.5L 6-cyl, Automatic (S9), Premium, Front-Wheel Drive[23] | 20 / 27 / 23 | $3,550 |
| MDX FWD, 3.5L 6-cyl, Automatic (S9), Premium, Front-Wheel Drive[24] | 19 / 27 / 22 | $3,750 |
| MDX AWD, 3.5L 6-cyl, Automatic (S9), Premium, All-Wheel Drive[25] | 19 / 26 / 22 | $3,750 |
| MDX AWD, 3.5L 6-cyl, Automatic (S9), Premium, All-Wheel Drive[26] | 18 / 26 / 21 | $3,900 |
| MDX Hybrid AWD, 3.0L 6-cyl, Automatic (AM-S7), Premium, All-Wheel Drive[4] | 26 / 27 / 27 | $3,050 |
Safety ratings
Engine and size
These are Canadian-market specifications from Transport Canada, so US models can differ slightly.
| Version | Length | Width | Height | Wheelbase | Curb weight |
|---|---|---|---|---|---|
| MDX 4DR SUV AWD[29] | 196 in | 77 in | 67 in | 111 in | 4,343 lb |
How 2018 compares with other years
Show the numbers
| Model year | Complaints | Recalls |
|---|---|---|
| 2001 | 224 | 4 |
| 2002 | 205 | 4 |
| 2003 | 206 | 11 |
| 2004 | 171 | 8 |
| 2005 | 180 | 11 |
| 2006 | 87 | 9 |
| 2007 | 99 | 0 |
| 2008 | 49 | 0 |
| 2009 | 52 | 0 |
| 2010 | 45 | 1 |
| 2011 | 70 | 0 |
| 2012 | 76 | 1 |
| 2013 | 30 | 1 |
| 2014 | 172 | 8 |
| 2015 | 71 | 8 |
| 2016 | 377 | 7 |
| 2017 | 268 | 9 |
| 2018 | 170 | 10 |
| 2019 | 198 | 9 |
| 2020 | 229 | 8 |
| 2022 | 180 | 3 |
| 2023 | 48 | 3 |
| 2024 | 43 | 3 |
| 2025 | 111 | 4 |
| 2026 | 9 | 1 |
NHTSA's counts for the MDX show 170 complaints and 10 recalls for 2018[3]. Among the 25 model years listed, 13 have fewer complaints than 2018 and 11 have more[3]. The fewest complaints are for 2026 (9) and the most are for 2016 (377)[3]. These counts are not adjusted for sales, so treat them as a rough guide. The chart above shows every year.
Should you buy a used 2018 MDX?
The 2018 Acura MDX has 170 complaints on file[1]. Engine reports lead the list at 54[2], and the pause when accelerating shows up across more than one group[7][8]. The page also shows 10 recalls for this model year[3]. Complaints are unverified reports and are not adjusted for sales[1]. Read the recall list below, check which ones apply to a specific car, and weigh the complaint groups against how you plan to use it.
Frequently asked questions
- What are the most common problems with the 2018 Acura MDX?
- The engine group has the most complaints at 54[2]. Electrical and fuel/propulsion follow with 28 each[6][7].
- Does the 2018 Acura MDX have recalls?
- Yes. The by-year fact shows 10 recalls for this model year[3]. They are listed by code in the Recalls section of this page.
- How many complaints are there for the 2018 Acura MDX?
- NHTSA has 170 owner complaints on file[1]. These are unverified owner reports.
- What is the gas mileage of the 2018 Acura MDX?
- See the fuel economy section of this page for the EPA figures.
- Is the 2018 Acura MDX reliable?
- Complaints are spread over several groups, led by the engine[2]. See the by-year section to compare it with other years of the same model.
Keep exploring
Other model years of the Acura MDX
Compare all model years of the Acura MDX
Other Acura models from 2018
Similar cars from 2018: small suvs
Facts and sources
- NHTSA has 170 owner complaints on file for the 2018 Acura MDX (3 mention a crash, 4 a fire, 3 injuries, 0 deaths reported). NHTSA vehicle records
- 54 complaints name the engine component group (2 crashes, 2 fires, 1 injuries, median mileage at failure 65,000). NHTSA vehicle records
- Owner complaints and recalls for every Acura MDX model year (chart above). NHTSA recall database
- EPA rating for MDX Hybrid AWD, 3.0L 6-cyl, Automatic (AM-S7), Premium, All-Wheel Drive: 26 city / 27 highway / 27 combined MPG; EPA estimated annual fuel cost $3,050. EPA / DOE fueleconomy.gov
- NHTSA 5-Star Safety Ratings, SUV AWD: overall 5 stars, frontal 5 stars, side 5 stars, rollover 4 stars; rollover risk 16.4%. NHTSA vehicle records
- 28 complaints name the electrical system component group (1 crashes, 2 fires, 0 injuries, median mileage at failure 28,500). NHTSA vehicle records
- 28 complaints name the fuel/propulsion system component group (1 crashes, 2 fires, 0 injuries). NHTSA vehicle records
- 23 complaints name the power train component group (0 crashes, 0 fires, 0 injuries, median mileage at failure 40,000). NHTSA vehicle records
- 23 complaints name the forward collision avoidance component group (0 crashes, 0 fires, 0 injuries). NHTSA vehicle records
- 23 complaints name the fuel system, gasoline component group (0 crashes, 0 fires, 0 injuries, median mileage at failure 76,000). NHTSA vehicle records
- 20 complaints name the unknown or other component group (0 crashes, 1 fires, 0 injuries). NHTSA vehicle records
- 18 complaints name the lane departure component group (0 crashes, 0 fires, 0 injuries). NHTSA vehicle records
- Recall 26V365, filed June 4, 2026: Suspension › Rear. NHTSA recall database
- Recall 26V332, filed May 21, 2026: Air Bags › Sensor › Occupant Classification › Front Passenger. NHTSA recall database
- Recall 25V259, filed April 17, 2025: Interior Lighting. NHTSA recall database
- Recall 23V858, filed December 18, 2023: Fuel System, Gasoline › Delivery › Fuel Pump. NHTSA recall database
- Recall 23V751, filed November 13, 2023: Engine And Engine Cooling › Engine › Hard Parts Internal / Mechanical. NHTSA recall database
- Recall 19V298, filed April 12, 2019: Engine And Engine Cooling › Engine › Gasoline › Belts And Associated Pulleys. NHTSA recall database
- Recall 19V256, filed March 28, 2019: Exterior Lighting. NHTSA recall database
- Recall 19V060, filed January 29, 2019: Fuel System, Other › Delivery › Fuel Pump. NHTSA recall database
- Recall 18V777, filed November 1, 2018: Service Brakes, Hydraulic › Foundation Components › Disc › Caliper. NHTSA recall database
- Recall 18V221, filed April 5, 2018: Seats. NHTSA recall database
- EPA rating for MDX FWD, 3.5L 6-cyl, Automatic (S9), Premium, Front-Wheel Drive: 20 city / 27 highway / 23 combined MPG; EPA estimated annual fuel cost $3,550. EPA / DOE fueleconomy.gov
- EPA rating for MDX FWD, 3.5L 6-cyl, Automatic (S9), Premium, Front-Wheel Drive: 19 city / 27 highway / 22 combined MPG; EPA estimated annual fuel cost $3,750. EPA / DOE fueleconomy.gov
- EPA rating for MDX AWD, 3.5L 6-cyl, Automatic (S9), Premium, All-Wheel Drive: 19 city / 26 highway / 22 combined MPG; EPA estimated annual fuel cost $3,750. EPA / DOE fueleconomy.gov
- EPA rating for MDX AWD, 3.5L 6-cyl, Automatic (S9), Premium, All-Wheel Drive: 18 city / 26 highway / 21 combined MPG; EPA estimated annual fuel cost $3,900. EPA / DOE fueleconomy.gov
- NHTSA 5-Star Safety Ratings, SUV FWD: overall 5 stars, frontal 5 stars, side 5 stars, rollover 4 stars; rollover risk 16.4%. NHTSA vehicle records
- NHTSA 5-Star Safety Ratings, SUV AWD: overall 5 stars, frontal 5 stars, side 5 stars, rollover 4 stars; rollover risk 16.4%. NHTSA vehicle records
- Transport Canada specifications via NHTSA vPIC, MDX 4DR SUV AWD: length 196 in, width 77 in, height 67 in, wheelbase 111 in, curb weight 4,343 lb (converted from centimeters and kilograms). vpic.nhtsa.dot.gov