The Lane Check

CarsAcura › MDX › 2018

2018 Acura MDX: engine and transmission complaints

HIGH COMPLAINT SIGNAL
51%
81 of 164 relevant owner complaints are about the engine, transmission or fuel system

51% of relevant owner complaints filed with NHTSA on the 2018 Acura MDX are about the engine, transmission or fuel system. That is a model-level pattern, not bad luck.

Worse than 67% of the 1,230 model years we track (2010–2023).

NHTSA data checked September 13, 2026
Share this car

Looking at a specific MDX?Check its VIN: the full report, quotes about its own engine, and whether its recalls are still open. First report free.

Check a VIN
Drivetrain complaints
81
engine, transmission, fuel
Total complaints
164
this model year
Fires reported
4
owner-reported
Recall campaigns
10
3 crashes · 3 injuries

Complaints by component

ENGINE35 · 21%
FUEL/PROPULSION SYSTEM28 · 17%
ELECTRICAL SYSTEM27 · 16%
POWER TRAIN23 · 14%
FUEL SYSTEM22 · 13%
GASOLINE22 · 13%

The years either side

2010
43%
16 of 45
2011
54%
34 of 70
2012
58%
37 of 76
2013
46%
11 of 29
2014
36%
55 of 170
2015
33%
20 of 70
2016
74%
262 of 371
2017
64%
156 of 253
2018
51%
81 of 164
2019
56%
100 of 185
2020
56%
116 of 218
2021
no data
2022
55%
91 of 171
2023
39%
17 of 44

Manufacturers fix things mid-generation. A bad year next to a clean one is common; the fix usually arrived in between.

Cleaner alternatives

Other luxury SUVs with no elevated signal

The percentage is each model year's drivetrain complaint share. No elevated signal describes the model year, not any one car; a well-kept example of a flagged model can still be the right buy, and any of these still needs an inspection.

What owners reported

ENGINE04/19/2024FIRE1 INJURED
The contact owned a 2018 Acura MDX. The contact stated that while the vehicle was parked in a garage there was a sudden odor of smoke. The contact stated upon discovering the smoke the contact noticed fumes and flames coming from the engine compartment. The contact stated the vehicle was unoccupied at the time of the f…
ENGINE AND ENGINE COOLING08/24/2026
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…
POWER TRAIN,ELECTRICAL SYSTEM,ENGINE07/10/2026
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 …

Three of 81 drivetrain complaints. The full report shows more, with quotes about the engine in the car you are looking at first.

Recall campaigns on this model year (10)

FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
Honda (American Honda Motor Co.) is recalling certain 2016-2018 Acura MDX, 2015-2019 Acura TLX and 2015-2017 Honda Accord vehicles, equipped with a 3.5L V6 engine. Parti…
EXTERIOR LIGHTING:TAIL LIGHTS
Honda (American Honda Motor Co.) is recalling certain 2014-2019 Acura MDX and 2017-2019 Acura MDX Sport Hybrid vehicles. Moisture may enter the tailgate lid lights, possi…
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 Ridgeli…

This does not say whether a particular car has an open, unrepaired recall. That depends on the VIN.

Before you buy a 2018 Acura MDX

Have the VIN?Paste it and get the full report for that car. First report free, then a 30-day pass covers a whole car search.

Check a VIN

Experimental model-level information. This is not a vehicle inspection, vehicle-history report, financial advice or purchase recommendation. It describes patterns across a model year, not the condition of any individual vehicle.