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2018 Acura TLX problems: engine and transmission complaints and recalls

VERY HIGH COMPLAINT SIGNAL
63%
57 of 90 relevant owner complaints are about the engine, transmission or fuel system

63% of relevant owner complaints filed with NHTSA on the 2018 Acura TLX are about the engine, transmission or fuel system. Well over half of everything owners reported is the drivetrain. That is a severe model-level pattern; every model year we track at this level has a documented failure behind it.

Worse than 85% of the 1,789 model years we track (2010–2023).

Excludes 4 airbag, lighting and seat-belt recall complaints that would otherwise mask the signal (unadjusted: 61%).

NHTSA data checked October 3, 2026
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Does the 2018 Acura TLX have engine problems?

Owner complaints say yes, heavily, as a model-year pattern. 57 of 90 relevant complaints filed with NHTSA about the 2018 Acura TLX concern the engine, transmission or fuel system (63%), and the largest group is filed under engine (30). For comparison, the 2017 scores 72% and the 2019 scores 63%. On a test drive, check for stalling, loss of power, rough idle, oil consumption or a check-engine light. This describes the model year, not any one car: a well-maintained or already-repaired example can be fine, and a clean model year can still have a bad car in it.

Drivetrain complaints
57
engine, transmission, fuel
Total complaints
94
this model year
Fires reported
1
owner-reported
Recall campaigns
4
3 crashes · 2 injuries

Complaints by component

ENGINE30 · 32%
ELECTRICAL SYSTEM20 · 21%
FUEL/PROPULSION SYSTEM14 · 15%
UNKNOWN OR OTHER13 · 14%
ENGINE AND ENGINE COOLING11 · 12%
POWER TRAIN11 · 12%

The years either side

2010
no data
2011
no data
2012
too few complaints
2013
no data
2014
no data
2015
71%
234 of 342
2016
56%
60 of 110
2017
72%
51 of 71
2018
63%
57 of 94
2019
63%
57 of 92
2020
55%
33 of 63
2021
70%
66 of 102
2022
59%
20 of 34
2023
too few complaints

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 sedans 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

POWER TRAIN,VEHICLE SPEED CONTROL08/06/2024CRASH1 INJURED
The contact owns a 2018 Acura TLX. The contact stated that after refueling and attempting to park in a parking space, the vehicle experienced a sudden acceleration. The contact mentioned that no safety features were activated. As a result, the contact crashed into a pillar where the vehicle came to a stop and prevented…
ENGINE,FUEL/PROPULSION SYSTEM06/06/2026
Driving car and suddenly all the lights on the dash light up and car goes into “limp” mode. Upon pulling over turning car off and turning back on lights are all still lit up. Plug car into obd2 scanner and car is showing code p0087 low fuel rail pressure. This is extremely dangerous as the car will randomly do this and…
ENGINE05/27/2026
I bought my 2018 Acura TLX a-spec V6 in Nov. 2021, certified pre-owned from an Acura dealer. It had warranty through 100k miles. At just under 70k miles, around mid-2023 I believe, the engine seized and would not start. Warranty covered engine replacement. This was just around the time of the 3.6L V6 engine recall. I w…

Three of 57 drivetrain complaints. The full report shows more, with quotes about the engine in the car you are looking at first.

Recall campaigns on the 2018 Acura TLX (4)

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…
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 v…
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, Acu…

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

Before you buy a 2018 Acura TLX

Questions people ask about the 2018 Acura TLX

Does the 2018 Acura TLX have engine problems?

Owner complaints say yes, heavily, as a model-year pattern. 57 of 90 relevant complaints filed with NHTSA about the 2018 Acura TLX concern the engine, transmission or fuel system (63%). Before buying one, have an independent mechanic check the engine and ask the seller whether it has been repaired or replaced.

Are there engine or transmission recalls on the 2018 Acura TLX?

NHTSA lists 4 recall campaigns on the 2018 Acura TLX. Whether a specific car still has one open depends on its VIN.

Which Acura TLX years are better?

Among the Acura TLX years we track, the 2020 (55%), the 2016 (56%) and the 2022 (59%) have a lower engine and transmission complaint share than the 2018 (63%). Manufacturers fix things mid-generation, so the year before or after can be a different car.

Should I buy a 2018 Acura TLX?

That depends on the car in front of you, not just the model year. The 2018 Acura TLX has an elevated engine complaint pattern, so treat it as a car that needs proof: service records showing engine work, a cold-start test drive, and an independent pre-purchase inspection focused on the engine. A well-kept or already-repaired example can be a fine car; an unknown one is a gamble.

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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.