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2018 GMC Canyon problems: engine and transmission complaints and recalls

VERY HIGH COMPLAINT SIGNAL
76%
35 of 46 relevant owner complaints are about the engine, transmission or fuel system

76% of relevant owner complaints filed with NHTSA on the 2018 GMC Canyon 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 96% of the 1,789 model years we track (2010–2023).

Excludes 6 airbag, lighting and seat-belt recall complaints that would otherwise mask the signal (unadjusted: 67%).

NHTSA data checked October 3, 2026
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Does the 2018 GMC Canyon have transmission problems?

Owner complaints say yes, heavily, as a model-year pattern. 35 of 46 relevant complaints filed with NHTSA about the 2018 GMC Canyon concern the engine, transmission or fuel system (76%), and the largest group is filed under power train (27). For comparison, the 2017 scores 54%. On a test drive, check for shuddering, slipping, delayed or harsh shifts, or a whine at speed. 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
35
engine, transmission, fuel
Total complaints
52
this model year
Fires reported
0
owner-reported
Recall campaigns
1
2 crashes · 1 injuries

Complaints by component

POWER TRAIN27 · 52%
ELECTRICAL SYSTEM10 · 19%
ENGINE6 · 12%
UNKNOWN OR OTHER5 · 10%
STEERING4 · 8%
FUEL/PROPULSION SYSTEM4 · 8%

The years either side

2010
too few complaints
2011
too few complaints
2012
16%
4 of 29
2013
no data
2014
no data
2015
19%
59 of 321
2016
24%
64 of 270
2017
54%
34 of 66
2018
76%
35 of 52
2019
too few complaints
2020
too few complaints
2021
too few complaints
2022
38%
9 of 26
2023
27%
15 of 62

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

Cleaner alternatives

Same car, a better year

Other midsize pickups with no elevated signal in 2018

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

STEERING,POWER TRAIN07/30/2026
On many occasions, over several years of ownership, ''NEW in 2018, the trans has had violent shift Problems. I could only find 1, ONE instance where a person was "injured'' by ANY of the GM 8L transmissions. My neck is hurting Now. I'm compelled to do this for Others who been Scammed by GM as they still sell a 8 speed …
VEHICLE SPEED CONTROL,UNKNOWN OR OTHER,FUEL/PROP03/25/2026
The warning light is saying engine power reduced having to do with the DEF system
POWER TRAIN02/21/2026
This is a known problem with GMC and Chevy trucks, known as the Rumble. At approximately 45mph and up, the truck feels like it’s going over rumble strip and the back end is slipping. This causes the steering wheel and truck to shake. It could result in the loss of control if it gets too bad. I took it in for diagnost…

Three of 35 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 GMC Canyon (1)

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
General Motors LLC (GM) is recalling certain 2015-2018 GMC Canyon, 2016-2017 Buick Envision, 2016-2018 Chevrolet Colorado and Malibu, 2017-2018 GMC Acadia, 2018 Buick LaC…

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

Before you buy a 2018 GMC Canyon

Questions people ask about the 2018 GMC Canyon

Does the 2018 GMC Canyon have transmission problems?

Owner complaints say yes, heavily, as a model-year pattern. 35 of 46 relevant complaints filed with NHTSA about the 2018 GMC Canyon concern the engine, transmission or fuel system (76%). Before buying one, have an independent mechanic check the transmission and ask the seller whether it has been repaired or replaced.

Are there engine or transmission recalls on the 2018 GMC Canyon?

NHTSA lists 1 recall campaign on the 2018 GMC Canyon. Whether a specific car still has one open depends on its VIN.

Which GMC Canyon years are better?

Among the GMC Canyon years we track, the 2012 (16%), the 2015 (19%) and the 2016 (24%) have a lower engine and transmission complaint share than the 2018 (76%). Manufacturers fix things mid-generation, so the year before or after can be a different car.

Should I buy a 2018 GMC Canyon?

That depends on the car in front of you, not just the model year. The 2018 GMC Canyon has an elevated transmission complaint pattern, so treat it as a car that needs proof: service records showing transmission work, a cold-start test drive, and an independent pre-purchase inspection focused on the transmission. 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.