How many engine complaints does the 2018 GMC Sierra 1500 have?

NHTSA lists 81 engine complaints for the 2018 Sierra 1500, which is 25% of the 321 total complaints filed for that model year.

At what mileage do engine problems typically show up on the 2018 Sierra 1500?

The median mileage at failure reported to NHTSA for engine complaints is 58,750 miles.

Is there an engine recall for the 2018 GMC Sierra 1500?

No engine recall is listed for this component area in the data, though some owners mention delays getting parts for a separate campaign, 19V328000.

What engine symptoms do owners report most on the 2018 Sierra 1500?

Owners describe fuel injector seal leaks, rough gear-shift bucking, stalling with trouble code P2635, and radiator coolant leaks causing overheating readings.

Were there any crashes, fires, or injuries linked to these engine complaints?

NHTSA data shows 0 crashes, 0 fires, and 0 injuries among the 81 engine complaints for the 2018 Sierra 1500.

2018 GMC Sierra 1500 Engine Problems

NHTSA lists 81 engine complaints for the 2018 GMC Sierra 1500, 25% of that year's 321 total complaints. Median mileage at failure was 58,750. No engine recall is currently listed for this specific area, though owners reference a separate campaign (19V328000).

Engine complaints: 81; 25% of 321
Crashes reported: 0
Fires reported: 0
Injuries reported: 0
Median mileage: 58,750 mi
Related recalls: 0

Typical engine symptoms owners report

Fuel injection O-ring seals split and leak fuel onto the engine manifold, sometimes under 6,000 miles, causing a gas smell and reduced acceleration.
Engine bucks, surges, or bangs hard when switching gears, including a forward surge while stopped.
Vehicle stalls after long idle or driving periods and struggles to restart, with trouble code P2635 appearing, especially in hot ambient conditions.
Temperature gauge shows overheating with no warning light, traced to a leaking radiator that needs coolant added or full replacement.
Owners report a recall (campaign 19V328000) for the engine where replacement parts were unavailable for an extended period.

When 2018 GMC Sierra 1500 engine complaints were filed

First complaint Nov 21, 2018, latest Sep 21, 2026.

81 complaints filed with NHTSA from Nov 2018 to Sep 2026; peak Jun 2025 (6).

Engine recalls for the 2018 GMC Sierra 1500

No safety recalls on record for this model year.

Engine complaints by Sierra 1500 model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

200540 (13%)
200610 (5%)
200733 (10%)
200824 (5%)
200934 (12%)
201022 (10%)
201133 (9%)
201216 (11%)
201313 (8%)
201493 (11%)
201593 (12%)
201647 (12%)
201777 (18%)
201881 (25%)
2019334 (50%)
2020263 (55%)
2021351 (62%)
2022267 (46%)
2023232 (48%)
2024218 (61%)
202560 (52%)

Frequently asked questions

How many engine complaints does the 2018 GMC Sierra 1500 have?: NHTSA lists 81 engine complaints for the 2018 Sierra 1500, which is 25% of the 321 total complaints filed for that model year.
At what mileage do engine problems typically show up on the 2018 Sierra 1500?: The median mileage at failure reported to NHTSA for engine complaints is 58,750 miles.
Is there an engine recall for the 2018 GMC Sierra 1500?: No engine recall is listed for this component area in the data, though some owners mention delays getting parts for a separate campaign, 19V328000.
What engine symptoms do owners report most on the 2018 Sierra 1500?: Owners describe fuel injector seal leaks, rough gear-shift bucking, stalling with trouble code P2635, and radiator coolant leaks causing overheating readings.
Were there any crashes, fires, or injuries linked to these engine complaints?: NHTSA data shows 0 crashes, 0 fires, and 0 injuries among the 81 engine complaints for the 2018 Sierra 1500.