Used GMC Yukon: Inspection checklist

Pick the model year you are going to see. Each sheet lists the checks for the problems owners reported on that year, in the order you would do them at the car. Owners filed 1,357 complaints across these 9 years; the 2021 drew the most.

Choose a model year

Problems that follow the Yukon from year to year

Each of these is a top-three complaint area in at least two model years. Darker cells mean more complaints that year. Whatever year you are looking at, give these extra time.

Area	2018	2019	2020	2021	2022	2023	2024	2025	2026	Total
Engine	24	38	22	199	126	179	64	21	5	678
Transmission	19	18	18	62	31	46	16	6	2	218
Electrical	3	12	2	22	34	40	17	10		140

Yukon generations and updates

First years of a new generation and mid-cycle updates are marked. Each year links to its checklist.

Second generation
2015–2023
2020 update: Updated front and rear styling; New technology features introduced

Mileages where Yukon problems start

From owner reports for each model year, lowest mileage first. Compare these with the odometer of the car you are seeing.

Typical mileage	Problem	Year
500–1,300 miles	Misfires and jerky acceleration	2025
700–934 miles	Transmission failure	2025
1,000–7,600 miles	Diesel engine thrust bearing failure	2025
1,488–4,197 miles	Engine seizing without warning	2025
2,200–5,200 miles	Sudden engine failure, no restart	2026
5,315–25,572 miles	Early lifter failure	2021
9,000–30,000 miles	Fuel pump control module failure	2021
9,484–24,740 miles	Sudden L87 engine failure	2024
11,000–18,163 miles	Power loss before recall repair	2024
12,577–66,000 miles	Engine seizure or power loss	2022
15,000–40,000 miles	Sudden 6.2L engine failure	2023
16,000–22,000 miles	Safety restraint warning light	2021
20,000–47,000 miles	Transmission valve body failure	2023
21,750–65,000 miles	Transmission valve body failure	2022