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Reliability Database
GMC

Yukon

Full-Size SUV
Best Engine ✅ Recommended (4.4)
4 Generations
43 Engines Rated
19,958 Total Complaints
Engine Ratings
22 recommended 9 caution 12 avoid

Generation Timeline

2000-2006 GMT800
16 engines
6,064 complaints 🔥 71 ☠ 9
6.6L 8-cyl ✅ Recommended (4.4)
→
2007-2014 GMT900
16 engines
7,410 complaints 🔥 67 ☠ 12
3.6L 6-cyl ✅ Recommended (4.0)
→
2015-2020 K2XX
7 engines
5,199 complaints 🔥 30
6.6L 8-cyl ✅ Recommended (3.5)
→
2021-2025 T1XX
4 engines
1,285 complaints 🔥 1
3.0L 6-cyl ✅ Recommended (3.6)
→
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