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Reliability Database
GMC

Yukon

Full-Size SUV
Best Engine ✅ Recommended (3.9)
4 Generations
41 Engines Rated
8,153 Total Complaints
Engine Ratings
20 recommended 13 caution 8 avoid

Generation Timeline

2000-2006 GMT800
20 engines
2,416 complaints 🔥 31 ☠ 5
4.8L 8-cyl ✅ Recommended (3.5)
→
2007-2014 GMT900
11 engines
2,399 complaints 🔥 24 ☠ 4
5.3L 8-cyl ✅ Recommended (3.6)
→
2015-2020 K2XX
5 engines
2,100 complaints 🔥 13
Unknown ⚠️ Caution (2.8)
→
2021-2025 T1XX
5 engines
1,238 complaints 🔥 1
Unknown ✅ Recommended (3.9)
→
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