The short answer
Based on available data, the Volvo XC90 comes out ahead of the GMC Yukon on fuel economy and power. Check the specs table and owner sentiment below for the full comparison before deciding between the two. Both are covered by real owner reports on CarWizz.
Overall
Sentiment is sharply divided by generation and model year, with a clear distinction between older and newer vehicles. Feedback on older generations (circa 1995-2014) is overwhelmingly positive regarding long-term durability and mechanical simplicity, with many owners reporting vehicles exceeding 200,000-400,000 miles with minimal major issues. These are frequently described as "beasts that just won't die" with cheap, readily available parts.
Best version to buy
For older models (pre-AFM, circa 2000-2006), the 5.3L V8 (LM7) is highly praised for being "bulletproof." For newer models, the consensus is to avoid the first model year of a redesign (specifically 2021). The 2018-2020 generation is cited as a "sweet spot" where earlier reliability issues were worked out, making it preferable over the 2021+ models.
Known issues
Overall
Sentiment is mixed and heavily dependent on generation and powertrain. For the first-generation P28 platform (2003-2014), long-term owners express strong affection, praising its sturdiness, high-quality feel, and relative mechanical simplicity, especially in later model years with most issues resolved. For the second-generation SPA platform (2015-present), feedback is divided.
Best version to buy
For the second generation, the T8 Recharge plug-in hybrid in higher trims (Inscription, Ultra) is most frequently discussed and recommended for its blend of performance and efficiency. The Bowers & Wilkins audio system is specifically highlighted as a standout feature.
Known issues
The verdict
The Volvo XC90 is the better choice for most buyers.
It has better fuel economy on its best-equipped version than the GMC Yukon, based on the data above. If power matters more to you than running costs, the GMC Yukon is worth a closer look instead.
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Which is more reliable, the GMC Yukon or the Volvo XC90?
Owner reports show similar reliability sentiment for the GMC Yukon and the Volvo XC90. Check the known issues listed above for specific differences between the two.
Which is better for families, the GMC Yukon or the Volvo XC90?
Data on family-specific factors like cargo space is limited for one or both models, but based on available reports, both are positioned as practical daily drivers. Check the specs table above for seating and body type.
Which has better fuel economy, the GMC Yukon or the Volvo XC90?
The Volvo XC90 is more fuel-efficient on paper: 1.2-1.6 L/100km combined versus 14.7 L/100km for the GMC Yukon, based on the best-equipped catalogued version of each.
Which is cheaper to maintain, the GMC Yukon or the Volvo XC90?
Exact maintenance costs aren't in our data, but owner reports mention cost-related concerns more often for the Volvo XC90 than the GMC Yukon. See the known issues comparison above.