The short answer
Based on available data, the Ford Expedition comes out ahead of the Chevrolet Suburban 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 mixed and heavily dependent on model year and generation. Long-term owner reports for older generations (GMT400, GMT800, and early GMT900) frequently praise their durability, comfort, and capability as workhorse vehicles, with some considering them reliable and appreciating assets. However, feedback on newer generations (specifically 2015+ models) reveals significant and recurrent concerns regarding expensive electrical and powertrain failures occurring well under 100,000 miles.
Best version to buy
Insufficient owner data available to identify a consensus "best" model year or trim. Positive remarks are directed at older generations (e.g., 2000-2006, 2010-2014) for reliability, and at the 2025+ models for their updated interior electronics and dash design.
Known issues
Overall
Mixed sentiment with a clear generational divide. Long-term owners of older models, particularly those with the 5.4L Triton V8 (e.g., 2013 model), report very high reliability with only routine maintenance required, describing them as "rock solid" and "so reliable." However, sentiment shifts significantly for newer generations equipped with the 3.5L EcoBoost V6 and the Ford/GM co-developed 10-speed automatic transmission. These models are frequently criticized for severe and recurrent transmission failures ("jerk, clunk, bang"), cam phaser issues requiring engine work, and other premature mechanical failures.
Best version to buy
Insufficient owner data available to declare a consensus "best" model year or trim. Data suggests avoiding specific problematic years is more critical than seeking a particular trim.
Known issues
The verdict
The Ford Expedition is the better choice for most buyers.
It has better fuel economy on its best-equipped version than the Chevrolet Suburban, based on the data above. If power matters more to you than running costs, the Chevrolet Suburban is worth a closer look instead.
Common problems by model year
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Owner reports show similar reliability sentiment for the Chevrolet Suburban and the Ford Expedition. Check the known issues listed above for specific differences between the two.
The Ford Expedition seats more passengers than the Chevrolet Suburban on its catalogued best-equipped version. Body type also differs: the Chevrolet Suburban is classed as a SUV, the Ford Expedition as a SUV.
The EPA rates the 2027 Chevrolet Suburban at 16–23 mpg combined and the 2027 Ford Expedition at 18 mpg, depending on the version.
Exact maintenance costs aren't in our data, but owner reports mention cost-related concerns more often for the Chevrolet Suburban than the Ford Expedition. See the known issues comparison above.