Hummer
H3
Nissan
Xterra
Hummer H3 vs Nissan Xterra: 2008 Comparison
The short answer
Based on available data, the Hummer H3 comes out ahead of the Nissan Xterra on 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.
Specs side by side
What owners say
H3
Overall
Mixed sentiment with a clear divide between appreciation for its off-road capability and criticism of its on-road performance, reliability, and value. Long-term owners frequently praise the vehicle's exceptional off-road prowess straight from the factory, citing best-in-class approach and departure angles, available front and rear locking differentials, full skid plates, and capable tires (33-inch). Several owners report high satisfaction with its ability to handle severe terrain without modifications and its utility as a practical, compact off-road SUV.
Best version to buy
Alpha Package or Adventure Package: The V8-powered Alpha version (with the 5.3L engine) is strongly recommended over the standard inline-5 for adequate power, especially for towing (6000 lbs rating vs 4500 lbs) and general drivability. The Adventure Package is noted for including a rear locking differential.
Known issues
- ⚠Underpowered 3.7L inline-5 cylinder engine: described as sluggish, struggling with highway merging and towing, "feels like it belongs in a lawn tractor". Frequency: very frequent.
- ⚠Transmission reliability concerns: automatic transmissions (particularly the 4-speed) noted as a weak point not expected to last beyond 200,000 miles; specific mention of failures linked to owner misuse (shifting while moving).
- ⚠Cooling system problems: tendency to run hot, especially under load or in hot climates; idle temperatures reaching 3/4 gauge indicative of a weak radiator fan; risk of internal radiator failure mixing coolant and transmission fluid ("pink…
Xterra
Overall
Sentiment is strongly bifurcated by generation and specific model years. The first-generation (2000-2004) and second-generation (2005-2015) Xterra are widely regarded as rugged, durable, and capable body-on-frame SUVs, often described as "tanks" and "well-built machines" that offer excellent value, particularly when compared to more expensive competitors like the Toyota 4Runner. Long-term owner reports frequently cite reliability, ease of DIY maintenance, and low-cost parts.
Best version to buy
Second-generation (2005-2015) models from 2011 onwards, as these are reported to have factory-addressed the major SMOD radiator and timing chain guide issues. The manual transmission variant is highly recommended to completely avoid SMOD and for perceived greater durability.
Known issues
- ⚠"Strawberry Milkshake of Death" (SMOD) Radiator Failure (2005-2010 Automatics): Radiator internal failure mixes coolant and transmission fluid, leading to automatic transmission destruction. Frequency: very frequent.
- ⚠Timing Chain Guide/Tensioner Failure (2005-2010): Plastic guides wear out, causing chain slack, potential timing jump, and catastrophic engine interference failure. Typically occurs around 60k-80k miles (97k-129k km). Frequency: recurrent.
- ⚠Automatic Transmission Issues (First & Second Gen): Rough shifts between 1st and 2nd gear, transmission failure, and general reliability concerns. Often linked to SMOD or age. Frequency: recurrent.
The verdict
The Hummer H3 is the better choice for most buyers.
It has more power on its best-equipped version than the Nissan Xterra, based on the data above. If efficiency matters more to you than outright power, the Nissan Xterra is worth a closer look instead.
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Frequently asked questions
Which is more reliable, the Hummer H3 or the Nissan Xterra?
Owner reports show similar reliability sentiment for the Hummer H3 and the Nissan Xterra. Check the known issues listed above for specific differences between the two.
Which is better for families, the Hummer H3 or the Nissan Xterra?
The Nissan Xterra seats more passengers than the Hummer H3 on its catalogued best-equipped version. Body type also differs: the Hummer H3 is classed as a Off-road vehicle, the Nissan Xterra as a SUV.
Which has better fuel economy, the Hummer H3 or the Nissan Xterra?
Fuel consumption data is limited for one or both models. Check the specs table above for the figures available on each catalogued version.
Which is cheaper to maintain, the Hummer H3 or the Nissan Xterra?
Exact maintenance costs aren't in our data, but owner reports mention cost-related concerns more often for the Nissan Xterra than the Hummer H3. See the known issues comparison above.