Chevrolet
Uplander
Toyota
Sienna
Chevrolet Uplander vs Toyota Sienna: 2020 Comparison
The short answer
Based on available data, the Toyota Sienna comes out ahead of the Chevrolet Uplander 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
Uplander
Overall
Owner sentiment is overwhelmingly negative, with the vehicle characterized as unreliable, poorly built, and a source of persistent mechanical and electrical problems. Long-term owner reports frequently cite catastrophic transmission failures, chronic electrical gremlins, and a general lack of durability. The vehicle is described as a "nightmare" and that it "fucking suck[s]" by multiple owners.
Best version to buy
Insufficient owner data available. No specific trim or model year is recommended as superior.
Known issues
- ⚠Automatic transmission failure: Complete loss of forward gears, slipping between 1st and 2nd gear, broken 1-2 band, solenoid failures, requiring rebuilds or replacements. Described as the "weak spot." Frequency: very frequent.
- ⚠Chronic electrical problems: Erratic behavior including door indicator lights staying on, stability control randomly engaging, dashboard warning lights illuminating simultaneously, key stuck in ignition, horn honking when attempting to cra…
- ⚠Cooling system and thermostat failures: Repeated thermostat failures (P0128 code), engines overheating, heaters blowing cold at idle, and difficulty bleeding air from the system. Frequency: recurrent.
Sienna
Overall
Overwhelmingly positive sentiment regarding long-term reliability, practicality, and fuel efficiency, particularly for the hybrid models (2021+). The Sienna is consistently praised as a durable, low-maintenance family vehicle capable of reaching very high mileages (200,000-300,000+ miles) with proper care. The hybrid powertrain is highlighted as a major advantage, offering significant fuel savings (approximately 36 MPG) compared to competitors.
Best version to buy
For newer generations (2021+), the Platinum trim is frequently recommended for its comprehensive feature set, including ventilated/cooled front seats, a video rearview mirror, and advanced safety technology. The hybrid powertrain is considered non-negotiable for its fuel savings and reliability.
Known issues
- ⚠Transmission problems (2017 models): Jerkiness, shifting issues, high-speed freeway problems, and expired customer service programs for repairs. Frequency: recurrent.
- ⚠Infotainment/system glitches (2025 models): Profile and key fob pairing failures, unresponsive screens. Frequency: isolated.
- ⚠Engine issues (specific older models): Timing chain/crankshaft codes (P001500, P001700) on a brand-new 2025 model; oil/coolant leaks and timing chain failure on a 2015 model. Frequency: isolated.
The verdict
The Toyota Sienna is the better choice for most buyers.
It has more power on its best-equipped version than the Chevrolet Uplander, based on the data above. If efficiency matters more to you than outright power, the Chevrolet Uplander is worth a closer look instead.
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Frequently asked questions
Which is more reliable, the Chevrolet Uplander or the Toyota Sienna?
Owner reports show similar reliability sentiment for the Chevrolet Uplander and the Toyota Sienna. Check the known issues listed above for specific differences between the two.
Which is better for families, the Chevrolet Uplander or the Toyota Sienna?
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 Chevrolet Uplander or the Toyota Sienna?
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 Chevrolet Uplander or the Toyota Sienna?
Exact maintenance costs aren't in our data, but reliability signals above are the closest proxy: fewer reported issues generally means lower repair costs over time.