2026 Toyota Sienna - Maintenance & Specs
The 2026 Toyota Sienna belongs to a Toyota Sienna lineup that Know Your Ride tracks across 12 model years, from 2000 to 2026. Records for this year list a 2.5L engine. It is configured as front-wheel drive with an automatic (av-s6). This 2026 car is the most recent Toyota Sienna model year on record.
It takes 0W-20 full synthetic oil, 4.5 qt with a new filter meeting ILSAC GF-6A. Fluid specs on file include Super Long Life coolant, DOT 3 brake fluid, ATF WS transmission fluid. Know Your Ride lists 20 scheduled maintenance items for this vehicle, the earliest interval falling at 5,000 miles. Documented torque values include oil drain plug 30 ft-lb, lug nut 76 ft-lb, spark plug 18 ft-lb.
Its overall reliability signal is rated "Excellent" based on aggregated complaint and crash data.
EPA fuel economy is rated at 36 city / 36 highway MPG, 36 MPG combined. Estimated annual fuel cost is about $1,200.
Quick Specs
| Oil viscosity | 0W-20 |
| Oil type | Full Synthetic |
| Oil capacity (w/ filter) | 4.5 qt |
| OEM oil spec | ILSAC GF-6A |
| EPA combined | 36 MPG |
| Tire size | 215/55R17 |
| Coolant | Super Long Life |
Common Trouble Codes
- P0300 - Random/Multiple Cylinder Misfire Detected
- P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
- P0171 - System too Lean (Bank 1)
- P0128 - Insufficient Coolant Temperature for Stable Operation
- P0442 - Evaporative Emission Control System Leak Detected (small leak)
- P0455 - Evaporative Emission Control System Leak Detected (gross leak)
- P0700 - Transmission Control System Malfunction
- P0301 - Cylinder 1 Misfire Detected
- U0100 - Lost Communication With ECM/PCM A
Related Vehicles
Part of the free Know Your Ride vehicle maintenance reference. Figures are sourced from EPA, NHTSA and manufacturer data and are for general reference - always confirm with your owner's manual.