2020 Toyota Sienna - Maintenance & Specs
The 2020 Toyota Sienna belongs to a Toyota Sienna lineup that Know Your Ride tracks across 12 model years, from 2000 to 2026. Engine options on record include the 3.5L, 3.5L V6. It is configured as front-wheel drive with an automatic (s8). The 2020 sits mid-run, with both earlier (2000) and later (2026) Sienna model years also documented.
It takes 0W-20 full synthetic oil, 6.4 qt with a new filter meeting ILSAC GF-5. Fluid specs on file include Super Long Life coolant, DOT 3 brake fluid, ATF WS transmission fluid. Know Your Ride lists 13 scheduled maintenance items for this vehicle, the earliest interval falling at 7,500 miles. Documented torque values include oil drain plug 30 ft-lb, lug nut 76 ft-lb, spark plug 18 ft-lb.
NHTSA complaints for this vehicle cluster around power train (5), fuel/propulsion system (4), unknown or other (4). A representative report reads: "My Toyota sienna is a 2020, has 83,000 miles and has recently been squealing when I accelerate. I took the van to a local body shop and they said it seems to..." There are 2 safety recalls on record; one covers: ...n (Braun) is recalling certain modified 2017-2020 Toyota Sienna vehicles. The steering shaft extensions may have been improperly manufactured....
EPA fuel economy is rated at 19 city / 26 highway MPG, 21 MPG combined. Estimated annual fuel cost is about $2,100.
Quick Specs
| Oil viscosity | 0W-20 |
| Oil type | Full Synthetic |
| Oil capacity (w/ filter) | 6.4 qt |
| OEM oil spec | ILSAC GF-5 |
| Oil filter | Toyota 04152-YZZA1 |
| EPA combined | 21 MPG |
| Tire size | 215/55R17 |
| Coolant | Super Long Life |
| NHTSA overall | 5 / 5 stars |
| Open recalls on record | 2 |
| Technical service bulletins | 127 |
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.