2023 TOYOTA SIENNA HYBRID fuel tank capacity

5188-1. Specifications
■Engine number
The engine number is stamped on the engine block as shown.
Front
Engine
Model2.5 L 4-cylinder (A25A-FXS)
Type4-cylinder in line
, 4-cycle, gasoline
Bore and stroke3.44  4.07 in. (87.5  103.4 mm)
Displacement151.8 cu. in. (2487 cm3)
Valve clearanceAutomatic adjustment
Fuel
Fuel typeUnleaded gasoline only
Octane Rating87 (Research Octane Number 91) or
higher
Fuel tank capacity (Reference)18 gal. (68.2 L, 15 Imp.gal.)
Electric motor (traction motor)
TypePermanent magnet synchronous motor
Maximum output134 kW
Maximum torque199 ft•lbf (270 N•m, 27.5 kgf•m)

578Alphabetical Index
Head restraints ..................... 183
Rear side marker lights Light switch .......................... 251
Replacing light bulbs ............ 448
Rear turn signal lights Replacing light bulbs ............ 448
Turn signal lever................... 245
Wattage ................................ 524
Rear view mirror Digital Rear-view Mirror........ 189
Inside rear view mirror.......... 187
Outside rear view mirrors ..... 199
Rear window defogger ........... 350
Rear window wiper ................. 260
Refueling ................................. 262 Capacity ............................... 518
Fuel types..................... 518, 526
If the fuel filler door cannot be opened ............................... 501
Opening the fuel tank cap .... 263
Regenerative braking ............... 80
Replacing Electronic key battery ........... 444
Fuses ................................... 446
Light bulbs ............................ 448
Tires ..................................... 490
Wireless remote control battery........................................... 444
Reporting safety defects for U.S. owners................................... 554
Resetting the message indicat- ing maintenance is required 403
Road Sign Assist .................... 288
RSA (Road Sign Assist) ......... 288
S
Safety Connect ......................... 75
Seat belt reminder light ......... 471
Seat belts .................................. 35 Adjusting the seat belt shoulder anchor height ....................... 39
Automatic Locking Retractor .. 39 Child restraint sys
tem installation
.............................................63
Cleaning and maintaining the seat belt ..............................399
Emergency Locking Retractor 38
How to wear your seat belt .....36
How your child should wear the seat belt ................................36
Pregnant women, proper seat belt use .................................35
Reminder light and buzzer ...471
Seat belt extender ..................36
Seat belt pretensioners ..........39
SRS warning light .................466
Seat heaters ............................361
Seating capacity .............220, 517
Seat position memory ............179
Seats Adjustment precautions 171, 177
Adjustment ...................170, 172
Child seats/child restraint system installation ............................58
Cleaning ...............................399
Driving position memory .......179
Folding third seats ................175
Head restraint .......................183
Installing seco nd center seats
...........................................175
Properly sitting in the seat ......33
Removing second center seats ...........................................174
Seat heaters ....... ..................361
Seat position memory...........179
Seat ventilators.....................361
Stowing third seats ...............176
Seat ventilators .. .....................361
Secondary Collision Brake ....336
Sensor AHB (Automatic High Beam) 253
Automatic headlight system .252
BSM (Blind Spot M onitor) .....304
Digital Rear-view Mirror ........193

600
GAS STATION INFORMATION
Auxiliary catch lever (P.410)
Fuel filler door opener switch ( P.263)
Fuel filler door ( P.263)
Tire inflation pressure ( P.523)
Hood lock release lever ( P.410)
Fuel tank capacity
(Reference)18 gal. (68.2 L, 15 Imp.gal.)
Fuel typeUnleaded gasoline onlyP.518
Cold tire infl ation pressureP.523
Engine oil capacity
(Drain and refill  reference)P.519
Engine oil typeP.519
A
B
C
D
E