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product.specifications
specs.g_fuel_economy
specs.city_mpg36
specs.highway_mpg36
specs.combined_mpg36
specs.annual_fuel_cost$1900
specs.ghg_score7 / 10
specs.g_engine_drivetrain
specs.engine_size2.5 L
specs.cylinders4
specs.fuel_typeRegular
specs.transmissionAutomatic (AV-S6)
specs.drivetrainFront-Wheel Drive
CO₂246 g/mi
specs.g_classification
specs.vehicle_classMinivan - 2×2
specs.typeHybrid
specs.data_sourced_from FuelEconomy.gov (specs.energy_dept)
product.complaints_section9 total
TOYOTA SIENNA HYBRID 2023 SERVICE BRAKES
lowWhen braking, there is a sudden jerk and surge in power at low speeds. It feels like you are losing control of the car. It feels unsafe to drive the car.
TOYOTA SIENNA HYBRID 2023 VEHICLE SPEED CONTROL
highThe complaint was filed on behalf of the contact's employer. The contact drives a 2023 Toyota Sienna Hybrid. The contact stated that while driving at 5 MPH, the vehicle independently accelerated. The contact stated that the acceleration occurred while the contact was making a right turn. The contact stated that the vehicle shifted from hybrid to high speed within a second. The brake pedal was depressed, and the vehicle failed to stop as intended. The vehicle crashed into another vehicle before coming to a complete stop. The vehicle sustained damage to the front driver's side door. No warning lights were illuminated. No Police report was filed. No injuries were sustained. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The contact referenced an unknown recall which had a similar failure description, however the VIN was not associated. The manufacturer was not made aware of the failure. The failure mileage was approximately 12,000. VIN unavailable.
TOYOTA SIENNA HYBRID 2023 STRUCTURE:BODY:HATCHBACK/LIFTGATE
highThe contact owns a 2023 Toyota Sienna Hybrid. The contact stated that her husband pressed the automatic liftgate button to close, unaware that their child was near the trunk. The contact's son's left hand became trapped beneath the liftgate, and her husband had to yank the liftgate open to free the child's hand. The child received medical attention for bruising on his left hand. The vehicle was taken to the dealer; however, the vehicle was not yet diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 60,000.
TOYOTA SIENNA HYBRID 2023 VISIBILITY:SUN/MOON ROOF ASSEMBLY
mediumThe contact owns a 2023 Toyota Sienna. The contact stated that while driving 65 MPH, there was a popping sound coming from the sunroof, and the contact discovered that the sunroof had shattered. Neither the dealer nor an independent mechanic was contacted. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 70,000.
TOYOTA SIENNA HYBRID 2023 SERVICE BRAKES
mediumWhen I go to brake the brakes seem to malfunction and skip engagement. Iâve had acceleration happen in the vehicle when I brake. At one time this caused my speed to jump while braking, I went from 5 to 10 MPH. This now happens several times a week.
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product.status_history
status.uncertain→status.certified27 May 2026
Lemon Score: 100. 0 data points. v3 scoring.