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Moving about 55 miles per hour on right lane of I-95 the Jeep in front of me braked abruptly.  I braked hard but as my Sienna was quickly slowing down to stop, the brake pad felt spongy when it was slower and as I pressed even harder, it seemed to have stopped decelerating at that slower speed and that was when my Sienna slammed into the back of the Jeep.  Happened today on July 15, 2026 at around 4:24 EST.  I will also file this same report to Toyota.  My wife and I are at the hospital getting checked, but my Sienna looked undrivable.

TOYOTA SIENNA HYBRID 2024 SERVICE BRAKES

I am the original owner of a 2024 Toyota Sienna Hybrid (VIN: [XXX]). The vehicle has required two significant engine repairs within the first 57,000 miles of ownership. Both repairs were performed at authorized Toyota dealerships under warranty. INCIDENT 1 â ENGINE REPLACEMENT (10,000 MILES): At approximately 10,000 miles, the engine developed severe knocking. The dealership determined the engine was defective and performed a complete engine replacement under warranty. INCIDENT 2 â OIL LEAK (57,000 MILES): At approximately 57,000 miles, the engine developed an oil leak between the oil pan and the timing belt cover. The dealership repaired the leak under warranty. The dealership informed me that this repair carries only a one-year warranty on the work performed. The fact that the engine required complete replacement at only 10,000 miles indicates a manufacturing defect. The second engine issue at 57,000 miles suggests a pattern of powertrain reliability problems. I contacted the Toyota Brand Engagement Center (Case #XXX) and spoke with both an advocate and a supervisor. Toyota declined to offer any extended powertrain coverage and would only agree to review future issues on a "case-by-case basis." I am concerned about the safety and long-term reliability of this vehicle's powertrain given the recurring nature of these engine failures. A complete engine failure at 10,000 miles on a brand-new vehicle is not normal wear and tear â it is a defect. I am reporting this so that NHTSA is aware of potential systemic engine issues with the 2024 Toyota Sienna Hybrid. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

TOYOTA SIENNA HYBRID 2024 POWER TRAIN

The driver's side mirror vibrates when the vehicle is at speed. I've been to two dealers who say that it's normal, and everything is intact and installed correctly. When driving, the mirror vibrates a lot, which is a safety issue when trying to use the side mirror during changes, etc.

TOYOTA SIENNA HYBRID 2024 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

The contact owns a 2024 Toyota Sienna. While the contactâs wife was driving 5 MPH out of a parking lot and attempting to make a left turn, the vehicle suddenly lost motive power and stalled. After approximately 3- 4 seconds while depressing the accelerator pedal several times, the vehicle eventually accelerated as needed. The vehicle was driven to the residence. There were no warning lights illuminated. The vehicle was not taken to the dealer to be diagnosed or repaired. The manufacturer was not informed of the failure. The failure mileage was 68,000.

When a lever is pulled, the second row seat can move freely back and forth on a track until the back of the seat is returned to the upright position. I was driving at highway speeds and had to brake suddenly. The seat was at the back of the track with the lever pulled, and it slammed into the back of the driver seat, hurting my back. It stuck there putting pressure on the seat (which could be felt) until I stopped and had to use force to make it slide back.

TOYOTA SIENNA HYBRID 2024 SEATS

2024 Toyota Sienna 2WD — vehicle data sourced from FuelEconomy.gov.

The 2024 Toyota Sienna 2WD is a safe and reliable minivan designed for efficiency. Its hybrid powertrain delivers an impressive 36 MPG combined, making it a smart choice for families on the go.

	1998	1999	2000	2001	2002	2003	2024
Price	—	—	—	—	—	—	$36,885–$60,000
Engine Capacity	3L	3L	3L	3L	3L	3L	2.5 L
Fuel Type	Regular	Regular	Regular	Regular	Regular	Regular	Regular
Transmission	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	eCVT
Body Type	Special Purpose Vehicle 2WD	Minivan - 2WD	Minivan - 2WD	Minivan - 2WD	Minivan - 2WD	Minivan - 2WD	Minivan

Toyota Sienna 2WD (2024) Specifications