bZ4X (1st)
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Engine Reliability Ratings
1YM Motor
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Complaint Breakdown
Known Issues
Battery & Propulsion Reliability
Battery Electric (BEV)
Battery & propulsion complaint analysis for the 2023-2025 Toyota bZ4X
Too few field reports to rate this generation against peers yet. Most recently launched models accumulate complaints over the first 2-3 years.
What kind of battery complaint?
Among the 8 battery-related complaints, here's the type mix. These percentages describe what the complaints are about — not how reliable the vehicle is overall.
Low-voltage battery deaths, common on EVs and hybrids that use a 12V for accessories.
Propulsion battery defects, capacity loss, BMS faults, replacement claims.
Loss of power, drive unit, inverter, traction motor, DC-DC converter.
Charge port, cable, mobile connector, or session failures.
Sample complaint excerpts
12V Auxiliary Battery
- [2024] The 12 volt battery does not maintain a charge. I have had it replaced twice. I purchased new January 2025; first battery replaced on March 20, 2025; second battery replaced August 13, 2025. I am currently having the same issue with the battery management system which controls temperature and battery usage. After sitting overnight, I drove my car approximately three miles parked and attempted to u
- [2024] 2024 BZ4x, 590 miles on ODO. Purchased the car on Sunday, 03/23/2025. Monday Morning - Turning on the Car (In my garage). I had it in "ready" while I tried to connect my Toyota app to the car, While talking to Toyota engagement for help.. (Never was able to change the primary driver on it.) The accessory lights flickered and a bell went on and off. Then the car went totally black. Toyota called a
- [2024] **Report to NHTSA – 12-Volt Battery Issue in Toyota BZ4X** **Vehicle Information:** - **Make & Model:** Toyota BZ4X - **Issue:** 12-Volt Battery Drain **Description of the Problem:** I have been experiencing repeated issues with the 12-volt battery in my Toyota BZ4X. If the vehicle is not driven for one or two days, the battery depletes, requiring a jump-start to operate. I have tak
High-Voltage Battery
- [2024] The 12 volt battery does not maintain a charge. I have had it replaced twice. I purchased new January 2025; first battery replaced on March 20, 2025; second battery replaced August 13, 2025. I am currently having the same issue with the battery management system which controls temperature and battery usage. After sitting overnight, I drove my car approximately three miles parked and attempted to u
- [2024] **Report to NHTSA – 12-Volt Battery Issue in Toyota BZ4X** **Vehicle Information:** - **Make & Model:** Toyota BZ4X - **Issue:** 12-Volt Battery Drain **Description of the Problem:** I have been experiencing repeated issues with the 12-volt battery in my Toyota BZ4X. If the vehicle is not driven for one or two days, the battery depletes, requiring a jump-start to operate. I have tak
Electric Propulsion
- [2024] The vehicle experienced repeated electrical and brake system malfunctions that pose serious safety concerns. On multiple occasions, the brake pedal became stiff and unresponsive while driving, and the parking brake system failed to engage properly. In addition, the ignition system often failed to start, even when the battery and all power indicators appeared normal. At times, the vehicle’s electr
Charging System
- [2024] Sparks coming out the charge port
Source: classified from NHTSA complaint and recall data. "Battery-related" includes high-voltage propulsion battery, charging system, hybrid drivetrain, electric propulsion, regenerative braking, 12V auxiliary battery, and thermal-event complaints. Other complaints (suspension, steering, brakes, infotainment) appear in the engine and vehicle-level sections. Rates are absolute counts, not normalized per-VIN — high-volume models naturally produce more raw complaints than low-volume ones. Self-reported death and injury counts are capped per complaint to limit form abuse.
Battery: Toyota / Subaru bZ Pack (71.4 kWh)
Pack overview
Known issues
How this pack ages (industry context)
Industry fleet aggregates: 2.3% average annual capacity loss across 22,700 EVs / 21 models (Geotab, 2026), and 95% range retention at 5 years on average across 30,000+ vehicles (Recurrent, 2026).
OEM warranty floor on this pack: 10 yr / 100k mi to 70% capacity.
Public per-pack degradation curves are not available for most models. Individual results vary materially with climate, charging behavior, and DC fast-charge frequency.
Vehicle-Level Issues
These issues affect the Toyota bZ4X regardless of engine variant.
Recalls (4)
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2022-2026 Toyota, Lexus, and Subaru Solterra vehicles equipped with a Panoramic View Monitor (PVM) system. Please see the recall report for a complete list of models. A software error may cause the rearview camera to freeze or display a blank screen when the vehicle is in reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2023-2025 bZ4X, Lexus RZ, and Subaru Solterra vehicles. During certain HVAC system faults, such as electrical compressor failure, the defroster and defogger system may become inoperative.
Gulf States Toyota, Inc. (GST) is recalling certain Toyota 2023 GR Supra, 2024 4 Runner, Corolla, Grand Highlander, Grand Highlander Hybrid, Land Cruiser Hybrid, Tacoma, Tacoma Hybrid, 2023-2024 BZ4X, Corolla Cross Hybrid, GR Corolla, GR86, Highlander, Highlander Hybrid, Prius, Prius Prime, Sequoia Hybrid, Tundra, Tundra Hybrid, Venza Hybrid, 2023-2025 Crown, and 2025 Camry Hybrid vehicles equipped with GST accessories. The load carrying capacity modification label may display inaccurate added weight values. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 110, "Tire Selection and Rims."
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2023 Subaru Solterra and Toyota BZ4X vehicles. The hub bolts on the wheels may loosen, causing a wheel to detach from the vehicle after low-mileage use.
Alternatives in Compact SUV
Frequently Asked Questions
What are the most common 2023-2025 Toyota bZ4X problems?
The 2023-2025 Toyota bZ4X has accumulated 26 NHTSA complaints. The most frequently reported problem areas are Electrical System, Wheels & Tires, Safety Systems. As with any used vehicle, a pre-purchase inspection and vehicle history report are recommended.
Which Toyota bZ4X engine is most reliable?
The 2023-2025 Toyota bZ4X was offered with 1 engine option. Based on NHTSA complaint data, the ?L ?-cyl has the lowest complaint density and is considered the most reliable choice for buyers.
Is the 2023-2025 Toyota bZ4X a good used car?
The 2023-2025 Toyota bZ4X can be a solid used car purchase depending on trim, mileage, and maintenance history. With 26 total NHTSA complaints on record, prospective buyers should review the known problem areas and check for open recalls before buying.
How many NHTSA complaints does the 2023-2025 Toyota bZ4X have?
The 2023-2025 Toyota bZ4X has 26 complaints filed with NHTSA as of our latest data pull. Complaint counts reflect owner-reported issues and do not necessarily indicate defects or safety risks on their own.
What recalls affect the 2023-2025 Toyota bZ4X?
There are 4 NHTSA recalls affecting some 2023-2025 Toyota bZ4X vehicles. Recall status varies by VIN — check the NHTSA recall database at recalls.nhtsa.dot.gov with your specific VIN to confirm which campaigns apply.
What should I check before buying a used Toyota bZ4X?
Before buying a used Toyota bZ4X, verify all open recalls are completed via the NHTSA VIN lookup tool. Pay particular attention to Electrical System, Wheels & Tires, Safety Systems, which are the most commonly reported problem areas. Request maintenance records, have an independent mechanic inspect the vehicle, and run a vehicle history report to check for prior accidents or title issues.
What are the NHTSA crash test ratings for the bZ4X?
The 2025 Toyota bZ4X received an overall 5-star safety rating from NHTSA. Frontal crash: 5 stars. Side crash: 5 stars. Rollover: 4 stars (11.6% rollover probability). Electronic Stability Control: Standard. Forward Collision Warning: Standard. Lane Departure Warning: Standard. These ratings are based on standardized crash tests conducted by the National Highway Traffic Safety Administration.
Data from NHTSA federal complaints database. 26 complaints analyzed. Data confidence: low. Last updated: 2026-05-18.