Mercedes-Benz EQS 580 4matic (SUV)

Mercedes-Benz EQS 450 Plus

Hyundai Kona Electric Long Range

Genesis GV60 Standard

Rivian R1S Dual Max (21in)

Genesis Electrified G80

The car suffered a critical electrical failure which resulted in the car abruptly losing power when driving at a speed of about 30 mph. The speed at which the car became unresponsive was so rapid that the car could not even be maneuvered from the middle lane into the right most lane for safety. The cars digital display system indicated nothing except that the hazards were on (after I had attempted to turn them on) and a red box with two cog wheels inside of it. In reality, the hazard lights were NOT on externally as was evidenced by a number of vehicles stopping to tell me to turn on my hazards. Additionally the car would not respond to any commands whatsoever. The car would not go in to park or drive and could not be powered on/off. The brake pedal was able to be pushed to the floor. The doors which have an electronic assist system were difficult to open because the whole electrical system was in a failure state. The car had to be towed to a Porsche dealership. Upon arrival to the dealership, the car indicated an engine control error on the digital dash and showed a turtle icon. This was not the case during the original failure (prior to tow) and only showed that state after a multi-hour tow trip. There were absolutely no indications of this problem prior to it happening. The car was at around 40% state-of-charge. Porsche performed a software update on the car and drove it 120 miles but could not recreate it. The very same day I took the car back from Porsche, the same issue occurred but in a less critical way and in a parking lot. This time, the car suffered an engine control error but after walking away from the car for 10 minutes or so, the error was gone and the car was drive-able. In both cases, one thing i noticed was that the rear spoiler was stuck in an extended state after the failure had occurred.

PORSCHE TAYCAN 2025 ELECTRICAL SYSTEM

This is a brand new electrical vehicle (2025), with just under 1000 miles on it. I was driving on a medium-speed highway when an electrical system error message appeared suddenly and the car lost the ability to accelerate. I coasted into the shoulder, shut it off, and unsuccessfully tried restarting it a few times before it came back on without the error message and allowed me to drive a few more miles. About 5 minutes later, the same thing happened--the same message appeared and it suddenly stopped accelerating. I coasted for a short distance but was only able to get partially out of the road. The car had to be towed. Porsche identified  problem with one of the battery cells, and estimated 3 weeks for repair.

2025 Porsche Taycan GTS — vehicle data sourced from FuelEconomy.gov.

Experience exhilarating electric performance with the 2025 Porsche Taycan GTS, boasting an impressive 293-mile EV range and a powerful 532 hp electric engine. This all-wheel-drive sedan delivers a dynamic driving experience with its advanced 2-speed automatic transmission and Ceramic Composite brakes, all while maintaining a certified safety status.

	2022	2023	2024	2025	2026
Price	—	$135,200	$135,200–$171,000	$157,300	—
Engine Capacity	—	—	—	—	—
Fuel Type	Electric	Electricity	Electricity	Electricity	Electricity
Transmission	2 speed automatic	Automatic (A2)	Automatic (A2)	2-speed automatic	Automatic (A2)
Body Type	4/5 Seater Sedan/Saloon	Compact Cars	Compact Cars	Sedan	Compact Cars

Porsche Taycan GTS (2025) Specifications