New Leak: BMW M5 Gets 718-HP V8 with Electric Assist and Increased Weight Penalty

Anticipated Release for Next G90 Generation in 2021

As the release date of the BMW M5 G90 draws near, excitement for the new model continues to build. A recent leak on the Bimmer Post forum has surfaced, providing some insights into the highly-anticipated performance sedan before its official launch.

As reported in the article, the 2025 model of BMW M5 is set to unleash an impressive 718 horsepower, marking a significant increase of 100 horsepower compared to the outgoing F90 version. This immense power is made possible by a plug-in hybrid V8 engine, which was officially announced by the Bavarian car manufacturer towards the end of last year. Interestingly, this is the very same engine that can be found in the BMW XM.

Nevertheless, the primary high-performance sports utility vehicle has the ability to produce a maximum horsepower of 738 in its premium Label version, ensuring that it will maintain its status as the most dominant M car to date.

Exploring the plug-in hybrid powertrain, the 4.4-liter twin-turbocharged V8 engine will produce a staggering 577 horsepower and 553 pound-feet of torque on its own. This robust engine will be coupled with an electric motor that can generate an impressive 194 hp and 206 lb-ft of twisting force. To complete the hybrid system, there will be a battery pack with a usable capacity of 18.6 kWh, slightly lower than the XM’s 25.7 kWh capacity.

Despite previous reports, the upcoming M5 is expected to have a considerable increase in weight, estimated at around 5,368 pounds. As a comparison, the standard 5 Series (G60) weighs only 4,041 lbs, while even the heavier all-electric BMW i5, due to its larger batteries, is 121 lbs lighter than the M5.The looming release of the M5 brings with it a notable drawback – an increase in weight. Rumors suggest that the car will tip the scales at approximately 5,368 pounds, significantly heavier than the standard 5 Series (G60) which weighs in at 4,041 lbs. The electric option, BMW i5, surprisingly outweighs the M5 by only 121 lbs, despite having larger and presumably heavier batteries.

According to reports, the G90 will have larger dimensions compared to the G60, with a reported increase of 1.4 inches in length and 2.8 inches in width. Additionally, it is said to have a slightly longer wheelbase, making the upcoming M car approximately 200.6 inches in length and 77.5 inches in width. The height is expected to remain unchanged at 59.6 inches.

Some additional details that have been revealed include the utilization of 20-inch front wheels with 285/40 tires and 21-inch rear wheels featuring 295/35 tires as the standard configuration. It has also been reported that a transition to the latest iteration of Panoramic Vision will take place by March of 2027.

According to inside sources, it has been revealed that the BMW G90 M5 sedan is scheduled to be manufactured between July 2024 and February 2031. Additionally, the production of the G99 M5 Touring wagon model will begin in November and is expected to launch in the US market towards the end of 2024 or early 2025.


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