How Much HP Does a BMW G Power Deliver? Full Performance Breakdown

If raw power and exhilarating speed define your ideal ride, the BMW G Power stands as a benchmark in performance. Known for pushing boundaries, this model’s engine output is a key factor that captivates enthusiasts worldwide.

The BMW G Power is powered by a revised 4.4-liter twin-turbocharged inline-six engine, delivering up to 625 horsepower in the latest 2023 G80 variant. This output elevates the M5’s lineage with faster acceleration and sharper responsiveness, setting a new standard in the luxury performance segment.

Equipped with twin turbochargers and advanced engine tuning, the G Power’s 625 hp enables 0-60 mph in under 3.0 seconds, offering a blistering blend of power and precision. Whether navigating city streets or carving mountain roads, its refined yet aggressive engine response ensures an unforgettable driving experience.

While slightly below the 650 hp of the standard BMW M5, the G Power’s engineering focus lies in balanced performance—delivering torque-rich acceleration without sacrificing refinement. With ongoing development, future iterations may push even higher, keeping the G Power at the forefront of performance innovation.

With up to 625 horsepower, the BMW G Power delivers a potent mix of power, precision, and prestige. Whether you're upgrading a classic M5 or cruising in a new G80, this engine redefines what performance means today—making it a must-consider for discerning drivers seeking unmatched excitement.

German tuner G-Power built an 809-horsepower verison of the BMW M8 Coupe, which is departing the lineup for 2026. The BMW M8 is facing retirement, but G-Power isn't willing to let go of the performance coupe just yet. The tuner worked on four cars.

G-POWER: 820 hp (603 kW) / 1000 NmOEM: 600 hp (441 kW) / 750 Nm until 625 hp (460 kW) / 750 Nmengine type & displacement: S63B44T4 / 4395 cm³more performance & torque deliverybetter response & more driving enjoymentthree. Tuning company G-Power has significantly modified the BMW M8 to make 900 horsepower. Here's how it's different from the standard version.

The G Power M5 pushes BMW performance to the limit. For the past four decades, G-POWER has been a leading name in performance upgrades for BMW M models. Earlier this year, G-POWER launched a three-tiered portfolio of upgrades for the M2's 3.0-litre twin-turbo.

The entry-level package features G-POWER's GP-600 performance software, which unlocks the ECU and bumps power up to 600 PS (592 hp) and 720 Nm of torque. This is achieved without any. G-Power unveils G3M CS Bi-Turbo, a tuned BMW M3 CS with up to 709 hp.

Three power levels offered, alongside visual upgrades like carbon fiber and new wheels. Shortly afterwards G-POWER presented the first of a series of compressor systems, which was developed on the M-GmbH S54 3.0l sports engine. The Evo supercharger system for the BMW M3 E36 already enabled an increase in output from 210 kW (286 hp) to 294 kW (400 hp).

German auto tuning company G-Power is situated in Aichach, Bavaria. The business, which was established in 1983 by Jochen Grommisch, specializes in creating boutique vehicles and tuning BMW cars. Its 830 horsepower 5.0L V-10 supercharger 372 km/h was reached by the BMW M5 Hurricane RR (231 mph).