BMW, Porsche, Mercedes, and Audi build some of the most potent models available for mainstream consumers. Their big V8 engines make copious amounts of horsepower and torque, with the automakers claiming some big power figures. A new Carwow video puts their claims to the test by pulling the M5 Competition, E63 S, RS6, and Panamera Turbo S E-Hybrid onto the dyno and running the numbers to find out their actual power-to-weight ratios.
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E63 S, M5 Comp, RS6, Panamera Turbo S Power Figures Tested On Dyno
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