Home Current BMW X5 M Avalanche Is A Mobbed-Up SUV With 670 HorsepowerWorld NewsCurrentNewsBMW X5 M Avalanche Is A Mobbed-Up SUV With 670 HorsepowerJuly 23, 2018187FacebookTwitterPinterestWhatsApp Despite weighing nearly 2.4 tons, the amped-up X5 M offers supercars levels of performance.