US pricing information for the upcoming 2010 X5 M and X6 M has leaked to the web ahead of an official announcement by BMW.

US pricing information for the upcoming 2010 X5 M and X6 M has leaked to the web ahead of an official announcement by BMW. According to the leaked document, the X5 M will start at $85,400 while X6 M will cost $88,900. While they are certainly expensive, both models manage to undercut key rivals such as the $90,100 Mercedes ML63 AMG and the $124,800 Porsche Cayenne Turbo S.

Both of BMW's new M models come equipped with a twin-turbo 4.4-liter V8 engine which cranks out 555 hp (408kW) and 500 lb-ft (678Nm) of torque. Mated to a specially developed M Sports transmission - which offers Sport, M Manual, and full automatic modes - the new X M's are capable of running from 0-60 mph in just 4.5 seconds before hitting a limited top speed of 155 mph. This is even more impressive when you consider the aforementioned ML63 AMG only produces 503 hp and 465 lb-ft of torque while the Cayenne fairs slightly better with 550 hp and 553 lb-ft of torque.

Among the other items included on the new BMWs are an M tuned sports suspension, aggressive new bumpers, massive 20-inch wheels, and a high-performance braking system with 15.6-inch front and 15.2-inch rear brake rotors. Interior accommodations also receive a special sporting twist with the addition of front sports seats, Merino leather upholstery, a sports steering wheel, and plenty of M badging.

While the leaked information doesn't provide a thorough breakdown of the available packages and optional extras, it does seem to suggest that dealers will begin taking orders for the new M models late next month.

 

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