BMW posts 617-hp X6 M details

BMW of Westchester used an X post on May 22 to spotlight the 2026 BMW X6 M and its published performance figures. The dealership’s caption highlighted a 617-horsepower M TwinPower Turbo V8 and paired that claim with photos of the vehicle, according to the post and the dealer’s own model page. The 617-hp figure matches specifications listed on BMW of Westchester’s X6 M research page and on third-party vehicle listings for the 2026 model. Edmunds lists the 2026 BMW X6 M Competition with a 4.4-liter V8 mild-hybrid powertrain rated at 617 horsepower and 553 lb-ft of torque. ### What exactly did the dealership post? (x.com) BMW of Westchester’s May 22 post identified the vehicle as the 2026 BMW X6 M and called out its M TwinPower Turbo V8 output at 617 horsepower. The post also included photos and model details, based on the referenced X entry in the dealership’s feed. BMW of Westchester separately describes the X6 M on its website as a “high-performance sports activity coupe” and repeats the same 617-horsepower figure. (westchesterbmw.com) The dealer page says the vehicle uses a 4.4-liter BMW M TwinPower Turbo V8 and can reach 60 mph in 3.7 seconds. ### Is 617 horsepower the official spec for the 2026 X6 M? (x.com) Edmunds lists the 2026 BMW X6 M Competition at 617 horsepower at 6,000 rpm and 553 lb-ft of torque starting at 1,800 rpm. The same listing says the vehicle uses a 4.4-liter V8 with mild-hybrid assistance. BMW of Westchester’s own model page uses the same headline numbers. (westchesterbmw.com) That page says the X6 M is equipped with an eight-speed sport automatic transmission and xDrive all-wheel drive. ### What other performance details are attached to that number? The 2026 X6 M Competition is listed by Edmunds with a manufacturer 0-60 mph time of 3.7 seconds. (edmunds.com) Edmunds also lists a curb weight of 5,454 pounds, 13 mpg city and 18 mpg highway, and a 21.9-gallon fuel tank. BMW of Westchester’s page gives a similar performance framing, saying the X6 M combines SUV utility with sports-car power. (westchesterbmw.com) The dealer page highlights the same 0-60 mph claim and notes xDrive all-wheel drive as standard. ### Is this about the X6 M or the X6 M Competition? Edmunds identifies the 2026 vehicle it lists as the X6 M Competition, not a separate non-Competition trim. (edmunds.com) The page shows a starting MSRP of $136,100 for that configuration. BMW of Westchester’s website uses “X6 M” in its research page branding, while inventory and broader market listings commonly refer to the same 2026 performance model as the X6 M Competition. (westchesterbmw.com) Based on those listings, the 617-hp figure is attached to the Competition-badged version being marketed for the 2026 model year. ### Where can readers verify the details now? (edmunds.com) BMW of Westchester’s May 22 X post remains the direct social-media source for the dealership’s claim about the 2026 X6 M. The dealer’s Westchester-area model page repeats the 617-horsepower, 553-lb-ft and 0-60 mph-in-3.7-seconds figures. Edmunds and other current vehicle research pages also list the 2026 BMW X6 M Competition with the same output. (westchesterbmw.com) As of May 23, those published listings provide the clearest public cross-check on the numbers highlighted in the dealership’s post. (edmunds.com) (x.com)