The BMW X4 is a compact luxury crossover SUV introduced in 2014, manufactured by the German automaker BMW at its United States factory in South Carolina. It was initially announced in 2013 as a concept car and was formally launched at the 2014 New York International Auto Show with sales starting in Spring 2014. The X4 shares powertrains with the X3, including a variety of four and six-cylinder engines in both petrol and diesel format. It is slightly larger than the X3 but smaller than the X5. It is a concept vehicle under the Sports Activity Coupe category, with full-LED headlights, coupe-style roofline, full-sized inner element replicates the signature BMW "L" shape in three-dimensional form. The concept was unveiled at Auto Shanghai 2013. The vehicle was unveiled in 2014 New York International Auto Show, followed by the 13th Beijing International Automotive Exhibition 2014, and the 22nd Auto Mobil International Leipzig 2014. The BMW X4 can go from 0-62 mph in 5.8 seconds and has a total top speed of 145 mph. The M Performance model M40i was announced in 2015. It was officially revealed at the Detroit Auto Show on 11 Jan, 2016. It will produce 355 horsepower and 343 lb-ft of torque from its turbo, 6-cylinder engine. It will be able to speed from 0–60 m.p.h. in 4.7 seconds. The car will appear in showrooms in February 2016 and pricing will be available then.