Subscribe to the channel now: http://smarturl.it/autocar Can Mercedes-Benz's 355bhp A45 AMG out-muscle the storming 321bhp BMW M235i on a tight handling track? Steve Sutcliffe is the man to find out. Autocar, the world's leading motoring magazine and website, delivers industry-leading news, the most in-depth car reviews and opinion from our team of experts. Our presenters include some of the world
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