In this week's Autocar magazine: new McLaren P1; 17-page Porsche 911 celebration; VW's new 313mpg XL1; cheapest Dacia Sandero driven and first impressions of BMW's radical i3 and i8
In this week's Autocar magazine: new Porsche Cayman versus rivals; five new Bentleys unveiled; Land Rover's future tech; fastest-ever Mini road-tested and crucial McLaren P1 performance details uncovered