Read the news story and John's blog as it happened.
Henry Catchpole sneaks around the pits here.
Porsche 911 GT3 RS (997.2) review – the best car we’ve ever driven? Possibly
This is the real Red Bull RB17 hypercar and we’ll hear its 15,000rpm V10 soon
Range Rover Sport SV review – A Defender OCTA in a suit