The new track surface at Silverstone has helped all 10 F1 teams lap quicker than they managed 12 months ago.
McLaren is again the most-improved team, lapping over two seconds quicker than they did in 2018.
While Williams are almost a second and a half quicker than they were a year ago, they remained over a second slower than the next car ahead of them.
The team suffered a disastrous British Grand Prix last year where problems with a new rear wing design caused both drivers to spin off during qualifying.
Browse all 2019 British Grand Prix articles.
