Pre-season testing in numbers - who went fastest, and furthest

On the basis of 12 days of pre-season testing, it is reigning champions Mercedes who enter the season on a high, having set the quickest times and completed the most laps. But who came closest to matching the Silver Arrows - and who might be struggling in Melbourne? We crunch the numbers for both the final test and the pre-season as a whole in order to shed some light on what the competitive order might look like when the season gets underway in less than two weeks' time...

This week's unofficial aggregate test times from Barcelona:
1. Nico Rosberg, Mercedes, 1m 22.792s, 254 laps
2. Lewis Hamilton, Mercedes, 1m 23.022s, 124 laps
3. Valtteri Bottas, Williams, 1m 23.063s, 179 laps
4. Felipe Massa, Williams, 1m 23.262, 205 laps
5. Kimi Raikkonen, Ferrari, 1m 23.276s, 216 laps
6. Sebastian Vettel, Ferrari, 1m 23.469s, 272 laps
7. Felipe Nasr, Sauber, 1m 24.023s, 300 laps
8. Carlos Sainz Jr, Toro Rosso, 1m 24.191s, 218 laps
9. Romain Grosjean, Lotus, 1m 24.200s, 191 laps
10. Marcus Ericsson, Sauber, 1m 24.276s, 245 laps
11. Max Verstappen, Toro Rosso, 1m 24.527s, 224 laps
12. Daniel Ricciardo, Red Bull, 1m 24.638s, 200 laps
13. Nico Hulkenberg, Force India, 1m 24.939s, 235 laps
14. Sergio Perez, Force India, 1m 25.113s, 130 laps
15. Kevin Magnussen, McLaren, 1m 25.225s, 39 laps
16. Jenson Button, McLaren, 1m 25.327s, 138 laps
17. Daniil Kvyat, Red Bull, 1m 25.947s, 159 laps
18. Pastor Maldonado, Lotus, 1m 26.705s, 176 laps

Total distance run - by team: 1. Sauber, 545 laps - 2,536 km
2. Ferrari, 488 laps - 2,271 km
3. Toro Rosso, 442 laps - 2,057 km
4. Williams, 384 laps - 1,787 km
5. Mercedes, 378 laps - 1,759 km
6. Lotus, 367 laps - 1,708 km
7. Force India, 365 laps - 1,699 km
8. Red Bull, 359 laps - 1,671 km
9. McLaren, 177 laps - 823 km

Total distance run - by power unit:
1. Mercedes, 1,494 laps - 6954 km
2. Ferrari, 1,033 laps - 4808 km
3. Renault, 801 laps - 3,728 km
4. Honda, 177 laps - 823 km

Longest stints - by tyre compound: Supersoft compound - 5 laps (Marcus Ericsson; Sergio Perez; Felipe Nasr; Nico Hulkenberg)
Soft compound - 15 laps (Felipe Massa; Nico Rosberg)
Medium compound - 26 laps (Marcus Ericsson)
Prototype medium compound* - 28 laps (Kimi Raikkonen)
Hard compound - 27 laps (Felipe Nasr)
Intermediate compound - 6 laps (Lewis Hamilton; Daniil Kvyat)
*Being assessed by Pirelli for development purposes

Third test comparison - Year on Year*
2014 (Bahrain) - 3,308 laps (17,901 km) completed in four days
2015 (Barcelona) - 3,505 laps (16,313 km) completed in four days
That's a 2.7 percent decrease

2014 fastest lap in qualifying at Barcelona - 1m 25.232s (Lewis Hamilton)
2015 fastest lap in testing at Barcelona - 1m 22.792s (Nico Rosberg)
That's 2.9 percent increase

*Bahrain hosted the third pre-season test in 2014

Overall mileage across the 12 days of pre-season testing - by driver:
1. Nico Rosberg, 759 laps - 3,463 km
2. Felipe Nasr, 649 laps - 2,976 km
3. Max Verstappen, 617 laps - 2,834 km
4. Sebastian Vettel, 602 laps - 2,768 km
5. Marcus Ericsson, 596 laps - 2,732 km
6. Carlos Sainz Jr, 589 laps - 2,700 km
7. Kimi Raikkonen, 580 laps - 2,655 km
8. Lewis Hamilton, 533 laps - 2,434 km
9. Felipe Massa, 492 laps - 2,258 km
10. Valtteri Bottas, 491 laps - 2,255 km
11. Daniel Ricciardo, 486 laps - 2,243 km
12. Pastor Maldonado, 486 laps - 2,231 km
13. Daniil Kvyat, 457 laps - 2,109 km
14. Romain Grosjean, 355 laps - 1,640 km
15. Sergio Perez, 285 laps - 1,327 km
16. Nico Hulkenberg, 271 laps - 1,262 km
17. Jenson Button, 224 laps - 1,033 km
18. Pascal Wehrlein, 161 laps - 749 km
19. Fernando Alonso, 117 laps - 536 km
20. Susie Wolff, 86 laps - 400 km
21. Jolyon Palmer, 77 laps - 358 km
22. Kevin Magnussen, 39 laps - 182 km

Overall mileage across the 12 days of pre-season testing - by team:
1. Mercedes, 1,340 laps - 6,121 km
2. Sauber, 1,245 laps - 5,709 km
3. Toro Rosso, 1,206 laps - 5,534 km
4. Ferrari, 1,182 laps - 5,423 km
5. Williams, 1,069 laps - 4,913 km
6. Red Bull, 943 laps - 4,352 km
7. Lotus, 918 laps - 4,230 km
8. Force India, 669 laps - 3,114 km
9. McLaren, 380 laps - 1,751 km

Overall mileage across the 12 days of pre-season testing - by power unit:
1. Mercedes, 3,996 laps - 18,378 km
2. Ferrari, 2,427 laps - 11,132 km
3. Renault, 2,149 laps - 9,886 km
4. Honda, 380 laps - 1,751 km