Last test of the season in preparation for Singapore (high downforce) compared to July's pre-Hungaroring (high downforce) prep test at Jerez and these are the single best lap times:


1. McLaren-Mercedes July 24, 25: 1:19.850 (de la Rosa), 1:18.385 (Kovalainen) ; .... Sept. 18: 1:19.281 (de la Rosa)


2. BMW-Sauber July 24, 25: 1:20.896 (Heidfeld), 1:19.915 (Heidfeld) ;... Sept. 18: 1:18.167 (Heidfeld)



3. Toro Rosso-Ferrari July 25: 1:18.746 (Bourdais) ; Sept 18: 1:19.574 (Sato)




4. Red Bull-Renault July 24, 25: 1:19.176 (Webber), 1:19.494 (Coulthard) ;... Sept 18: 1:19.878 (Vettel)


http://www.autosport.com/news/report.php/id/69451

http://www.autosport.com/news/report.php/id/70710


It goes to show you that these don't reveal a lot in terms of development comparisons in pace because of the different programs they're testing (varied fuel load, tyres, components being tested) even though some may have the same driver.